mbean¶
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*
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