[jira] [Updated] (HBASE-24658) Update PolicyBasedChaosMonkey to handle uncaught exceptions

["Guanghao Zhang (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-24658?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guanghao Zhang updated HBASE-24658:
-----------------------------------
    Fix Version/s:     (was: 2.2.7)
                   2.2.6

> Update PolicyBasedChaosMonkey to handle uncaught exceptions
> -----------------------------------------------------------
>
>                 Key: HBASE-24658
>                 URL: https://issues.apache.org/jira/browse/HBASE-24658
>             Project: HBase
>          Issue Type: Task
>          Components: integration tests
>            Reporter: Nick Dimiduk
>            Assignee: Nick Dimiduk
>            Priority: Minor
>             Fix For: 3.0.0-alpha-1, 2.3.1, 1.7.0, 2.4.0, 2.2.6
>
>
> Running {{ServerKillingChaosMonkey}} via {{RESTApiClusterManager}} for any duration of time slowly leaks region servers. I see failures on the RESTApi side go unreported on the ChaosMonkey side. It seems like {{RuntimeExceptions}} are being thrown and lost.
> {{PolicyBasedChaosMonkey}} uses a primitive means of thread management anyway. Update to use a thread pool, thread groups, and an uncaughtExceptionHandler.



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