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https://issues.apache.org/jira/browse/CASSANDRA-15516?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benedict Elliott Smith updated CASSANDRA-15516:
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Description: Moving my proposed patch for CASSANDRA-15367 here. Contended
memtable updates currently waste memtable memory each time they fail to apply.
This patch avoids this problem by ensuring we only copy data once onto the
memtable, and reconcile this new data for all future attempts to insert.
> Failed partition updates should not consume memtable space
> ----------------------------------------------------------
>
> Key: CASSANDRA-15516
> URL: https://issues.apache.org/jira/browse/CASSANDRA-15516
> Project: Cassandra
> Issue Type: Improvement
> Components: Local/Memtable
> Reporter: Benedict Elliott Smith
> Priority: Normal
>
> Moving my proposed patch for CASSANDRA-15367 here. Contended memtable
> updates currently waste memtable memory each time they fail to apply. This
> patch avoids this problem by ensuring we only copy data once onto the
> memtable, and reconcile this new data for all future attempts to insert.
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