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2.2 KiB
2.2 KiB
mbean
::: tip show Mbean information :::
This command can show or monitor Mbean attribute information.
Parameters
| Name | Specification |
|---|---|
| name-pattern | pattern for the Mbean name |
| attribute-pattern | pattern for the attribute name |
| [m] | show meta information |
| [i:] | specify the interval to refresh attribute value (ms) |
| [n:] | execution times |
| [E] | turn on regex matching while the default mode is wildcard matching. Only effect on the attribute name |
Usage
show all Mbean names:
mbean
show meta data of Mbean:
mbean -m java.lang:type=Threading
show attributes of Mbean:
mbean java.lang:type=Threading
Mbean name support wildcard matcher:
mbean java.lang:type=Th*
::: warning Notes：ObjectName matching rules differ from normal wildcards, Reference resources：javax.management.ObjectName :::
Wildcards match specific attributes:
mbean java.lang:type=Threading *Count
Switch to regular matching using the -E command:
mbean -E java.lang:type=Threading PeakThreadCount|ThreadCount|DaemonThreadCount
Real-time monitoring using -i command:
mbean -i 1000 java.lang:type=Threading *Count
Real-time monitoring using -i with number of times the command will be executed using -n command (100 times by default):
mbean -i 1000 -n 50 java.lang:type=Threading *Count