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https://issues.apache.org/jira/browse/CASSANDRA-14888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16818196#comment-16818196
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Alex Deparvu commented on CASSANDRA-14888:
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There are a few more mbeans that don't unregister, not just the ones listed
here.
Proposed patch
[here|https://github.com/apache/cassandra/compare/trunk...stillalex:CASSANDRA-14888],
I also tried adding a new test (java, not dtest) based on an existing one, if
I got something wrong please let me know. I went for the simplest test there
is, I'm open to suggestions if there is a need to improve it right away.
> Several mbeans are not unregistered when dropping a keyspace and table
> ----------------------------------------------------------------------
>
> Key: CASSANDRA-14888
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14888
> Project: Cassandra
> Issue Type: Bug
> Components: Observability/Metrics
> Reporter: Ariel Weisberg
> Assignee: Dinesh Joshi
> Priority: Urgent
> Fix For: 4.0.x
>
>
> CasCommit, CasPrepare, CasPropose, ReadRepairRequests,
> ShortReadProtectionRequests, AntiCompactionTime, BytesValidated,
> PartitionsValidated, RepairPrepareTime, RepairSyncTime,
> RepairedDataInconsistencies, ViewLockAcquireTime, ViewReadTime,
> WriteFailedIdealCL
> Basically for 3 years people haven't known what they are doing because the
> entire thing is kind of obscure. Fix it and also add a dtest that detects if
> any mbeans are left behind after dropping a table and keyspace.
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