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From "Kurt Greaves (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-13142) Upgradesstables cancels compactions unnecessarily
Date Wed, 24 May 2017 09:23:04 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-13142?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16022595#comment-16022595
] 

Kurt Greaves commented on CASSANDRA-13142:
------------------------------------------

Thanks Marcus - I'll get to this in the next few weeks hopefully.

> Upgradesstables cancels compactions unnecessarily
> -------------------------------------------------
>
>                 Key: CASSANDRA-13142
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13142
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Kurt Greaves
>            Assignee: Kurt Greaves
>         Attachments: 13142-v1.patch
>
>
> Since at least 1.2 upgradesstables will cancel any compactions bar validations when run.
This was originally determined as a non-issue in CASSANDRA-3430 however can be quite annoying
(especially with STCS) as a compaction will output the new version anyway. Furthermore, as
per CASSANDRA-12243 it also stops things like view builds and I assume secondary index builds
as well which is not ideal.
> We should avoid cancelling compactions unnecessarily.



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