![]() The buffer contains more detailed information about the last hour. The data is retrieved every ten seconds, by default, and buffered for ten days inside the JVM. Vitals is a combination of sysstat operating system tools and Java Virtual Machine (JVM) statistics. Returns the approximate accumulated elapsed time (in milliseconds) spent in compilation.SapMachine, a downstream distribution of OpenJDK, has introduced a new monitoring tool, SapMachine Vitals, that keeps a condensed history of the operating system and JVM statistics. The monitoring feature is activated by default and may be used to retrieve information such as heap usage, metaspace size, container memory statistics and limits, the number of classes loaded and the number of threads spawned. Returns the uptime of the JVM in milliseconds. Returns the CPU time that the current thread has executed in user mode in nanoseconds. Returns the total CPU time for the current thread in nanoseconds. Returns the current number of live threads including both daemon and non-daemon threads. Returns the total number of threads created and also started since the JVM started. A memory allocation may fail if it attempts to increase the used memory such that used > committed even if used committed even if used <= max would still be true (for example, when the system is low on virtual memory). The amount of used and committed memory will always be less than or equal to max if max is defined. The maximum amount of memory may change over time if defined. Returns the maximum amount of memory (in bytes) that can be used for memory management. committed will always be greater than or equal to used. The JVM may release memory to the system and committed could be less than init. The amount of committed memory may change over time (increase or decrease). Returns the amount of memory (in bytes) that is guaranteed to be available for use by theJVM. Returns the amount of memory currently used (in bytes). TheJVM may request additional memory from the operating system and may also release memory to the system over time. Returns the initial amount of memory (in bytes) that theJVM requests from the OS for memory management during startup. Returns the approximate accumulated collection elapsed time in milliseconds. Returns the total number of collections that occurred. Returns the amount of used memory in bytes. Returns the initial amount of memory in bytes that the JVM allocates or -1 if undefined. ![]() Returns the maximum amount of memory in bytes that can be used or -1 if undefined. Returns the amount of committed memory in bytes. The amount of used memory in the returned memory usage is the amount of memory occupied by both live objects and garbage objects that have not been collected, if any. Returns the initial amount of memory in bytes that theJVM allocates or -1 if undefined. Returns the approximate number of objects for which finalization is pending. Returns the total number of classes unloaded since the JVM started. Returns the total number of classes loaded since the JVM started. Returns the number of classes that are currently loaded in the JVMs. You can add your own threshold limits as needed. Component monitorsĪll components may vary in a running environment. See the JMX section in Configure Linux/Unix systems for monitoring by the SolarWinds Platform agent in SAM.ĭependent on the JMX configuration. If using the SolarWinds Platform agent for Linux, the agent must be installed on the target Linux machine, the node must be managed using the agent within the SolarWinds Platform, and the target system must be configured properly. Target server configured to allow JMX queries on port 8686. JMX monitoring is disabled if FIPS mode is enabled on the SolarWinds Platform server. ![]() You can use the orio agent for Linux or use agentless monitoring via SNMP. This template monitors GlassFish server statistics by using the JMX protocol.
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