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From "Alex Deparvu (Jira)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-14888) Several mbeans are not unregistered when dropping a keyspace and table
Date Sat, 23 Nov 2019 02:29:00 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-14888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16980628#comment-16980628
] 

Alex Deparvu commented on CASSANDRA-14888:
------------------------------------------

[~cnlwsu] thanks for the great feedback! I am interested in providing a more in-depth solution
to this, I'd just need a bit of guidance. Let me take another stab at it based on your observations
and we can continue from there.

> 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: Alex Deparvu
>            Priority: Urgent
>              Labels: patch-available
>             Fix For: 4.0, 4.0-rc
>
>         Attachments: CASSANDRA-14888.patch
>
>
> 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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