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Michael Semb Wever commented on CASSANDRA-14834:
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latest circleci also looks good
[here|https://app.circleci.com/pipelines/github/aholmberg/cassandra?branch=CASSANDRA-14834].
> 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: Adam Holmberg
> Priority: Low
> Fix For: 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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