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Posted to commits@cassandra.apache.org by "Marcus Eriksson (JIRA)" <ji...@apache.org> on 2018/12/20 13:33:00 UTC
[jira] [Assigned] (CASSANDRA-14935) PendingAntiCompaction should be
more judicious in the compactions it cancels
[ https://issues.apache.org/jira/browse/CASSANDRA-14935?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Marcus Eriksson reassigned CASSANDRA-14935:
-------------------------------------------
Assignee: Marcus Eriksson
> PendingAntiCompaction should be more judicious in the compactions it cancels
> ----------------------------------------------------------------------------
>
> Key: CASSANDRA-14935
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14935
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Marcus Eriksson
> Assignee: Marcus Eriksson
> Priority: Major
> Fix For: 4.0
>
>
> PendingAntiCompaction currently cancels all ongoing compactions to be able to grab the sstables it requires - it should;
> * avoid stopping ongoing anticompactions - for example, if we have an sstable [0, 100] and are anticompacting it on [0, 50] - now if we start a new incremental repair on [51, 100] we will (try to) stop the first one. Instead we should fail the new incremental repair request.
> * avoid stopping unrelated regular compactions - we should only stop regular compactions for the sstables the new anticompaction needs
> This requires us to keep track of which sstables are being compacted by a given compaction id.
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