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Posted to commits@cassandra.apache.org by "C. Scott Andreas (Jira)" <ji...@apache.org> on 2020/10/07 03:53:00 UTC

[jira] [Updated] (CASSANDRA-14834) Avoid keeping StreamingTombstoneHistogramBuilder.Spool in memory during the whole compaction

     [ https://issues.apache.org/jira/browse/CASSANDRA-14834?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

C. Scott Andreas updated CASSANDRA-14834:
-----------------------------------------
    Fix Version/s:     (was: 4.0-triage)

> Avoid keeping StreamingTombstoneHistogramBuilder.Spool in memory during the whole compaction
> --------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-14834
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14834
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Local/Compaction
>            Reporter: Marcus Eriksson
>            Assignee: Marcus Eriksson
>            Priority: Low
>             Fix For: 4.0, 4.0-beta
>
>
> Since CASSANDRA-13444 {{StreamingTombstoneHistogramBuilder.Spool}} is allocated to keep around an array with 131072 * 2 * 2 integers *per written sstable* during the whole compaction. With LCS at times creating 1000s of sstables during a compaction it kills the node.



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