When using the "Collect New" option in the Thread Dumps tab in Workstation Investigator to collect thread dumps for an agent, the following error was prompted:
Agent is busy taking thread dump.Please try after some time.
The default number of agents to get thread dump is 25. If a new agent connected after this limit is reached, this error would be prompted.
Below are two solutions to adddress this error:
1) Disable the thread dump feature for agents in which thread dumps are not needed. This can be achieved by setting the following properties in the in IntroscopeAgent.profile:
2) Increase introscope.enterprisemanager.threaddump.perftune.cache property with appropriate value(upperbound 40) in IntroscopeEnterpriseManager.properties file of EM. An EM restart is required after making changes to this properties.
Note: The increase in this value would affect the performance of Introscope Enterprise Manager.