10.4 | Setup and upgrade | Deploy on Kubernetes | Setting up the monitoring | List of Prometheus metrics

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List of Prometheus metrics

Metrics exposed by the Web API

Metric nameTypeUnitDescription
SonarQube_Database_PoolMaxConnectionsUntyped ConnectionsMaximum number of connections to the Database pool.
SonarQube_AsyncExecution_LargestWorkerCountUntyped n/aMaximum number of asynchronous workers.
SonarQube_Database_PoolMinIdleConnectionsUntypedConnectionsMinimum number of idle connections to the Database pool.
SonarQube_AsyncExecution_QueueSizeUntyped n/aQueue size for asynchronous jobs.
SonarQube_Database_PoolTotalConnectionsUntyped ConnectionsTotal number of connections to the Database pool.
SonarQube_AsyncExecution_WorkerCountUntyped WorkersTotal number of asynchronous job workers.
SonarQube_Database_PoolMaxLifeTimeMillisUntyped MillisecondsMaximum time a connection can stay in the alive in the Database pool.
SonarQube_Database_PoolActiveConnectionsUntypedConnectionsMaximum number of active connections in the Database pool.
SonarQube_Database_PoolMaxWaitMillisUntypedMillisecondsMaximum time a connection can keep waiting in the Database pool.
SonarQube_Database_PoolIdleConnectionsUntyped
Maximum number of idle connections in the Database pool.

JMX metrics

Main SonarQube process

The metrics coming from the main Java process are listed below.

Metric nameTypeUnitDescription
process_cpu_seconds_totalCounterSecondsTotal user and system CPU time spent in seconds.
process_start_time_secondsGauge SecondsStart time of the process since Unix epoch in seconds.
process_open_fds  Gauge  n/aNumber of open file descriptors.  
process_max_fds Gauge n/aMaximum number of open file descriptors.
process_virtual_memory_bytesGauge BytesVirtual memory size in bytes.
process_resident_memory_bytesGauge BytesResident memory size in bytes.

Tomcat

The metrics coming from Tomcat are listed below. All metrics are untyped.

Connector
Metric nameDescription
Tomcat_Connector_portOffsetThe offset that will be applied to the port to determine the actual port number used.
Tomcat_Connector_maxThreadsThe maximum number of request processing threads to be created for the internal Executor. -1 indicates an external Executor is being used. 
Tomcat_Connector_tcpNoDelayShould we use TCP no delay? 
Tomcat_Connector_maxParameterCount The maximum number of parameters (GET plus POST) that will be automatically parsed by the container. 10000 by default. The default Tomcat server.xml configures a lower default of 1000. A value of less than 0 means no limit.      
Tomcat_Connector_maxHeaderCountThe maximum number of headers that are allowed by the container. 100 by default. A value of less than 0 means no limit.
 Tomcat_Connector_maxKeepAliveRequestsMaximum number of Keep-Alive requests to honor per connection.
Tomcat_Connector_allowTraceAllow disabling TRACE method.
Tomcat_Connector_enableLookupsThe 'enable DNS lookups' flag for this Connector.
Tomcat_Connector_localPort The port number on which this connector is listening to requests. If the special value for port of zero is used then this method will report the actual port bound.
Tomcat_Connector_threadPriority The thread priority for processors using the internal Executor. -1 indicates an external Executor is being used.
Tomcat_Connector_processorCacheThe processor cache size. 
Tomcat_Connector_xpoweredByIs generation of X-Powered-By response header enabled/disabled?
 Tomcat_Connector_useIPVHostsShould IP-based virtual hosting be used? 
Tomcat_Connector_portThe port number (excluding any offset) on which this connector is configured to listen for requests. The special value of 0 means select a random free port when the socket is bound.
 Tomcat_Connector_redirectPortThe redirect port (excluding any offset) for non-SSL to SSL redirects.
Tomcat_Connector_proxyPortThe Server port to which we should pretend requests to this Connector.
Tomcat_Connector_acceptCount The accept count for this Connector.
 Tomcat_Connector_maxSwallowSizeThe maximum number of request body bytes to be swallowed by Tomcat for an aborted upload.
 Tomcat_Connector_portWithOffsetThe actual port number (including any offset) on which this connector is configured to listen for requests.
Tomcat_Connector_maxPostSizeMaximum size in bytes of a POST which will be handled by the servlet API provided features.
Tomcat_Connector_connectionTimeout Timeout value on the incoming connection.
Tomcat_Connector_connectionLinger Linger value on the incoming connection.
Engine
Metric nameDescription
Tomcat_Engine_backgroundProcessorDelayThe processor delay for this component.
Tomcat_Engine_startChildrenWill children be started automatically when they are added? 
Tomcat_Engine_startStopThreadsThe number of threads to use when starting and stopping child Hosts. 
GlobalRequestProcessor
Metric nameDescription
Tomcat_GlobalRequestProcessor_bytesReceivedAmount of data received, in bytes.
Tomcat_GlobalRequestProcessor_bytesSentAmount of data sent, in bytes.
Tomcat_GlobalRequestProcessor_errorCountNumber of errors for the GlobalRequestProcessor.
Tomcat_GlobalRequestProcessor_maxTimeMaximum time to process a request.
Tomcat_GlobalRequestProcessor_processingTimeTotal time to process the requests.
Tomcat_GlobalRequestProcessor_requestCountNumber of requests processed for the GlobalRequestProcessor.
Host
Metric nameDescription
Tomcat_Host_autoDeployThe auto deploy flag for this Host.
Tomcat_Host_backgroundProcessorDelayThe processor delay for this component.
Tomcat_Host_copyXML Should XML files be copied to $CATALINA_BASE/conf/{engine}/{host} by default when a web application is deployed?
Tomcat_Host_createDirsShould we create directories upon startup for appBase and xmlBase? 
Tomcat_Host_deployOnStartupThe deploy on startup flag for this Host.
Tomcat_Host_deployXMLDeploy Context XML config files property.
Tomcat_Host_startChildrenWill children be started automatically when they are added?
Tomcat_Host_startStopThreadsThe number of threads to use when starting, stopping, and deploying child Contexts.
Tomcat_Host_undeployOldVersionsDetermines if old versions of applications deployed using parallel deployment are automatically undeployed when no longer used. Requires autoDeploy to be enabled.
Tomcat_Host_unpackWARsUnpack WARs property.
Manager
Metric nameDescription
Tomcat_Manager_activeSessionsNumber of active sessions at this moment.
Tomcat_Manager_duplicatesNumber of duplicated session ids generated.
Tomcat_Manager_expiredSessionsNumber of sessions that expired (doesn't include explicit invalidations). 
Tomcat_Manager_maxActive Maximum number of active sessions so far. 
Tomcat_Manager_maxActiveSessionsThe maximum number of active Sessions allowed, or -1 for no limit. 
Tomcat_Manager_persistAuthenticationIndicates whether sessions shall persist authentication information when being persisted (e.g. across application restarts).
Tomcat_Manager_processExpiresFrequencyThe frequency of the manager checks (expiration and passivation). 
Tomcat_Manager_processingTimeTime spent doing housekeeping and expiration.
Tomcat_Manager_rejectedSessionsNumber of sessions we rejected due to maxActive being reached.         
Tomcat_Manager_sessionAverageAliveTimeAverage time an expired session had been alive.
Tomcat_Manager_sessionCounter  Total number of sessions created by this manager.
Tomcat_Manager_sessionCreateRate Session creation rate in sessions per minute.
Tomcat_Manager_sessionExpireRateSession expiration rate in sessions per minute.
Tomcat_Manager_sessionMaxAliveTimeLongest time an expired session had been alive. 
Tomcat_Manager_warnOnSessionAttributeFilterFailureShould a WARN level log message be generated if a session attribute fails to match sessionAttributeNameFilter or sessionAttributeClassNameFilter?
ProtocolHandler
Metric nameDescription
Tomcat_ProtocolHandler_acceptCountIntrospected attribute acceptCount.
Tomcat_ProtocolHandler_acceptorThreadCountIntrospected attribute acceptorThreadCount.
Tomcat_ProtocolHandler_acceptorThreadPriority Introspected attribute acceptorThreadPriority.
Tomcat_ProtocolHandler_allowHostHeaderMismatchIntrospected attribute allowHostHeaderMismatch.
Tomcat_ProtocolHandler_aprRequiredIntrospected attribute aprRequired.
Tomcat_ProtocolHandler_compressionMinSizeIntrospected attribute compressionMinSize.
Tomcat_ProtocolHandler_connectionCountIntrospected attribute connectionCount.
Tomcat_ProtocolHandler_connectionLingerIntrospected attribute connectionLinger.
Tomcat_ProtocolHandler_connectionTimeoutIntrospected attribute connectionTimeout. 
Tomcat_ProtocolHandler_connectionUploadTimeout   Introspected attribute connectionUploadTimeout.  
Tomcat_ProtocolHandler_desiredBufferSizeIntrospected attribute desiredBufferSize.
Tomcat_ProtocolHandler_disableUploadTimeoutIntrospected attribute disableUploadTimeout.
Tomcat_ProtocolHandler_keepAliveTimeoutIntrospected attribute keepAliveTimeout.
Tomcat_ProtocolHandler_localPortIntrospected attribute localPort.
Tomcat_ProtocolHandler_maxConnectionsIntrospected attribute maxConnections.
Tomcat_ProtocolHandler_maxExtensionSizeIntrospected attribute maxExtensionSize.
Tomcat_ProtocolHandler_maxHeaderCountIntrospected attribute maxHeaderCount.
Tomcat_ProtocolHandler_maxHttpHeaderSizeIntrospected attribute maxHttpHeaderSize. 
Tomcat_ProtocolHandler_maxHttpRequestHeaderSizeIntrospected attribute maxHttpRequestHeaderSize.
Tomcat_ProtocolHandler_maxHttpResponseHeaderSizeIntrospected attribute maxHttpResponseHeaderSize.
Tomcat_ProtocolHandler_maxKeepAliveRequestsIntrospected attribute maxKeepAliveRequests.
Tomcat_ProtocolHandler_maxSavePostSizeIntrospected attribute maxSavePostSize.
Tomcat_ProtocolHandler_maxSwallowSizeIntrospected attribute maxSwallowSize.
Tomcat_ProtocolHandler_maxThreadsIntrospected attribute maxThreads.
Tomcat_ProtocolHandler_maxTrailerSize Introspected attribute maxTrailerSize.
Tomcat_ProtocolHandler_minSpareThreadsIntrospected attribute minSpareThreads.
Tomcat_ProtocolHandler_nameIndex Introspected attribute nameIndex.
Tomcat_ProtocolHandler_noCompressionStrongETag Introspected attribute noCompressionStrongETag.
Tomcat_ProtocolHandler_pausedIntrospected attribute paused. 
Tomcat_ProtocolHandler_pollerThreadCountIntrospected attribute pollerThreadCount.
Tomcat_ProtocolHandler_pollerThreadPriorityIntrospected attribute pollerThreadPriority.
Tomcat_ProtocolHandler_port Introspected attribute port.
Tomcat_ProtocolHandler_portOffsetIntrospected attribute portOffset.
Tomcat_ProtocolHandler_portWithOffsetIntrospected attribute portWithOffset.  
Tomcat_ProtocolHandler_processorCache Introspected attribute processorCache.
Tomcat_ProtocolHandler_rejectIllegalHeader  Introspected attribute rejectIllegalHeader. 
Tomcat_ProtocolHandler_rejectIllegalHeaderNameIntrospected attribute rejectIllegalHeaderName.
Tomcat_ProtocolHandler_secureIntrospected attribute secure.
Tomcat_ProtocolHandler_selectorTimeoutIntrospected attribute selectorTimeout.
Tomcat_ProtocolHandler_sendfileSupported Introspected attribute sendfileSupported.
Tomcat_ProtocolHandler_serverRemoveAppProvidedValuesIntrospected attribute serverRemoveAppProvidedValues.
Tomcat_ProtocolHandler_sessionCacheSizeIntrospected attribute sessionCacheSize.
Tomcat_ProtocolHandler_sessionTimeoutIntrospected attribute sessionTimeout.
Tomcat_ProtocolHandler_sniParseLimit  Introspected attribute sniParseLimit.
Tomcat_ProtocolHandler_sSLDisableCompressionIntrospected attribute sSLDisableCompression.
Tomcat_ProtocolHandler_sSLDisableSessionTickets Introspected attribute sSLDisableSessionTickets.
Tomcat_ProtocolHandler_sSLEnabled Introspected attribute sSLEnabled.
Tomcat_ProtocolHandler_sSLHonorCipherOrder  Introspected attribute sSLHonorCipherOrder.
Tomcat_ProtocolHandler_sSLVerifyDepthIntrospected attribute sSLVerifyDepth.
Tomcat_ProtocolHandler_tcpNoDelay Introspected attribute tcpNoDelay.
Tomcat_ProtocolHandler_threadPriorityIntrospected attribute threadPriority.
Tomcat_ProtocolHandler_trustMaxCertLength Introspected attribute trustMaxCertLength.
Tomcat_ProtocolHandler_useKeepAliveResponseHeaderIntrospected attribute useKeepAliveResponseHeader.
Tomcat_ProtocolHandler_useSendfileIntrospected attribute useSendfile.
Tomcat_ProtocolHandler_useServerCipherSuitesOrderIntrospected attribute useServerCipherSuitesOrder.
Tomcat_ProtocolHandler_waitingProcessorCountIntrospected attribute waitingProcessorCount.
Realm
Metric nameDescription
Tomcat_Realm_availableIntrospected attribute available.
Tomcat_Realm_stripRealmForGss Introspected attribute stripRealmForGss.
Tomcat_Realm_throwOnFailureIntrospected attribute throwOnFailure.
Tomcat_Realm_transportGuaranteeRedirectStatusIntrospected attribute transportGuaranteeRedirectStatus.
Tomcat_Realm_validate Introspected attribute validate.
RequestProcessor
Metric nameDescription
Tomcat_RequestProcessor_bytesReceivedIntrospected attribute bytesReceived.
Tomcat_RequestProcessor_bytesSent Introspected attribute bytesSent.
Tomcat_RequestProcessor_contentLengthIntrospected attribute contentLength.
Tomcat_RequestProcessor_errorCount Introspected attribute errorCount.
Tomcat_RequestProcessor_lastRequestProcessingTime Introspected attribute lastRequestProcessingTime.
Tomcat_RequestProcessor_maxTime Introspected attribute maxTime. 
Tomcat_RequestProcessor_processingTimeIntrospected attribute processingTime.
Tomcat_RequestProcessor_requestBytesReceived  Introspected attribute requestBytesReceived.
Tomcat_RequestProcessor_requestBytesSent  Introspected attribute requestBytesSent.
Tomcat_RequestProcessor_requestCountIntrospected attribute requestCount.
Tomcat_RequestProcessor_requestProcessingTimeIntrospected attribute requestProcessingTime.
Tomcat_RequestProcessor_serverPort Introspected attribute serverPort.
Tomcat_RequestProcessor_stageIntrospected attribute stage. 
Server
Metric nameDescription
Tomcat_Server_port TCP port (excluding any offset) for shutdown messages.
Tomcat_Server_portOffsetThe offset applied to port and to the port attributes of any nested connectors.
Tomcat_Server_portWithOffsetActual TCP port (including any offset) for shutdown messages.        
Servlet
Metric nameDescription
Tomcat_Servlet_availableThe date and time at which this servlet will become available (in milliseconds since the epoch), or zero if the servlet is available. If this value equals Long.MAX_VALUE, the unavailability of this servlet is considered permanent. 
Tomcat_Servlet_asyncSupportedAsync support.
Tomcat_Servlet_backgroundProcessorDelay  The processor delay for this component.
Tomcat_Servlet_classLoadTimeTime taken to load the Servlet class. 
Tomcat_Servlet_countAllocatedThe count of allocations that are currently active (even if they are for the same instance, as will be true on a non-STM servlet). 
Tomcat_Servlet_errorCount Error count.
Tomcat_Servlet_loadOnStartup The load-on-startup order value (negative value means load on first call) for this servlet.
Tomcat_Servlet_loadTimeTime taken to load and initialize the Servlet.
Tomcat_Servlet_maxInstancesDeprecated. Will be removed in Tomcat 10.1 onwards. Maximum number of STM instances.
Tomcat_Servlet_maxTimeMaximum processing time of a request. 
Tomcat_Servlet_minTimeMinimum processing time of a request.
Tomcat_Servlet_processingTimeTotal execution time of the servlet's service method.
Tomcat_Servlet_requestCount  Number of requests processed by this wrapper.
Tomcat_Servlet_singleThreadModel  Deprecated. Will be removed in Tomcat 10.1 onwards. Does this servlet implement the SingleThreadModel interface?
SSLHostConfig
Metric nameDescription
Tomcat_SSLHostConfig_certificateVerificationDepth Introspected attribute certificateVerificationDepth.
Tomcat_SSLHostConfig_certificateVerificationDepthConfiguredIntrospected attribute certificateVerificationDepthConfigured.
Tomcat_SSLHostConfig_disableCompressionIntrospected attribute disableCompression.
Tomcat_SSLHostConfig_disableSessionTickets  Introspected attribute disableSessionTickets.
Tomcat_SSLHostConfig_honorCipherOrderIntrospected attribute honorCipherOrder. 
Tomcat_SSLHostConfig_insecureRenegotiationIntrospected attribute insecureRenegotiation.
Tomcat_SSLHostConfig_openSslConfContext Introspected attribute openSslConfContext.
Tomcat_SSLHostConfig_openSslContextIntrospected attribute openSslContext.
Tomcat_SSLHostConfig_revocationEnabledIntrospected attribute revocationEnabled.  
Tomcat_SSLHostConfig_sessionCacheSize Introspected attribute sessionCacheSize.
Tomcat_SSLHostConfig_sessionTimeoutIntrospected attribute sessionTimeout.
Tomcat_SSLHostConfig_tls13RenegotiationAvailable Introspected attribute tls13RenegotiationAvailable.
SocketProperties
Metric nameDescription
Tomcat_SocketProperties_appReadBufSize Introspected attribute appReadBufSize.
Tomcat_SocketProperties_appWriteBufSize Introspected attribute appWriteBufSize.
Tomcat_SocketProperties_bufferPool  Introspected attribute bufferPool.
Tomcat_SocketProperties_bufferPoolSizeIntrospected attribute bufferPoolSize. 
Tomcat_SocketProperties_directBuffer Introspected attribute directBuffer.
Tomcat_SocketProperties_directBufferPool Introspected attribute directBufferPool.  
Tomcat_SocketProperties_directSslBufferIntrospected attribute directSslBuffer.
Tomcat_SocketProperties_eventCache Introspected attribute eventCache.
Tomcat_SocketProperties_processorCacheIntrospected attribute processorCache.
Tomcat_SocketProperties_soLingerOn Introspected attribute soLingerOn.
Tomcat_SocketProperties_soLingerTimeIntrospected attribute soLingerTime.
Tomcat_SocketProperties_soReuseAddressIntrospected attribute soReuseAddress.
Tomcat_SocketProperties_soTimeoutIntrospected attribute soTimeout.
Tomcat_SocketProperties_tcpNoDelay Introspected attribute tcpNoDelay.   
Tomcat_SocketProperties_timeoutIntervalIntrospected attribute timeoutInterval.
Tomcat_SocketProperties_unlockTimeoutIntrospected attribute unlockTimeout. 
StringCache
Metric nameDescription
Tomcat_StringCache_accessCountIntrospected attribute accessCount. 
Tomcat_StringCache_byteEnabledIntrospected attribute byteEnabled.
Tomcat_StringCache_cacheSizeIntrospected attribute cacheSize.
Tomcat_StringCache_charEnabledIntrospected attribute charEnabled.
Tomcat_StringCache_hitCountIntrospected attribute hitCount.
Tomcat_StringCache_trainThresholdIntrospected attribute trainThreshold.
ThreadPool
Metric nameDescription
Tomcat_ThreadPool_acceptCountTomcat ThreadPool acceptCount.
Tomcat_ThreadPool_acceptorThreadCount Tomcat ThreadPool acceptorThreadCount.
Tomcat_ThreadPool_acceptorThreadPriority Tomcat:name="http-nio-0.0.0.0-9000",type=ThreadPool,attribute=acceptorThreadPriority
Tomcat_ThreadPool_alpnSupported Tomcat ThreadPool alpnSupported.
Tomcat_ThreadPool_bindOnInitTomcat ThreadPool bindOnInit. 
Tomcat_ThreadPool_connectionCountTomcat ThreadPool connectionCount.
Tomcat_ThreadPool_connectionLinger Tomcat:name="http-nio-0.0.0.0-9000",type=ThreadPool,attribute=connectionLinger
Tomcat_ThreadPool_connectionTimeout Tomcat ThreadPool connection timeout.
Tomcat_ThreadPool_currentThreadCount Tomcat ThreadPool currentThreadCount.
Tomcat_ThreadPool_currentThreadsBusy The number of currently busy threads in the ThreadPool. 
Tomcat_ThreadPool_daemonTomcat:name="http-nio-0.0.0.0-9000",type=ThreadPool,attribute=daemon
Tomcat_ThreadPool_deferAcceptTomcat ThreadPool deferAccept.
Tomcat_ThreadPool_executorTerminationTimeoutMillisTomcat:name="http-nio-0.0.0.0-9000",type=ThreadPool,attribute=executorTerminationTimeoutMillis
Tomcat_ThreadPool_keepAliveCount Tomcat ThreadPool keepAliveCount. 
Tomcat_ThreadPool_keepAliveTimeoutTomcat:name="http-nio-0.0.0.0-9000",type=ThreadPool,attribute=keepAliveTimeout 
Tomcat_ThreadPool_localPortTomcat:name="http-nio-0.0.0.0-9000",type=ThreadPool,attribute=localPort
Tomcat_ThreadPool_maxConnectionsTomcat ThreadPool maxConnections. 
Tomcat_ThreadPool_maxKeepAliveRequestsTomcat ThreadPool maxKeepAliveRequests.
Tomcat_ThreadPool_maxThreadsTomcat:name="http-nio-0.0.0.0-9000",type=ThreadPool,attribute=maxThreads 
Tomcat_ThreadPool_minSpareThreads Tomcat:name="http-nio-0.0.0.0-9000",type=ThreadPool,attribute=minSpareThreads
Tomcat_ThreadPool_pausedTomcat ThreadPool paused.
Tomcat_ThreadPool_pollerThreadCountTomcat:name="http-nio-0.0.0.0-9000",type=ThreadPool,attribute=pollerThreadCount 
Tomcat_ThreadPool_pollerThreadPriorityTomcat ThreadPool pollerThreadPriority.
Tomcat_ThreadPool_port Tomcat ThreadPool port.
Tomcat_ThreadPool_portOffset Tomcat:name="http-nio-0.0.0.0-9000",type=ThreadPool,attribute=portOffset
Tomcat_ThreadPool_portWithOffset Tomcat ThreadPool portWithOffset.
Tomcat_ThreadPool_runningTomcat ThreadPool running.
Tomcat_ThreadPool_selectorTimeoutIntrospected attribute selectorTimeout.
Tomcat_ThreadPool_sniParseLimit Tomcat:name="http-nio-0.0.0.0-9000",type=ThreadPool,attribute=sniParseLimit
Tomcat_ThreadPool_sSLEnabledTomcat ThreadPool sSLEnabled.
Tomcat_ThreadPool_tcpNoDelay Tomcat:name="http-nio-0.0.0.0-9000",type=ThreadPool,attribute=tcpNoDelay
Tomcat_ThreadPool_threadPriorityTomcat:name="http-nio-0.0.0.0-9000",type=ThreadPool,attribute=threadPriority
Tomcat_ThreadPool_useInheritedChannelTomcat ThreadPool useInheritedChannel.
Tomcat_ThreadPool_useSendfileTomcat:name="http-nio-0.0.0.0-9000",type=ThreadPool,attribute=useSendfile
UtilityExecutor
Metric nameDescription
Tomcat_UtilityExecutor_activeCountIntrospected attribute activeCount.
Tomcat_UtilityExecutor_completedTaskCountIntrospected attribute completedTaskCount.
Tomcat_UtilityExecutor_continueExistingPeriodicTasksAfterShutdownPolicyIntrospected attribute continueExistingPeriodicTasksAfterShutdownPolicy.
Tomcat_UtilityExecutor_corePoolSizeIntrospected attribute corePoolSize.
Tomcat_UtilityExecutor_executeExistingDelayedTasksAfterShutdownPolicyIntrospected attribute executeExistingDelayedTasksAfterShutdownPolicy.
Tomcat_UtilityExecutor_largestPoolSizeIntrospected attribute largestPoolSize.
Tomcat_UtilityExecutor_maximumPoolSizeIntrospected attribute maximumPoolSize.
Tomcat_UtilityExecutor_poolSizeIntrospected attribute poolSize.
Tomcat_UtilityExecutor_removeOnCancelPolicyIntrospected attribute removeOnCancelPolicy.
Tomcat_UtilityExecutor_shutdownIntrospected attribute shutdown.
Tomcat_UtilityExecutor_taskCountIntrospected attribute taskCount.
Tomcat_UtilityExecutor_terminatedIntrospected attribute terminated.
Tomcat_UtilityExecutor_terminatingIntrospected attribute terminating.
Valve
Metric nameDescription
Tomcat_Valve_asyncSupportedDoes this valve support async reporting? 
Tomcat_Valve_birthTimeIntrospected attribute birthTime.
Tomcat_Valve_cache Should we cache authenticated Principals if the request is part of an HTTP session?
Tomcat_Valve_changeSessionIdOnAuthenticationControls if the session ID is changed if a session exists at the point where users are authenticated.
Tomcat_Valve_disableProxyCachingControls the caching of pages that are protected by security constraints.
Tomcat_Valve_quietIntrospected attribute quiet. 
Tomcat_Valve_securePagesWithPragmaControls the caching of pages that are protected by security constraints.
Tomcat_Valve_showReportEnables/Disables full error reports.
Tomcat_Valve_showServerInfoEnables/Disables server info on error pages.
Tomcat_Valve_startedIntrospected attribute started.
Tomcat_Valve_throwOnFailureIntrospected attribute throwOnFailure. 
WebModule
Metric nameDescription
Tomcat_WebModule_antiResourceLockingTake care not to lock resources.
Tomcat_WebModule_clearReferencesRmiTargetsShould Tomcat look for memory leaks in RMI Targets and clear them if found as a workaround for application coding errors?
Tomcat_WebModule_clearReferencesStopTimerThreadsShould Tomcat attempt to terminate TimerThreads that have been started by the web application? Advisable to be used only in a development environment.
Tomcat_WebModule_clearReferencesStopThreads Should Tomcat attempt to terminate threads that have been started by the web application? Advisable to be used only in a development environment. 
Tomcat_WebModule_clearReferencesThreadLocalsShould Tomcat attempt to clear ThreadLocal variables that have been populated with classes loaded by the web application?
Tomcat_WebModule_configuredThe correctly configured flag for this Context.
Tomcat_WebModule_cookiesShould we attempt to use cookies for session id communication?
Tomcat_WebModule_crossContext Should we allow the ServletContext.getContext() method to access the context of other web applications in this server?
Tomcat_WebModule_delegateTomcat WebModule delegate.
Tomcat_WebModule_distributableThe distributable flag for this web application.
Tomcat_WebModule_errorCount Cumulative error count of all servlets in this context.
Tomcat_WebModule_ignoreAnnotationsIgnore annotations flag.
Tomcat_WebModule_logEffectiveWebXmlShould the effective web.xml be logged when the context starts?
Tomcat_WebModule_mapperContextRootRedirectEnabledShould the Mapper be used for context root redirects?
Tomcat_WebModule_mapperDirectoryRedirectEnabledShould the Mapper be used for directory redirects?
Tomcat_WebModule_maxTimeMaximum execution time of all servlets in this context.
Tomcat_WebModule_minTimeMinimum execution time of all servlets in this context.
Tomcat_WebModule_override The default context.xml override flag for this web application.  
Tomcat_WebModule_parallelAnnotationScanningThe parallel annotation scanning flag.
Tomcat_WebModule_pausedThe request processing pause flag (while reloading occurs).
Tomcat_WebModule_privilegedAccess to Tomcat internals.
Tomcat_WebModule_processingTimeCumulative execution times of all servlets in this context.
Tomcat_WebModule_reloadableThe reloadable flag for this web application.
Tomcat_WebModule_renewThreadsWhenStoppingContextShould Tomcat renew the threads of the thread pool when the application is stopped to avoid memory leaks because of uncleaned ThreadLocal variables?
Tomcat_WebModule_requestCountCumulative request count of all servlets in this context.
Tomcat_WebModule_sessionTimeoutThe session timeout (in minutes) for this web application.
Tomcat_WebModule_startTimeTime (in milliseconds since January 1, 1970, 00:00:00) when this context was started.
Tomcat_WebModule_startupTimeTime (in milliseconds) it took to start this context.
Tomcat_WebModule_swallowOutputFlag to set to cause the system.out and system.err to be redirected to the logger when executing a servlet.
Tomcat_WebModule_tldScanTimeTime spent scanning jars for TLDs for this context.
Tomcat_WebModule_tldValidationShould the parsing of *.tld files be performed by a validating parser?
Tomcat_WebModule_unloadDelayAmount of ms that the container will wait for servlets to unload.
Tomcat_WebModule_unpackWARUnpack WAR property.
Tomcat_WebModule_useBloomFilterForArchivesDEPRECATED: Use a bloom filter for archives lookups.
Tomcat_WebModule_useHttpOnlyIndicates that session cookies should use HttpOnly.
Tomcat_WebModule_useNamingCreate a JNDI naming context for this application? 
Tomcat_WebModule_useRelativeRedirectsWhen generating location headers for 302 responses, should a relative URI be used?
Tomcat_WebModule_xmlNamespaceAwareShould the parsing of web.xml and web-fragment.xml files be performed by a namespace-aware parser?
Tomcat_WebModule_xmlValidationShould the parsing of web.xml and web-fragment.xml files be performed by a validating parser?
WebResourceRoot
Metric nameDescription
Tomcat_WebResourceRoot_allowLinkingDoes this resources implementation allow the use of symbolic links? 
Tomcat_WebResourceRoot_cachingAllowed Is in-memory caching of resource content and metadata enabled?
Tomcat_WebResourceRoot_hitCountThe number of requests for resources that were served from the cache.  
Tomcat_WebResourceRoot_lookupCount The number of requests for resources in the WebResourceRoot. 
Tomcat_WebResourceRoot_maxSizeThe maximum permitted size of the cache in kB.
Tomcat_WebResourceRoot_objectMaxSize The maximum permitted size for a single object in the cache in kB.
Tomcat_WebResourceRoot_sizeThe current estimate of the cache size in kB.
Tomcat_WebResourceRoot_trackLockedFilesDoes this resources implementation track requests that lock files? 
Tomcat_WebResourceRoot_ttlThe time-to-live for cache entries in milliseconds.

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