Monitoring Metrics

# Prometheus Monitoring

After Prometheus monitoring is enabled, access /aas-console/metrics to view the Prometheus monitoring metrics. Minor differences may exist across different JDK versions.

Item	Value
Total metrics	110
Type	All of Gauge type
Data format	Prometheus Text Format
Example data source	127.0.0.1

# JVM Buffer Pools

Contains 3 metrics, all of Gauge type.

Metric	Description	Labels (with example values)	Example Value	Unit
`jvm_buffer_pool_used_bytes`	Bytes used by JVM buffer pool	`host`="127.0.0.1", `jvm_buffer_pool`="direct"	1001345.0	Bytes
`jvm_buffer_pool_capacity_bytes`	Total capacity of JVM buffer pool (bytes)	`host`="127.0.0.1", `jvm_buffer_pool`="direct"	1001345.0	Bytes
`jvm_buffer_pool_used_buffers`	Number of buffers used in JVM buffer pool	`host`="127.0.0.1", `jvm_buffer_pool`="direct"	29.0	—

# JVM Class Loading

Contains 3 metrics, all of Gauge type.

Metric	Description	Labels (with example values)	Example Value	Unit
`jvm_classes_total_loaded`	Total number of classes loaded since JVM startup	`host`="127.0.0.1"	15204.0	count
`jvm_classes_loaded`	Number of classes currently loaded in JVM	`host`="127.0.0.1"	15204.0	count
`jvm_classes_unloaded`	Total number of classes unloaded in JVM	`host`="127.0.0.1"	0.0	count

# JVM Threads

Contains 4 metrics, all of Gauge type.

Metric	Description	Labels (with example values)	Example Value	Unit
`jvm_threads_current`	Current number of active threads in JVM	`host`="127.0.0.1"	80.0	—
`jvm_threads_daemon`	Current number of daemon threads in JVM	`host`="127.0.0.1"	73.0	—
`jvm_threads_peak`	Historical peak number of threads in JVM	`host`="127.0.0.1"	80.0	—
`jvm_threads_total_started`	Total number of threads started in JVM	`host`="127.0.0.1"	83.0	—

# JVM GC

Contains 4 metrics, all of Gauge type.

Metric	Description	Labels (with example values)	Example Value	Unit
`jvm_gc_collection_number`	Total number of JVM garbage collections	`gc_type`="PS Scavenge", `host`="127.0.0.1"	10.0	—
`jvm_gc_collection_time_seconds`	Cumulative time spent in JVM garbage collection (seconds)	`gc_type`="PS Scavenge", `host`="127.0.0.1"	0.334	seconds
`full_gc_mount`	Number of Full GCs in the last minute	`time`="60s", `host`="127.0.0.1"	0.0	—
`longest_full_gc`	Longest Full GC duration in the last minute (seconds)	`time`="60s", `host`="127.0.0.1"	0.0	—

# JVM Memory

Contains 5 metrics, all of Gauge type.

Metric	Description	Labels (with example values)	Example Value	Unit
`jvm_memory_bytes_used`	Bytes used in JVM memory area	`area`="heap", `host`="127.0.0.1"	7.27379392E8	Bytes
`jvm_memory_bytes_committed`	Bytes committed in JVM memory area	`area`="heap", `host`="127.0.0.1"	2.197815296E9	Bytes
`jvm_memory_bytes_max`	Maximum available bytes in JVM memory area	`area`="heap", `host`="127.0.0.1"	3.817865216E9	Bytes
`jvm_memory_bytes_init`	Initial bytes of JVM memory area	`area`="heap", `host`="127.0.0.1"	1.073741824E9	Bytes
`jvm_memory_bytes_usage`	JVM memory usage ratio (used/max)	`area`="heap", `host`="127.0.0.1"	0.19051992431573572	%

# JVM Memory Pools

Contains 4 metrics, all of Gauge type.

Metric	Description	Labels (with example values)	Example Value	Unit
`jvm_memory_pool_bytes_used`	Bytes used in JVM memory pool	`jvm_memory_pool`="Metaspace", `host`="127.0.0.1"	8.8256296E7	Bytes
`jvm_memory_pool_bytes_committed`	Bytes committed in JVM memory pool	`jvm_memory_pool`="Metaspace", `host`="127.0.0.1"	9.2798976E7	Bytes
`jvm_memory_pool_bytes_max`	Maximum available bytes in JVM memory pool	`jvm_memory_pool`="Metaspace", `host`="127.0.0.1"	-1.0	Bytes
`jvm_memory_pool_bytes_init`	Initial bytes of JVM memory pool	`jvm_memory_pool`="Metaspace", `host`="127.0.0.1"	0.0	Bytes

# JVM Compiler

Contains 4 metrics, all of Gauge type.

Metric	Description	Labels (with example values)	Example Value	Unit
`jvm_compiler_name`	JVM compiler name	`name`="HotSpot 64-Bit Tiered Compilers"	0.0	—
`jvm_compile_time`	Maximum increment of JIT compilation time	`host`="127.0.0.1"	0.0	seconds
`jvm_total_cpu_time`	Cumulative CPU time used by JVM	`host`="127.0.0.1"	114625.0	—
`jvm_compile_cpu_usage`	Maximum JIT compilation CPU usage (%)	`host`="127.0.0.1"	0.0	%

# JVM Runtime Information

Contains 1 metrics, all of Gauge type.

Metric	Description	Labels (with example values)	Example Value	Unit
`jvm_info`	JVM runtime information	`version`="1.8", `vendor`="Oracle Corporation", `class_path`="C:\\apusic\\AAS\\bin\\bootstrap.jar;C:\\apusic\\AAS\\bin\\aas-juli.jar", `library_path`="D:\\tools\\jdk8u312-b07\\bin;C:\\WINDOWS\\Sun\\Java\\bin;C:\\WINDOWS\\system32;C:\\WINDOWS;D:\\tools\\jdk8u312-b07\\bin;D:\\tools\\jdk8u312-b07\\bin;D:\\tools\\Git\\bin;D:\\tools\\jdk-21.0.3+9\\bin;D:\\java_software\\apache-ant-1.10.5\\bin;C:\\WINDOWS\\system32;C:\\WINDOWS;C:\\WINDOWS\\System32\\Wbem;C:\\WINDOWS\\System32\\WindowsPowerShell\\v1.0\\;D:\\java_software\\maven\\apache-maven-3.6.0\\bin;C:\\Program Files\\TortoiseSVN\\bin;C:\\Program Files\\MySQL\\MySQL Server 5.5\\bin;C:\\Program Files (x86)\\Microsoft SQL Server\\80\\Tools\\Binn\\;C:\\Program Files\\Microsoft SQL Server\\90\\Tools\\binn\\;C:\\Program Files (x86)\\Microsoft SQL Server\\90\\Tools\\binn\\;D:\\tools\\putty\\;D:\\tools\\Git\\cmd;C:\\WINDOWS\\System32\\OpenSSH\\;D:\\tools\\nodejs\\;D:\\tools\\python\\Scripts\\;D:\\tools\\python\\;C:\\Users\\test\\AppData\\Local\\Programs\\Python\\Launcher\\;C:\\Program Files (x86)\\Nmap;C:\\Users\\test\\AppData\\Local\\Pandoc\\;C:\\Users\\test\\AppData\\Local\\Microsoft\\WindowsApps;C:\\Users\\test\\AppData\\Roaming\\npm;."	1.0	—

# Process and System Resources

Contains 11 metrics, all of Gauge type.

Metric	Description	Labels (with example values)	Example Value	Unit
`system_cpu_load`	System CPU usage (%)	`host`="127.0.0.1"	11.01702326967513	%
`process_cpu_load`	Process CPU usage (%)	`host`="127.0.0.1"	0.8264974947206318	%
`committed_virtual_memory_size_bytes`	Committed virtual memory in bytes	`host`="127.0.0.1"	2.677968896E9	Bytes
`physical_memory_total_size_bytes`	Total physical memory in bytes	`host`="127.0.0.1"	3.4359201792E10	Bytes
`free_physical_memory_size_bytes`	Free physical memory in bytes	`host`="127.0.0.1"	1.3653409792E10	Bytes
`swap_space_total_size_bytes`	Total swap space in bytes	`host`="127.0.0.1"	4.2949136384E10	Bytes
`free_swap_space_size_bytes`	Free swap space in bytes	`host`="127.0.0.1"	1.2342001664E10	Bytes
`system_cpu_core_num`	Number of CPU cores	`host`="127.0.0.1"	16.0	—
`system_open_file_descriptor_count`	Number of open file descriptors	`host`="127.0.0.1"	0.0	count
`system_start_runtime_seconds`	System start time (millisecond timestamp)	`host`="127.0.0.1"	1.787215459261E12	seconds
`process_start_time_seconds`	Process start time (seconds since Unix epoch)	—		seconds

# HTTP Thread Pool

Contains 19 metrics, all of Gauge type.

Metric	Description	Labels (with example values)	Example Value	Unit
`thread_pool_max_queue_size`	Maximum queue capacity; -1 means unlimited	`host`="127.0.0.1", `service_name`="admin-service", `thread_pool_name`="admin-thread-pool"	5000.0	—
`thread_pool_queue_size`	Used queue capacity	`host`="127.0.0.1", `service_name`="admin-service", `thread_pool_name`="admin-thread-pool"	0.0	—
`thread_pool_idle_thread_timeout_seconds`	Maximum time (milliseconds) a thread can remain idle in the pool before being removed	`host`="127.0.0.1", `service_name`="admin-service", `thread_pool_name`="admin-thread-pool"	60000.0	milliseconds
`thread_pool_min_thread_pool_size`	Minimum number of threads in the thread pool	`host`="127.0.0.1", `service_name`="admin-service", `thread_pool_name`="admin-thread-pool"	25.0	—
`thread_pool_max_thread_pool_size`	Maximum number of threads in the thread pool	`host`="127.0.0.1", `service_name`="admin-service", `thread_pool_name`="admin-thread-pool"	100.0	—
`thread_pool_active_count`	Current number of active threads	`host`="127.0.0.1", `service_name`="admin-service", `thread_pool_name`="admin-thread-pool"	1.0	count
`thread_pool_blocked_count`	Current number of blocked threads	`host`="127.0.0.1", `service_name`="admin-service", `thread_pool_name`="admin-thread-pool"	0.0	count
`thread_pool_pool_size`	Current total number of threads in the thread pool	`host`="127.0.0.1", `service_name`="admin-service", `thread_pool_name`="admin-thread-pool"	25.0	—
`thread_pool_pool_usage`	Thread pool usage (active threads/max threads)	`host`="127.0.0.1", `service_name`="admin-service", `thread_pool_name`="admin-thread-pool"	0.01	%
`thread_pool_step_reclaim`	Whether stepped thread reclamation is enabled (0: disabled, 1: enabled)	`host`="127.0.0.1", `service_name`="admin-service", `thread_pool_name`="admin-thread-pool"	0.0	—
`thread_pool_step_time`	Time interval of stepped thread reclamation	`host`="127.0.0.1", `service_name`="admin-service", `thread_pool_name`="admin-thread-pool"	10000.0	—
`thread_pool_step_size`	Number of threads reclaimed per step in stepped thread reclamation	`host`="127.0.0.1", `service_name`="admin-service", `thread_pool_name`="admin-thread-pool"	20.0	—
`thread_pool_connection_count`	Number of HTTP connections	`host`="127.0.0.1", `service_name`="admin-service", `http_connection_pool`="\"https-jsse-nio-6848\"	2.0	count
`thread_pool_connection_max_connections`	Maximum number of HTTP connections	`host`="127.0.0.1", `service_name`="admin-service", `http_connection_pool`="\"https-jsse-nio-6848\"	10000.0	—
`thread_pool_connection_usage`	HTTP connection usage	`host`="127.0.0.1", `service_name`="admin-service", `http_connection_pool`="\"https-jsse-nio-6848\"	2.0E-4	%
`thread_pool_connection_keepalive_count`	Number of keep-alive HTTP connections	`host`="127.0.0.1", `service_name`="admin-service", `http_connection_pool`="\"https-jsse-nio-6848\"	1.0	count
`thread_pool_connection_max_keepalive_requests`	Maximum number of keep-alive HTTP requests	`host`="127.0.0.1", `service_name`="admin-service", `http_connection_pool`="\"https-jsse-nio-6848\"	100.0	—
`thread_pool_connection_current_thread_count`	Current number of threads	`host`="127.0.0.1", `service_name`="admin-service", `http_connection_pool`="\"https-jsse-nio-6848\"	25.0	count
`thread_pool_connection_current_thread_busy`	Current number of threads processing requests	`host`="127.0.0.1", `service_name`="admin-service", `http_connection_pool`="\"https-jsse-nio-6848\"	1.0	—

# JDBC Connection Pool

Contains 16 metrics, all of Gauge type.

Metric	Description	Labels (with example values)	Example Value	Unit
`jdbc_resource_connection_leak_timeout_in_seconds`	Connection leak timeout; -1 means no connection leak detection	`jdbc_pool`="test", `host`="127.0.0.1"	60000.0	seconds
`jdbc_resource_idle_timeout_in_seconds`	Idle timeout; the maximum time a connection can remain idle in the pool. -1 means idle connections are not validated	`jdbc_pool`="test", `host`="127.0.0.1"	60000.0	seconds
`jdbc_resource_max_pool_size`	Maximum pool size	`jdbc_pool`="test", `host`="127.0.0.1"	20.0	—
`jdbc_resource_max_idle_size`	Maximum number of idle connections in the pool	`jdbc_pool`="test", `host`="127.0.0.1"	10.0	—
`jdbc_resource_max_wait_time_in_millis`	Maximum wait time, in milliseconds	`jdbc_pool`="test", `host`="127.0.0.1"	15000.0	—
`jdbc_resource_steady_pool_size`	Initial and minimum pool size	`jdbc_pool`="test", `host`="127.0.0.1"	10.0	—
`jdbc_resource_min_idle_size`	Minimum number of idle connections in the pool	`jdbc_pool`="test", `host`="127.0.0.1"	4.0	—
`jdbc_resource_validate_atmost_once_period_in_seconds`	Connection validation interval; specifies the time interval (seconds) between consecutive connection validations (at most once). Default value is -1, meaning this property is not enabled	`jdbc_pool`="test", `host`="127.0.0.1"	3.0	seconds
`jdbc_resource_num_conn_free`	Number of available connections	`jdbc_pool`="test", `host`="127.0.0.1"	20.0	—
`jdbc_resource_num_conn_active`	Number of active connections	`jdbc_pool`="test", `host`="127.0.0.1"	0.0	—
`jdbc_resource_num_conn_free_usage`	Connection availability ratio	`jdbc_pool`="test", `host`="127.0.0.1"	1.0	%
`jdbc_resource_num_conn_usage`	Connection usage ratio	`jdbc_pool`="test", `host`="127.0.0.1"	0.0	%
`jdbc_resource_num_conn_total`	Current number of connections	`jdbc_pool`="test", `host`="127.0.0.1"	4.0	—
`jdbc_resource_num_conn_detect`	Number of detection connections	`jdbc_pool`="test", `host`="127.0.0.1"	0.0	—
`jdbc_resource_num_conn_wait`	Number of waiting connections	`jdbc_pool`="test", `host`="127.0.0.1"	0.0	—
`jdbc_resource_num_conn_suspend_leak`	Number of suspected leaks	`jdbc_pool`="test", `host`="127.0.0.1"	0.0	—

# Web Service - Servlet

Contains 8 metrics, all of Gauge type.

Metric	Description	Labels (with example values)	Example Value	Unit
`web_service_servlet_available`	Date and time when the Servlet is available (milliseconds); 0 means available, Long.MAX_VALUE means permanently unavailable	`host`="127.0.0.1", `service_name`="admin-service", `virtual_host_name`="admin", `context_path`="aas-console"	0.0	—
`web_service_servlet_class_load_time`	Time spent loading the class (ms)	`host`="127.0.0.1", `service_name`="admin-service", `virtual_host_name`="admin", `context_path`="aas-console"	3.0	ms
`web_service_servlet_error_count`	Error count (cumulative number of response codes ≥400)	`host`="127.0.0.1", `service_name`="admin-service", `virtual_host_name`="admin", `context_path`="aas-console"	0.0	count
`web_service_servlet_load_time`	Time spent loading and initializing the Servlet (ms)	`host`="127.0.0.1", `service_name`="admin-service", `virtual_host_name`="admin", `context_path`="aas-console"	4.0	ms
`web_service_servlet_max_time`	Longest request response time (ms)	`host`="127.0.0.1", `service_name`="admin-service", `virtual_host_name`="admin", `context_path`="aas-console"	0.0	—
`web_service_servlet_min_time`	Shortest request response time (ms)	`host`="127.0.0.1", `service_name`="admin-service", `virtual_host_name`="admin", `context_path`="aas-console"	0.0	—
`web_service_servlet_processing_time`	Cumulative Servlet processing time (ms)	`host`="127.0.0.1", `service_name`="admin-service", `virtual_host_name`="admin", `context_path`="aas-console"	0.0	—
`web_service_servlet_request_time`	Cumulative number of requests processed so far	`host`="127.0.0.1", `service_name`="admin-service", `virtual_host_name`="admin", `context_path`="aas-console"	0.0	—

# Web Service - Requests

Contains 14 metrics, all of Gauge type.

Metric	Description	Labels (with example values)	Example Value	Unit
`slow_requests_in_the_last_ten_minutes`	Number of slow requests in the last ten minutes	`processor`="http-nio-6888"	0.0	—
`long_request_count`	Slow request (long thread) statistics	`processor`="http-nio-6888"	0.0	count
`request_count`	Request count statistics	`processor`="http-nio-6888"	0.0	count
`error_count`	Request error statistics	`processor`="http-nio-6888"	0.0	count
`max_time`	Longest request processing time statistics	`processor`="http-nio-6888"	0.0	—
`slow_query_count`	Slow SQL request statistics	—		count
`web_service_request_count`	Cumulative number of requests processed so far	`host`="127.0.0.1", `service_name`="ams-service", `endpoint_name`="http-nio-6888"	0.0	count
`web_service_request_error_count`	Cumulative error count (response codes ≥400)	`host`="127.0.0.1", `service_name`="ams-service", `endpoint_name`="http-nio-6888"	0.0	count
`web_service_processing_time`	Cumulative request processing time (milliseconds)	`host`="127.0.0.1", `service_name`="ams-service", `endpoint_name`="http-nio-6888"	0.0	—
`web_service_request_max_time`	Longest request response time (milliseconds)	`host`="127.0.0.1", `service_name`="ams-service", `endpoint_name`="http-nio-6888"	0.0	—
`web_service_request_long_request_count`	Current number of slow requests	`host`="127.0.0.1", `service_name`="ams-service", `endpoint_name`="http-nio-6888"	0.0	count
`web_service_request_long_request_total_count`	Total number of slow requests historically occurred	`host`="127.0.0.1", `service_name`="ams-service", `endpoint_name`="http-nio-6888"	0.0	count
`web_service_request_byte_send`	Number of bytes sent in requests	`host`="127.0.0.1", `service_name`="ams-service", `endpoint_name`="http-nio-6888"	0.0	—
`web_service_request_byte_received`	Number of bytes received in requests	`host`="127.0.0.1", `service_name`="ams-service", `endpoint_name`="http-nio-6888"	0.0	—

# Web Service - Session

Contains 9 metrics, all of Gauge type.

Metric	Description	Labels (with example values)	Unit
`web_service_session_active`	Current number of active Sessions	`host`="127.0.0.1", `service_name`="admin-service", `virtual_host_name`="admin", `context_path`="aas-console"	—
`web_service_session_expired_total`	Total number of expired Sessions	`host`="127.0.0.1", `service_name`="admin-service", `virtual_host_name`="admin", `context_path`="aas-console"	—
`web_service_session_rejected_total`	Total number of Sessions rejected from creation	`host`="127.0.0.1", `service_name`="admin-service", `virtual_host_name`="admin", `context_path`="aas-console"	—
`web_service_session_passivated_sessions`	Total number of passivated Sessions	`host`="127.0.0.1", `service_name`="admin-service", `virtual_host_name`="admin", `context_path`="aas-console"	—
`web_service_session_create_rate`	Session creation rate (sessions/second)	`host`="127.0.0.1", `service_name`="admin-service", `virtual_host_name`="admin", `context_path`="aas-console"	—
`web_service_session_expire_rate`	Session expiration rate (sessions/second)	`host`="127.0.0.1", `service_name`="admin-service", `virtual_host_name`="admin", `context_path`="aas-console"	—
`web_service_session_max_active`	Historical maximum number of active Sessions	`host`="127.0.0.1", `service_name`="admin-service", `virtual_host_name`="admin", `context_path`="aas-console"	—
`web_service_session_processing_time`	Session processing time (milliseconds)	`host`="127.0.0.1", `service_name`="admin-service", `virtual_host_name`="admin", `context_path`="aas-console"	—
`web_service_session_session_counter`	Cumulative number of Sessions so far	`host`="127.0.0.1", `service_name`="admin-service", `virtual_host_name`="admin", `context_path`="aas-console"	count

# Web Service - JSP

Contains 4 metrics, all of Gauge type.

Metric	Description	Labels (with example values)	Example Value	Unit
`web_service_jsp_count`	Total number of loaded JSP pages	`host`="127.0.0.1", `virtual_host_name`="admin", `context_path`="aas-console"	0.0	count
`web_service_jsp_queue_length`	JSP compilation queue length	`host`="127.0.0.1", `virtual_host_name`="admin", `context_path`="aas-console"	-1.0	—
`web_service_jsp_reload_count`	Total number of reloaded JSP pages	`host`="127.0.0.1", `virtual_host_name`="admin", `context_path`="aas-console"	0.0	count
`web_service_jsp_unload_count`	Total number of unloaded JSP pages	`host`="127.0.0.1", `virtual_host_name`="admin", `context_path`="aas-console"	0.0	count

# Slow SQL Count

Contains 1 metric, all of Gauge type.

Metric	Description	Labels (with example values)	Example Value	Unit
`slow_query_count`	Slow SQL request statistics	`host`="127.0.0.1", `jdbc_pool_name`="test"	0.0	—

# Exporter Status

Contains 2 metrics, all of Gauge type.

Metric	Description	Labels (with example values)	Example Value	Unit
`exporter_running_status`	Exporter running status (1: running, 0: stopped)	`host`="127.0.0.1"	1.0	—
`jmx_connection_status`	JMX connection status (1: connected, 0: connection refused)	`host`="127.0.0.1"	1.0	—

# RESTful Monitoring

The RESTful monitoring interface retrieves monitoring data via https://127.0.0.1:6848/ + the access URLs listed below, and returns a unified JSON structure: timestamp (collection timestamp), category (category), collectors (collectors), rows (data rows, each row contains a set of metrics and labels).

# JVM GC

URL: aas-console/metrics/data/gc

Sample response (first 2 rows):

{
  "timestamp": 1787556235,
  "category": "gc",
  "collectors": [
    "gc"
  ],
  "rows": [
    {
      "gc_type": "PS MarkSweep",
      "host": "127.0.0.1",
      "jvm_gc_collection_number": 4.0,
      "jvm_gc_collection_time_seconds": 0.483
    },
    {
      "gc_type": "PS Scavenge",
      "host": "127.0.0.1",
      "jvm_gc_collection_number": 21.0,
      "jvm_gc_collection_time_seconds": 0.988
    }
  ]
}

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Metric description:

Metric	Description	Example Value	Unit
`gc_type`	GC type	`PS MarkSweep`	`—`
`host`	Current host IP	`127.0.0.1`	`—`
`time`	Occurrence time	`60s`	`—`
`full_gc_mount`	Number of Full GCs in the last minute	`0.0`	`—`
`jvm_gc_collection_number`	Total number of JVM garbage collections	`4.0`	`—`
`jvm_gc_collection_time_seconds`	Cumulative JVM garbage collection time (seconds)	`0.483`	`seconds`
`longest_full_gc`	Longest Full GC time in the last minute (seconds)	`0.0`	`seconds`

# JVM Buffer Pools

URL: aas-console/metrics/data/memory/buffer-pool

Sample response (first 2 rows):

{
  "timestamp": 1787556235,
  "category": "memory",
  "collectors": [
    "buffer-pool"
  ],
  "rows": [
    {
      "host": "127.0.0.1",
      "jvm_buffer_pool": "direct",
      "jvm_buffer_pool_capacity_bytes": 1001345.0,
      "jvm_buffer_pool_used_buffers": 29.0,
      "jvm_buffer_pool_used_bytes": 1001345.0
    },
    {
      "host": "127.0.0.1",
      "jvm_buffer_pool": "mapped",
      "jvm_buffer_pool_capacity_bytes": 0.0,
      "jvm_buffer_pool_used_buffers": 0.0,
      "jvm_buffer_pool_used_bytes": 0.0
    }
  ]
}

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Metric description:

Metric	Description	Example Value	Unit
`host`	Current host IP	`127.0.0.1`	`—`
`jvm_buffer_pool`	Memory pool name	`direct`	`—`
`jvm_buffer_pool_capacity_bytes`	Total capacity of the JVM buffer pool (bytes)	`1001345.0`	`Bytes`
`jvm_buffer_pool_used_buffers`	Number of used buffers in the JVM buffer pool	`29.0`	`—`
`jvm_buffer_pool_used_bytes`	Number of used bytes in the JVM buffer pool	`1001345.0`	`Bytes`

# JVM Class Loading

URL: aas-console/metrics/data/jvm/classloading

Sample response (first 1 row):

{
  "timestamp": 1787556235,
  "category": "jvm",
  "collectors": [
    "classloading"
  ],
  "rows": [
    {
      "host": "127.0.0.1",
      "jvm_classes_loaded": 15204.0,
      "jvm_classes_total_loaded": 15204.0,
      "jvm_classes_unloaded": 0.0
    }
  ]
}

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Metric description:

Metric	Description	Example Value	Unit
`host`	Current host IP	`127.0.0.1`	`—`
`jvm_classes_loaded`	Number of classes currently loaded by the JVM	`15204.0`	`—`
`jvm_classes_total_loaded`	Total number of classes loaded since JVM startup	`15204.0`	`—`
`jvm_classes_unloaded`	Number of classes unloaded by the JVM	`0.0`	`—`

# JVM Threads

URL: aas-console/metrics/data/thread/threads

Sample response (first 1 row):

{
  "timestamp": 1787556235,
  "category": "thread",
  "collectors": [
    "threads"
  ],
  "rows": [
    {
      "host": "127.0.0.1",
      "jvm_threads_current": 80.0,
      "jvm_threads_daemon": 73.0,
      "jvm_threads_peak": 80.0,
      "jvm_threads_total_started": 83.0
    }
  ]
}

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Metric description:

Metric	Description	Example Value	Unit
`host`	Current host IP	`127.0.0.1`	`—`
`jvm_threads_current`	Number of currently active JVM threads	`80.0`	`—`
`jvm_threads_daemon`	Number of current JVM daemon threads	`73.0`	`—`
`jvm_threads_peak`	Historical peak number of JVM threads	`80.0`	`—`
`jvm_threads_total_started`	Total number of JVM threads started	`83.0`	`—`

# JVM Memory

URL: aas-console/metrics/data/memory/memory

Sample response (first 2 rows):

{
  "timestamp": 1787556235,
  "category": "memory",
  "collectors": [
    "memory"
  ],
  "rows": [
    {
      "area": "heap",
      "host": "127.0.0.1",
      "jvm_memory_bytes_committed": 2197815296.0,
      "jvm_memory_bytes_init": 1073741824.0,
      "jvm_memory_bytes_max": 3817865216.0,
      "jvm_memory_bytes_usage": 0.19051992431573572,
      "jvm_memory_bytes_used": 727379392.0
    },
    {
      "area": "nonheap",
      "host": "127.0.0.1",
      "jvm_memory_bytes_committed": 146604032.0,
      "jvm_memory_bytes_init": 2555904.0,
      "jvm_memory_bytes_max": -1.0,
      "jvm_memory_bytes_usage": 0.0,
      "jvm_memory_bytes_used": 140169920.0
    }
  ]
}

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Metric description:

Metric	Description	Example Value	Unit
`area`	Memory area	`heap`	`—`
`host`	Current host IP	`127.0.0.1`	`—`
`jvm_memory_bytes_committed`	Committed bytes of the JVM memory area	`2197815296.0`	`Bytes`
`jvm_memory_bytes_init`	Initial bytes of the JVM memory area	`1073741824.0`	`Bytes`
`jvm_memory_bytes_max`	Maximum available bytes of the JVM memory area	`3817865216.0`	`Bytes`
`jvm_memory_bytes_usage`	JVM memory usage (used/max)	`0.19051992431573572`	`—`
`jvm_memory_bytes_used`	Used bytes of the JVM memory area	`727379392.0`	`Bytes`

# JVM Memory Pools

URL: aas-console/metrics/data/memory/memory-pool

Sample response (first 2 rows):

{
  "timestamp": 1787556235,
  "category": "memory",
  "collectors": [
    "memory-pool"
  ],
  "rows": [
    {
      "host": "127.0.0.1",
      "jvm_memory_pool": "Metaspace",
      "jvm_memory_pool_bytes_committed": 92798976.0,
      "jvm_memory_pool_bytes_init": 0.0,
      "jvm_memory_pool_bytes_max": -1.0,
      "jvm_memory_pool_bytes_used": 88256296.0
    },
    {
      "host": "127.0.0.1",
      "jvm_memory_pool": "PS Old Gen",
      "jvm_memory_pool_bytes_committed": 835190784.0,
      "jvm_memory_pool_bytes_init": 716177408.0,
      "jvm_memory_pool_bytes_max": 2863661056.0,
      "jvm_memory_pool_bytes_used": 37628688.0
    }
  ]
}

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Metric description:

Metric	Description	Example Value	Unit
`host`	Current host IP	`127.0.0.1`	`—`
`jvm_memory_pool`	Memory pool name	`Metaspace`	`—`
`jvm_memory_pool_bytes_committed`	Committed bytes of the JVM memory pool	`92798976.0`	`Bytes`
`jvm_memory_pool_bytes_init`	Initial bytes of the JVM memory pool	`0.0`	`Bytes`
`jvm_memory_pool_bytes_max`	Maximum available bytes of the JVM memory pool	`-1.0`	`Bytes`
`jvm_memory_pool_bytes_used`	Used bytes of the JVM memory pool	`88256296.0`	`Bytes`

# JVM Runtime Information

URL: aas-console/metrics/data/jvm/run-time

Sample response (first 1 row):

{
  "timestamp": 1787556235,
  "category": "jvm",
  "collectors": [
    "run-time"
  ],
  "rows": [
    {
      "class_path": "C:\\apusic\\AAS\\bin\\bootstrap.jar;C:\\apusic\\AAS\\bin\\aas-juli.jar",
      "jvm_info": 1.0,
      "library_path": "D:\\tools\\jdk8u312-b07\\bin;C:\\WINDOWS\\Sun\\Java\\bin;C:\\WINDOWS\\system32;C:\\WINDOWS;D:\\tools\\jdk8u312-b07\\bin;D:\\tools\\jdk8u312-b07\\bin;D:\\tools\\Git\\bin;D:\\tools\\jdk-21.0.3+9\\bin;D:\\java_software\\apache-ant-1.10.5\\bin;C:\\WINDOWS\\system32;C:\\WINDOWS;C:\\WINDOWS\\System32\\Wbem;C:\\WINDOWS\\System32\\WindowsPowerShell\\v1.0\\;D:\\java_software\\maven\\apache-maven-3.6.0\\bin;C:\\Program Files\\TortoiseSVN\\bin;C:\\Program Files\\MySQL\\MySQL Server 5.5\\bin;C:\\Program Files (x86)\\Microsoft SQL Server\\80\\Tools\\Binn\\;C:\\Program Files\\Microsoft SQL Server\\90\\Tools\\binn\\;C:\\Program Files (x86)\\Microsoft SQL Server\\90\\Tools\\binn\\;D:\\tools\\putty\\;D:\\tools\\Git\\cmd;C:\\WINDOWS\\System32\\OpenSSH\\;D:\\tools\\nodejs\\;D:\\tools\\python\\Scripts\\;D:\\tools\\python\\;C:\\Users\\test\\AppData\\Local\\Programs\\Python\\Launcher\\;C:\\Program Files (x86)\\Nmap;C:\\Users\\test\\AppData\\Local\\Pandoc\\;C:\\Users\\test\\AppData\\Local\\Microsoft\\WindowsApps;C:\\Users\\test\\AppData\\Roaming\\npm;.",
      "vendor": "Oracle Corporation",
      "version": "1.8"
    }
  ]
}

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Metric description:

Metric	Description	Example Value	Unit
`class_path`	Class path	`C:\\apusic\\AAS\\bin\\bootstrap.jar;C:\\apusic\\AAS\\bin\\aas-juli.jar`	`—`
`jvm_info`	JVM runtime information	`1.0`	`—`
`library_path`	JVM native library path	`D:\\tools\\jdk8u312-b07\\bin;...`	`—`
`vendor`	JVM vendor	`Oracle Corporation`	`—`
`version`	JVM version	`1.8`	`—`

# Process and System Resources

URL: aas-console/metrics/data/os

Sample response (first 1 row):

{
  "timestamp": 1787556235,
  "category": "os",
  "collectors": [
    "operating-system"
  ],
  "rows": [
    {
      "committed_virtual_memory_size_bytes": 2677968896.0,
      "free_physical_memory_size_bytes": 13653409792.0,
      "free_swap_space_size_bytes": 12342001664.0,
      "host": "127.0.0.1",
      "physical_memory_total_size_bytes": 34359201792.0,
      "process_cpu_load": 0.8264974947206318,
      "process_start_time_seconds": 1787215459.261,
      "swap_space_total_size_bytes": 42949136384.0,
      "system_cpu_core_num": 16.0,
      "system_cpu_load": 11.01702326967513,
      "system_open_file_descriptor_count": 0.0,
      "system_start_runtime_seconds": 1787215459261.0
    }
  ]
}

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Metric description:

Metric	Description	Example Value	Unit
`committed_virtual_memory_size_bytes`	Committed virtual memory bytes	`2677968896.0`	`Bytes`
`free_physical_memory_size_bytes`	Free physical memory bytes	`13653409792.0`	`Bytes`
`free_swap_space_size_bytes`	Free swap space bytes	`12342001664.0`	`Bytes`
`host`	Current host IP	`127.0.0.1`	`—`
`physical_memory_total_size_bytes`	Total physical memory bytes	`34359201792.0`	`Bytes`
`process_cpu_load`	Process CPU usage (%)	`0.8264974947206318`	`%`
`process_start_time_seconds`	Process start time (seconds since the Unix epoch)	`1787215459.261`	`seconds`
`swap_space_total_size_bytes`	Total swap space bytes	`42949136384.0`	`Bytes`
`system_cpu_core_num`	Number of CPU cores	`16.0`	`—`
`system_cpu_load`	System CPU usage (%)	`11.01702326967513`	`%`
`system_open_file_descriptor_count`	Number of open file descriptors	`0.0`	`—`
`system_start_runtime_seconds`	System start time (millisecond timestamp)	`1787215459261.0`	`seconds`

# HTTP Thread Pool

URL: aas-console/metrics/data/thread/thread-pool

Sample response (first 2 rows):

{
  "timestamp": 1787556235,
  "category": "thread",
  "collectors": [
    "thread-pool"
  ],
  "rows": [
    {
      "host": "127.0.0.1",
      "service_name": "admin-service",
      "thread_pool_active_count": 1.0,
      "thread_pool_blocked_count": 0.0,
      "thread_pool_idle_thread_timeout_seconds": 60000.0,
      "thread_pool_max_queue_size": 5000.0,
      "thread_pool_max_thread_pool_size": 100.0,
      "thread_pool_min_thread_pool_size": 25.0,
      "thread_pool_name": "admin-thread-pool",
      "thread_pool_pool_size": 25.0,
      "thread_pool_pool_usage": 0.01,
      "thread_pool_queue_size": 0.0,
      "thread_pool_step_reclaim": 0.0,
      "thread_pool_step_size": 20.0,
      "thread_pool_step_time": 10000.0
    },
    {
      "host": "127.0.0.1",
      "service_name": "ams-service",
      "thread_pool_active_count": 0.0,
      "thread_pool_blocked_count": 0.0,
      "thread_pool_idle_thread_timeout_seconds": 60000.0,
      "thread_pool_max_queue_size": 5000.0,
      "thread_pool_max_thread_pool_size": 200.0,
      "thread_pool_min_thread_pool_size": 25.0,
      "thread_pool_name": "http-thread-pool",
      "thread_pool_pool_size": 25.0,
      "thread_pool_pool_usage": 0.0,
      "thread_pool_queue_size": 0.0,
      "thread_pool_step_reclaim": 0.0,
      "thread_pool_step_size": 20.0,
      "thread_pool_step_time": 10000.0
    }
  ]
}

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Metric description:

Metric	Description	Example Value	Unit
`host`	Current host IP	`127.0.0.1`	`—`
`service_name`	Service name	`admin-service`	`—`
`thread_pool_name`	Thread pool name	`admin-thread-pool`	`—`
`thread_pool_active_count`	Number of currently active threads	`1.0`	`—`
`thread_pool_blocked_count`	Number of currently blocked threads	`0.0`	`—`
`thread_pool_idle_thread_timeout_seconds`	Maximum time (milliseconds) a thread can remain idle in the pool before being removed	`60000.0`	`milliseconds`
`thread_pool_max_queue_size`	Maximum queue capacity; -1 means unlimited	`5000.0`	`—`
`thread_pool_max_thread_pool_size`	Maximum number of threads in the thread pool	`100.0`	`—`
`thread_pool_min_thread_pool_size`	Minimum number of threads in the thread pool	`25.0`	`—`
`thread_pool_pool_size`	Current total number of threads in the thread pool	`25.0`	`—`
`thread_pool_pool_usage`	Thread pool usage (active threads/max threads)	`0.01`	`%`
`thread_pool_queue_size`	Used queue capacity	`0.0`	`—`
`thread_pool_step_reclaim`	Whether stepped thread reclaim is enabled (0: disabled, 1: enabled)	`0.0`	`—`
`thread_pool_step_size`	Number of threads reclaimed per step in stepped thread reclaim	`20.0`	`—`
`thread_pool_step_time`	Time interval for stepped thread reclaim	`10000.0`	`—`

# JDBC Connection Pool

URL: aas-console/metrics/data/jdbc

Sample response (first 2 rows):

{
  "timestamp": 1787556235,
  "category": "jdbc",
  "collectors": [
    "jdbc-pool"
  ],
  "rows": [
    {
      "host": "127.0.0.1",
      "jdbc_pool": "test",
      "jdbc_resource_connection_leak_timeout_in_seconds": 60000.0,
      "jdbc_resource_idle_timeout_in_seconds": 60000.0,
      "jdbc_resource_max_idle_size": 10.0,
      "jdbc_resource_max_pool_size": 20.0,
      "jdbc_resource_max_wait_time_in_millis": 15000.0,
      "jdbc_resource_min_idle_size": 4.0,
      "jdbc_resource_num_conn_active": 0.0,
      "jdbc_resource_num_conn_detect": 0.0,
      "jdbc_resource_num_conn_free": 20.0,
      "jdbc_resource_num_conn_free_usage": 1.0,
      "jdbc_resource_num_conn_total": 4.0,
      "jdbc_resource_num_conn_usage": 0.0,
      "jdbc_resource_steady_pool_size": 10.0,
      "jdbc_resource_validate_atmost_once_period_in_seconds": 3.0,
      "jdbc_resource_num_conn_wait": 0.0,
      "jdbc_resource_num_conn_suspend_leak": 0.0
    },
    {
      "host": "127.0.0.1",
      "jdbc_pool": "test2",
      "jdbc_resource_connection_leak_timeout_in_seconds": 60000.0,
      "jdbc_resource_idle_timeout_in_seconds": 60000.0,
      "jdbc_resource_max_idle_size": 10.0,
      "jdbc_resource_max_pool_size": 20.0,
      "jdbc_resource_max_wait_time_in_millis": 15000.0,
      "jdbc_resource_min_idle_size": 4.0,
      "jdbc_resource_num_conn_active": 0.0,
      "jdbc_resource_num_conn_detect": 0.0,
      "jdbc_resource_num_conn_free": 20.0,
      "jdbc_resource_num_conn_free_usage": 1.0,
      "jdbc_resource_num_conn_total": 4.0,
      "jdbc_resource_num_conn_usage": 0.0,
      "jdbc_resource_steady_pool_size": 10.0,
      "jdbc_resource_validate_atmost_once_period_in_seconds": 3.0,
      "jdbc_resource_num_conn_wait": 0.0,
      "jdbc_resource_num_conn_suspend_leak": 0.0
    }
  ]
}

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Metric description:

Metric	Description	Example Value	Unit
`host`	Current host IP	`127.0.0.1`	`—`
`jdbc_pool`	Connection pool name	`test`	`—`
`jdbc_resource_connection_leak_timeout_in_seconds`	Connection leak timeout; -1 means no connection leak detection	`60000.0`	`seconds`
`jdbc_resource_idle_timeout_in_seconds`	Idle timeout; the maximum time a connection can remain idle in the pool. -1 means idle connections are not validated	`60000.0`	`seconds`
`jdbc_resource_max_idle_size`	Maximum number of idle connections in the pool	`10.0`	`—`
`jdbc_resource_max_pool_size`	Maximum pool size	`20.0`	`—`
`jdbc_resource_max_wait_time_in_millis`	Maximum wait time, in milliseconds	`15000.0`	`—`
`jdbc_resource_min_idle_size`	Minimum number of idle connections in the pool	`4.0`	`—`
`jdbc_resource_num_conn_active`	Number of active connections	`0.0`	`—`
`jdbc_resource_num_conn_detect`	Number of connection validation probes	`0.0`	`—`
`jdbc_resource_num_conn_free`	Number of available connections	`20.0`	`—`
`jdbc_resource_num_conn_free_usage`	Connection availability rate	`1.0`	`%`
`jdbc_resource_num_conn_total`	Current number of connections	`4.0`	`—`
`jdbc_resource_num_conn_usage`	Connection usage rate	`0.0`	`%`
`jdbc_resource_steady_pool_size`	Initial and minimum pool size	`10.0`	`—`
`jdbc_resource_validate_atmost_once_period_in_seconds`	Connection validation interval; specifies the time interval (seconds) between consecutive requests to validate a connection (at most once). Default value is -1, meaning this property is not enabled	`3.0`	`seconds`
`jdbc_resource_num_conn_wait`	Number of waiting connections	0.0	`—`
`jdbc_resource_num_conn_suspend_leak`	Number of suspected leaks	0.0	`—`

# Web Service

URL: aas-console/metrics/data/web/web-service

Sample response (first 2 rows):

{
  "timestamp": 1787556235,
  "category": "web",
  "collectors": [
    "web-service"
  ],
  "rows": [
    {
      "context_path": "aas-console",
      "host": "127.0.0.1",
      "service_name": "admin-service",
      "servlet_name": "dispatcherServlet",
      "virtual_host_name": "admin",
      "web_service_servlet_available": 0.0,
      "web_service_servlet_class_load_time": 0.0,
      "web_service_servlet_error_count": 0.0,
      "web_service_servlet_load_time": 0.0,
      "web_service_servlet_max_time": 351.0,
      "web_service_servlet_min_time": 5.0,
      "web_service_servlet_processing_time": 1021.0,
      "web_service_servlet_request_time": 14.0
    },
    {
      "endpoint_name": "https-jsse-nio-6848",
      "host": "127.0.0.1",
      "service_name": "admin-service",
      "web_service_request_byte_received": 0.0,
      "web_service_request_byte_send": 4152779.0,
      "web_service_request_count": 13.0,
      "web_service_request_error_count": 1.0,
      "web_service_request_long_request_count": 0.0,
      "web_service_request_long_request_total_count": 0.0,
      "web_service_request_max_time": 407.0,
      "web_service_processing_time": 1093.0
    }
  ]
}

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Metric description:

Metric	Description	Example Value	Unit
`context_path`	Application context	`aas-console`	`—`
`endpoint_name`	HTTP connection name	`https-jsse-nio-6848`	`—`
`host`	Current host IP	`127.0.0.1`	`—`
`service_name`	Service name	`admin-service`	`—`
`servlet_name`	Servlet name	`dispatcherServlet`	`—`
`virtual_host_name`	Virtual host name	`admin`	`—`
`web_service_processing_time`	Cumulative request processing time (milliseconds)	`1093.0`	`—`
`web_service_request_byte_received`	Number of bytes received in requests	`0.0`	`Bytes`
`web_service_request_byte_send`	Number of bytes sent in responses	`4152779.0`	`Bytes`
`web_service_request_count`	Cumulative number of requests processed so far	`13.0`	`—`
`web_service_request_error_count`	Cumulative error count (response code ≥400)	`1.0`	`—`
`web_service_request_long_request_count`	Current number of slow requests	`0.0`	`—`
`web_service_request_long_request_total_count`	Total number of slow requests in history	`0.0`	`—`
`web_service_request_max_time`	Longest request response time (milliseconds)	`407.0`	`—`
`web_service_servlet_available`	Date and time the Servlet became available (milliseconds); 0 means available, Long.MAX_VALUE means permanently unavailable	`0.0`	`—`
`web_service_servlet_class_load_time`	Time spent loading the class (ms)	`0.0`	`ms`
`web_service_servlet_error_count`	Error count (cumulative number of responses with response code ≥400)	`0.0`	`—`
`web_service_servlet_load_time`	Time spent loading and initializing the Servlet (ms)	`0.0`	`ms`
`web_service_servlet_max_time`	Longest request response time (ms)	`351.0`	`ms`
`web_service_servlet_min_time`	Shortest request response time (ms)	`5.0`	`ms`
`web_service_servlet_processing_time`	Cumulative Servlet processing time (ms)	`1021.0`	`ms`
`web_service_servlet_request_time`	Cumulative number of requests processed so far	`14.0`	`—`
`web_service_session_active`	Current number of active Sessions	`0.0`	`—`
`web_service_session_create_rate`	Session creation rate (per second)	`0.0`	`/s`
`web_service_session_expire_rate`	Session expiration rate (per second)	`0.0`	`/s`
`web_service_session_expired_total`	Total number of expired Sessions	`0.0`	`—`
`web_service_session_max_active`	Historical maximum number of active Sessions	`0.0`	`—`
`web_service_session_passivated_sessions`	Total number of passivated Sessions	`0.0`	`—`
`web_service_session_processing_time`	Session processing time (milliseconds)	`0.0`	`ms`
`web_service_session_rejected_total`	Total number of Sessions rejected for creation	`0.0`	`—`
`web_service_session_session_counter`	Cumulative number of Sessions so far	`0.0`	`—`
`web_service_jsp_count`	Total number of loaded JSP pages	`0.0`	`—`
`web_service_jsp_queue_length`	JSP compilation queue length	`-1.0`	`—`
`web_service_jsp_reload_count`	Total number of reloaded JSP pages	`0.0`	`—`
`web_service_jsp_unload_count`	Total number of unloaded JSP pages	`0.0`	`—`

# HTTP Connections

URL: aas-console/metrics/data/http/connect

Sample response (first 2 rows):

{
  "timestamp": 1787556235,
  "category": "http",
  "collectors": [
    "connect"
  ],
  "rows": [
    {
      "host": "127.0.0.1",
      "http_connection_pool": "\"https-jsse-nio-6848\"",
      "service_name": "admin-service",
      "thread_pool_connection_count": 2.0,
      "thread_pool_connection_current_thread_busy": 1.0,
      "thread_pool_connection_current_thread_count": 25.0,
      "thread_pool_connection_keepalive_count": 1.0,
      "thread_pool_connection_max_connections": 10000.0,
      "thread_pool_connection_max_keepalive_requests": 100.0,
      "thread_pool_connection_usage": 2.0E-4
    },
    {
      "host": "127.0.0.1",
      "http_connection_pool": "\"http-nio-6888\"",
      "service_name": "ams-service",
      "thread_pool_connection_count": 1.0,
      "thread_pool_connection_current_thread_busy": 0.0,
      "thread_pool_connection_current_thread_count": 25.0,
      "thread_pool_connection_keepalive_count": 0.0,
      "thread_pool_connection_max_connections": 10000.0,
      "thread_pool_connection_max_keepalive_requests": 100.0,
      "thread_pool_connection_usage": 1.0E-4
    }
  ]
}

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Metric description:

Metric	Description	Example Value	Unit
`host`	Current host IP	`127.0.0.1`	`—`
`http_connection_pool`	HTTP connection name	`"https-jsse-nio-6848"`	`—`
`service_name`	Service name	`admin-service`	`—`
`thread_pool_connection_count`	Number of HTTP connections	`2.0`	`—`
`thread_pool_connection_current_thread_busy`	Number of threads currently processing requests	`1.0`	`—`
`thread_pool_connection_current_thread_count`	Current number of threads	`25.0`	`—`
`thread_pool_connection_keepalive_count`	Number of keep-alive HTTP connections	`1.0`	`—`
`thread_pool_connection_max_connections`	Maximum number of HTTP connections	`10000.0`	`—`
`thread_pool_connection_max_keepalive_requests`	Maximum number of keep-alive HTTP connections	`100.0`	`—`
`thread_pool_connection_usage`	HTTP connection usage	`2.0E-4`	`%`

# HTTP Requests

URL: aas-console/metrics/data/request

Sample response (first 2 rows):

{
  "timestamp": 1787556235,
  "category": "request",
  "collectors": [
    "request"
  ],
  "rows": [
    {
      "error_count": 0.0,
      "long_request_count": 0.0,
      "max_time": 0.0,
      "processor": "http-nio-6888",
      "request_count": 0.0,
      "slow_requests_in_the_last_ten_minutes": 0.0
    },
    {
      "error_count": 1.0,
      "long_request_count": 0.0,
      "max_time": 407.0,
      "processor": "https-jsse-nio-6848",
      "request_count": 13.0,
      "slow_requests_in_the_last_ten_minutes": 0.0
    }
  ]
}

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Metric description:

Metric	Description	Example Value	Unit
`processor`	HTTP channel name	`https-jsse-nio-6848`	`—`
`error_count`	Request error count	`1.0`	`—`
`long_request_count`	Slow request (long thread) count	`0.0`	`—`
`max_time`	Longest request processing time	`407.0`	`—`
`request_count`	Request count	`13.0`	`—`
`slow_requests_in_the_last_ten_minutes`	Number of slow requests in the last ten minutes	`0.0`	`—`

# Slow SQL Count

URL: aas-console/metrics/data/slow-query

Sample response (first 1 row):

{
  "timestamp": 1787556235,
  "category": "slow-query",
  "collectors": [
    "slow-query"
  ],
  "rows": [
    {
      "host": "127.0.0.1",
      "jdbc_pool_name": "test",
      "slow_query_count": 0.0
    }
  ]
}

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Metric description:

Metric	Description	Example Value	Unit
`slow_query_count`	Slow SQL request count	`0.0`	`—`
`jdbc_pool_name`	Database connection pool name	test	`—`

# Exporter

URL: aas-console/metrics/data/exporter

Sample response (first 1 row):

{
  "timestamp": 1787556235,
  "category": "exporter",
  "collectors": [
    "exporter-status"
  ],
  "rows": [
    {
      "exporter_running_status": 1.0,
      "host": "127.0.0.1",
      "jmx_connection_status": 1.0
    }
  ]
}

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Metric description:

Metric	Description	Example Value	Unit
`exporter_running_status`	Exporter running status (1: running, 0: stopped)	`1.0`	`—`
`host`	Current host IP	`127.0.0.1`	`—`
`jmx_connection_status`	JMX connection status (1: connected, 0: connection refused)	`1.0`	`—`

# JMX Monitoring

# JVM Memory

MBean ObjectName: java.lang:type=Memory
Implementation class: sun.management.MemoryImpl

Attribute	Type	Description	Field Meaning / Unit
`HeapMemoryUsage`	`CompositeData(MemoryUsage)`	Heap memory usage	`init`/`used`/`committed`/`max` → `Bytes`; `used/max` derived as `usage` (ratio)
`NonHeapMemoryUsage`	`CompositeData(MemoryUsage)`	Non-heap memory usage	Same as above
`ObjectPendingFinalizationCount`	int	Number of objects pending finalization	count
`Verbose`	boolean	Whether GC verbose logging is enabled	—

# JVM GC

MBean ObjectName pattern: java.lang:type=GarbageCollector,name=*
Typical instances: name=PS Scavenge, name=PS MarkSweep, name=G1 Young Generation, name=G1 Old Generation, name=ZGC, name=Shenandoah Cycles

Attribute	Type	Description	Unit
`Name`	String	GC collector name (also used as the `name` label of the ObjectName)	—
`CollectionCount`	long	Cumulative GC count since JVM startup	times
`CollectionTime`	long	Cumulative GC time since JVM startup	milliseconds
`LastGcInfo`	`CompositeData(GcInfo)`	Details of the most recent GC, including `id`, `startTime`, `endTime`, `duration` (milliseconds), `memoryUsageBeforeGc`, `memoryUsageAfterGc`, `GcThreadCount`	—
`MemoryPoolNames`	String[]	Memory pools managed by this GC	—
`Valid`	boolean	Whether the MBean is still valid	—

# JVM Memory Pools

MBean ObjectName pattern: java.lang:type=MemoryPool,name=*
Typical instances: PS Eden Space, PS Survivor Space, PS Old Gen, Metaspace, Compressed Class Space, Code Cache, G1 Eden, G1 Survivor, G1 Old Gen, etc.

Attribute	Type	Description	Unit
`Name`	String	Memory pool name (also used as the `name` label of the ObjectName)	—
`Type`	String	`HEAP` or `NON_HEAP`	—
`Usage`	`CompositeData(MemoryUsage)`	Current usage	`init`/`used`/`committed`/`max` → Bytes
`PeakUsage`	`CompositeData(MemoryUsage)`	Peak usage since last reset	Bytes
`CollectionUsage`	`CompositeData(MemoryUsage)`	Usage after GC collection	Bytes
`UsageThreshold`	long	Usage alarm threshold	Bytes
`UsageThresholdCount`	long	Number of times the threshold was exceeded	times
`UsageThresholdSupported`	boolean	Whether threshold alarms are supported	—
`CollectionUsageThreshold` / `...Count` / `...Supported`	long / boolean	Collection threshold related	Bytes / times / —
`MemoryManagerNames`	String[]	Associated GC collectors	—

# Operating System

MBean ObjectName: java.lang:type=OperatingSystem
Implementation class: sun.management.OperatingSystemImpl

Attribute	Type	Description	Unit
`Name` / `Version` / `Arch`	String	System name / version / architecture	—
`AvailableProcessors`	int	Number of available CPU cores	count
`SystemCpuLoad`	double	Overall system CPU usage (last 1s sample)	ratio (0~1)
`ProcessCpuLoad`	double	Current process CPU usage (last 1s sample)	ratio (0~1)
`ProcessCpuTime`	long	Cumulative process CPU time	nanoseconds
`CommittedVirtualMemorySize`	long	Committed virtual memory	Bytes
`TotalPhysicalMemorySize`	long	Total physical memory size	Bytes
`FreePhysicalMemorySize`	long	Free physical memory	Bytes
`TotalSwapSpaceSize`	long	Total swap space size	Bytes
`FreeSwapSpaceSize`	long	Free swap space	Bytes
`OpenFileDescriptorCount`	long	Number of open file descriptors (Unix only)	count
`SystemLoadAverage`	double	System 1-minute load average (-1 means unsupported)	—

# JVM Process

MBean ObjectName: java.lang:type=Runtime
Implementation class: sun.management.RuntimeImpl

Attribute	Type	Description	Unit
`Name`	String	Runtime name (`<pid>@<host>`)	—
`VmName` / `VmVendor` / `VmVersion`	String	JVM implementation information	—
`SpecName` / `SpecVendor` / `SpecVersion`	String	Java specification information	—
`ManagementSpecVersion`	String	Management specification version	—
`ClassPath`	String	Application class path	—
`BootClassPath`	String	Boot class path	—
`LibraryPath`	String	Library loading path	—
`StartTime`	long	JVM start time	millisecond timestamp
`Uptime`	long	JVM elapsed uptime	milliseconds
`InputArguments`	String[]	Startup arguments	—
`SystemProperties`	`TabularData`	Collection of system properties	—
`BootClassPathSupported`	boolean	Whether boot class path is supported	—

# JVM Threads

MBean ObjectName: java.lang:type=Threading

Attribute	Type	Description	Unit
`ThreadCount`	int	Current active thread count	count
`DaemonThreadCount`	int	Current daemon thread count	count
`PeakThreadCount`	int	Historical peak thread count	count
`TotalStartedThreadCount`	long	Cumulative started thread count	count
`ThreadCpuTimeSupported` / `ThreadCpuTimeEnabled`	boolean	Whether CPU time measurement is supported/enabled	—
`ThreadContentionMonitoringSupported` / `...Enabled`	boolean	Whether thread contention monitoring is supported/enabled	—
`ThreadAllocatedMemorySupported` / `...Enabled`	boolean	Whether thread memory allocation monitoring is supported/enabled	—
`ObjectMonitorUsageSupported` / `SynchronizerUsageSupported`	boolean	Whether Monitor/Synchronizer queries are supported	—
`CurrentThreadCpuTime` / `CurrentThreadUserTime`	long	Current thread CPU/user-mode time	nanoseconds
`CurrentThreadAllocatedBytes`	long	Bytes allocated by the current thread	Bytes
`AllThreadIds`	long[]	All thread IDs	—

# JIT Compiler

MBean ObjectName: java.lang:type=Compilation

Attribute	Type	Description	Unit
`Name`	String	Compiler name (e.g. `HotSpot 64-Bit Tiered Compilers`)	—
`TotalCompilationTime`	long	Cumulative compilation time since startup	ms
`CompilationTimeMonitoringSupported`	boolean	Whether compilation time monitoring is supported	ms

# JVM Class Loading

MBean ObjectName: java.lang:type=ClassLoading (accessed by code via the ClassLoadingMXBean proxy)

Attribute	Type	Description	Unit
`LoadedClassCount`	int	Current number of loaded classes	count
`TotalLoadedClassCount`	long	Total number of classes loaded	count
`UnloadedClassCount`	long	Total number of classes unloaded	count
`Verbose`	boolean	Whether class loading verbose logging is enabled	—

# JVM Buffer Pools

MBean ObjectName pattern: java.nio:type=BufferPool,name=*
Typical instances: name=direct, name=mapped, name=mapped - 'non-volatile memory' (JDK 14+ NVM)

Attribute	Type	Description	Unit
`Name`	String	Buffer name (`direct` / `mapped` / `mapped-nvm`, also used as the `name` label of the ObjectName)	—
`Count`	long	Number of allocated DirectByteBuffers	count
`TotalCapacity`	long	Total buffer capacity	Bytes
`MemoryUsed`	long	Bytes used	Bytes

# JVM Internal Threads

MBean ObjectName: sun.management:type=HotspotThread (HotSpot private, obtained via sun.management.ManagementFactoryHelper.getHotspotThreadMBean())

Method	Return Type	Description
`getInternalThreadCpuTimes()`	`Map<String, Long>`	Returns a map of CPU times for JVM internal threads (including C1/C2 compiler threads, GC threads, etc.) (key = thread name, value = nanoseconds)

# HTTP Thread Pool

MBean ObjectName pattern: *:type=Executor,name=*
Actual examples: admin-service:name=admin-thread-pool,type=Executor, ams-service:name=http-thread-pool,type=Executor
Implementation class: com.apusic.ams.core.StandardThreadExecutor (modelerType)

Attribute	Type	Description	Unit
`name` (ObjectName key)	String	Thread pool name	—
`domain` (ObjectName key)	String	Service domain name	—
`stateName`	String	State (e.g. `STARTED`)	—
`corePoolSize`	int	Core thread count	count
`maxThreads`	int	Maximum thread count	count
`minSpareThreads`	int	Minimum spare thread count	count
`poolSize`	int	Current thread pool size	count
`largestPoolSize`	int	Historical maximum thread count	count
`activeCount`	int	Current active thread count	count
`blockedCount`	int	Current blocked thread count	count
`queueSize`	int	Current task queue size	count
`maxQueueSize`	int	Queue capacity limit (-1 = unlimited)	count
`maxIdleTime`	int	Idle thread timeout	milliseconds
`threadStepReclaim`	boolean	Whether stepped thread reclamation is enabled	—
`threadStepTime`	long	Stepped reclamation interval	milliseconds
`threadStepSize`	int	Number of threads reclaimed per step	count
`threadRenewalDelay`	long	Thread renewal delay	milliseconds
`namePrefix`	String	Generated thread name prefix	—
`threadPriority`	int	Thread priority	—
`daemon`	boolean	Whether threads are daemon	—
`completedTaskCount`	long	Cumulative completed task count	count
`prestartminSpareThreads`	boolean	Whether to prestart core threads	—
`modelerType`	String	Fully qualified implementation class name	—

# HTTP Connection Channel

MBean ObjectName pattern: *:type=ThreadPool,name=*
Actual examples: admin-service:name="https-jsse-nio-6848",type=ThreadPool, ams-service:name="http-nio-6888",type=ThreadPool
Implementation class: com.apusic.aas.util.net.NioEndpoint (modelerType)

Attribute	Type	Description	Unit
`name` (ObjectName key)	String	Endpoint name (e.g. `https-jsse-nio-6848`, `http-nio-6888`)	—
`domain` (ObjectName key)	String	Service domain name	—
`port` / `portWithOffset` / `localPort`	int	Listening port	—
`connectionCount`	long	Current HTTP connection count	count
`maxConnections`	int	Maximum HTTP connections	count
`keepAliveCount`	int	Keep-alive connection count	count
`maxKeepAliveRequests`	int	Maximum keep-alive requests per connection	count
`keepAliveTimeout`	int	Keep-alive timeout	milliseconds
`currentThreadCount`	int	Current thread count	count
`currentThreadsBusy`	int	Threads currently processing requests	count
`maxThreads`	int	Maximum thread count (-1 = unlimited)	count
`minSpareThreads`	int	Minimum spare thread count (-1)	count
`acceptCount`	int	Accept queue length	count
`connectionTimeout`	int	Connection timeout	milliseconds
`connectionLinger`	int	Linger time after close (-1 = disabled)	seconds
`tcpNoDelay`	boolean	Whether Nagle is disabled	—
`deferAccept`	boolean	Whether accept is deferred	—
`useSendfile`	boolean	Whether sendfile is enabled	—
`sSLEnabled`	boolean	Whether TLS is enabled	—
`paused`	boolean	Whether paused	—
`running`	boolean	Whether running	—
`selectorTimeout`	long	NIO Selector timeout	milliseconds
`executorTerminationTimeoutMillis`	long	Thread pool termination timeout	milliseconds
`acceptorThreadCount` / `pollerThreadCount`	int	accept/poller thread counts	count
`acceptorThreadPriority` / `pollerThreadPriority`	int	accept/poller thread priorities	—
`threadPriority`	int	Worker thread priority (-1)	—
`bindOnInit`	boolean	Whether to bind the port immediately at startup	—
`useInheritedChannel`	boolean	Whether to inherit the channel	—
`alpnSupported`	boolean	Whether ALPN is supported	—
`sniParseLimit`	int	SNI parsing length limit	—
`sslImplementationName`	String	TLS implementation class name	—
`defaultSSLHostConfigName`	String	Default SSL HostConfig name	—
`modelerType`	String	Fully qualified implementation class name	—
`daemon`	boolean	Whether daemon	—

# HTTP Requests

MBean ObjectName pattern: *:type=GlobalRequestProcessor,name=*

Attribute	Type	Description	Unit
`requestCount`	int	Cumulative request count	count
`errorCount`	int	Cumulative error count (response code ≥ 400)	count
`processingTime`	long	Cumulative processing time	milliseconds
`maxTime`	long	Longest single processing time	milliseconds
`bytesReceived`	long	Cumulative bytes received	Bytes
`bytesSent`	long	Cumulative bytes sent	Bytes
`longRequestCount`	int	Current in-progress slow request count	count
`longRequestTotalCount`	int	Historical cumulative slow request count	count
`modelerType`	String	Implementation class (`com.apusic.connector.RequestGroupInfo`)	—

# Session Monitoring

MBean ObjectName pattern: *:type=Manager,host=*,context=*
Actual examples: admin-service:context=/aas-console,host=admin,type=Manager, ams-service:context=/ROOT,host=localhost,type=Manager
Implementation class: com.apusic.ams.session.StandardManager

Attribute	Type	Description	Unit
`activeSessions`	int	Current active Session count	count
`expiredSessions`	long	Total expired Session count	count
`rejectedSessions`	int	Number of Sessions rejected for creation	count
`passivatedSessions`	long	Number of passivated Sessions	count
`sessionCreateRate`	int	Session creation rate	count/second
`sessionExpireRate`	int	Session expiration rate	count/second
`sessionCounter`	long	Cumulative Session creation count	count
`maxActive`	int	Historical maximum active Session count	count
`maxActiveSessions`	int	Maximum concurrent Sessions (-1 = unlimited)	count
`processingTime`	long	Total Session processing time	milliseconds
`sessionAverageAliveTime`	int	Average Session alive time	seconds
`sessionMaxAliveTime`	int	Maximum Session alive time	seconds
`duplicates`	int	Number of duplicate Session IDs	count
`processExpiresFrequency`	int	Expiration scan interval	seconds
`stateName`	String	State name	—
`pathname`	String	Persistence file path	—
`sessionAttributeNameFilter` / `sessionAttributeValueClassNameFilter`	String	Attribute filters	—
`warnOnSessionAttributeFilterFailure`	boolean	Warn on filter failure	—
`secureRandomAlgorithm` / `secureRandomClass` / `secureRandomProvider`	String	Random number source	—
`jvmRoute`	String	Cluster session affinity ID	—
`persistAuthentication`	boolean	Whether to retain login state across restarts	—
`modelerType` / `className`	String	Implementation class name	—

# JSP Monitoring

MBean ObjectName pattern: *:type=JspMonitor,*name=jsp

Attribute	Type	Description	Unit
`jspCount`	int	Number of loaded JSPs	count
`jspReloadCount`	int	Number of reloads	count
`jspUnloadCount`	int	Number of unloads	count
`jspQueueLength`	int	JSP compilation queue length (-1 = disabled)	count

# Servlet Monitoring

MBean ObjectName pattern: *:j2eeType=Servlet,* (typical example: admin-service:J2EEApplication=none,J2EEServer=none,WebModule=//admin/aas-console,j2eeType=Servlet,name=dispatcherServlet)

Attribute	Type	Description	Unit
`name` (ObjectName key)	String	Servlet name (e.g. `dispatcherServlet`, `jsp`, `default`)	—
`WebModule` (ObjectName key)	String	Web module path (e.g. `//admin/aas-console`), split into `virtual_host_name`/`context_path` labels	—
`servletClass`	String	Servlet implementation class name	—
`available`	long	Availability time (0 = available, Long.MAX_VALUE = permanently unavailable)	millisecond timestamp
`stateName`	String	State (e.g. `STARTED`)	—
`loadOnStartup`	int	Load-on-startup priority (-1 = on demand)	—
`loadTime`	long	Initialization time	milliseconds
`classLoadTime`	int	Class loading time	milliseconds
`processingTime`	long	Cumulative processing time	milliseconds
`maxTime`	long	Longest single processing time	milliseconds
`minTime`	long	Shortest single processing time (Long.MAX_VALUE treated as 0)	milliseconds
`requestCount`	int	Cumulative request count	count
`errorCount`	int	Error count (response code ≥ 400)	count
`countAllocated`	int	Currently allocated instance count	count
`maxInstances`	int	Maximum instance count	count
`singleThreadModel`	boolean	Whether single-thread model	—
`asyncSupported`	boolean	Whether async is supported	—
`backgroundProcessorDelay`	int	Background scheduling delay (-1 = disabled)	seconds
`runAs`	String	run-as role	—
`modelerType`	String	Implementation class (`com.apusic.ams.core.StandardWrapper`)	—

# JDBC Data Source

MBean ObjectName pattern: *:type=DataSource,*
Actual examples: admin-service:class=javax.sql.DataSource,name="test",type=DataSource
Implementation class: com.apusic.aas.jdbc.pool.DataSource (modelerType)

Attribute	Type	Description	Unit
`name` (ObjectName key)	String	Pool name (e.g. `test`; surrounding quotes are stripped)	—
`driverClassName` / `driverPath`	String	Driver class / driver JAR path	—
`url`	String	JDBC URL	—
`username` / `password`	String	credentials (password masked)	—
`numActive`	int	Current active connection count	count
`numIdle`	int	Current idle connection count	count
`size`	int	Current total pool connection count	count
`idle` / `active`	int	Another idle/active view	count
`maxActive` / `maxTotal`	int	Maximum pool size	count
`maxIdle`	int	Maximum idle connection count	count
`minIdle`	int	Minimum idle connection count	count
`initialSize`	int	Initial pool size	count
`maxWait` / `maxWaitMillis`	int	Maximum wait time	milliseconds
`timeBetweenEvictionRunsMillis`	int	eviction scan interval (leak detection period)	milliseconds
`minEvictableIdleTimeMillis`	int	Idle timeout	milliseconds
`validationQueryTimeout`	int	Validation timeout	seconds
`numTestsPerEvictionRun`	int	Number of tests per eviction run	count
`testWhileIdle` / `testOnBorrow` / `testOnReturn` / `testOnConnect`	boolean	Whether to validate at each phase	—
`removeAbandoned` / `removeAbandonedTimeout` / `logAbandoned`	boolean / int / boolean	leak reclaim configuration	— / seconds / —
`abandonWhenPercentageFull`	int	Occupancy threshold that triggers leak reclaim	%
`defaultCatalog`	String	Default catalog	—
`defaultTransactionIsolation`	int	Default transaction isolation level	—
`defaultAutoCommit` / `defaultReadOnly`	Boolean	Default auto-commit/read-only	—
`jdbcInterceptors`	String	Interceptor chain (e.g. `com.apusic.aas.jdbc.pool.interceptor.SqlTraceInterceptor`)	—
`validatorClassName` / `validationQuery`	String	Validator / validation SQL	—
`initSQL` / `connectionProperties`	String	Initialization SQL / connection properties	—
`useDisposableConnectionFacade` / `useStatementFacade` / `accessToUnderlyingConnectionAllowed`	boolean	Various switches	—
`alternateUsernameAllowed` / `commitOnReturn` / `rollbackOnReturn` / `ignoreExceptionOnPreLoad`	boolean	Connection behavior switches	—
`jmxEnabled` / `fairQueue` / `useLock` / `useEquals` / `propagateInterruptState`	boolean	Pool behavior switches	—
`poolSweeperEnabled` / `validationInterval` / `maxAge`	boolean / long / long	Scan and lifetime control	— / milliseconds / milliseconds
`loginTimeout`	int	Login timeout	seconds
`waitCount` / `borrowedCount` / `returnedCount` / `createdCount` / `releasedCount` / `reconnectedCount` / `releasedIdleCount` / `removeAbandonedCount` / `suspectCount`	int / long	Various cumulative counters	times
`dataSourceJNDI` / `dataSource`	String / Object	JNDI name / underlying DataSource	—
`className` / `modelerType`	String	Implementation class name	—
`ResourceName`	String	Resource name	—

# Slow SQL Count

MBean ObjectName pattern: com.apusic.aas.jdbc.pool:type=SqlTraceConfig

Attribute	Type	Description	Unit
`SlowQueryCount`	Map<String, AtomicLong>	Cumulative slow SQL count for all data sources; key is the data source name, value is the slow SQL count	count

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