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https://issues.apache.org/jira/browse/CASSANDRA-14870?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Branimir Lambov updated CASSANDRA-14870:
----------------------------------------
Reviewer: ZhaoYang
Status: Patch Available (was: Open)
Patch for 3.11 linked, applies with insignificant changes to master too.
Incorporates CASSANDRA-14099 as that required the same change of order.
The LCS ordering test (by [~VincentWhite]) is copied from the CASSANDRA-14099
patch.
> The order of application of nodetool garbagecollect is broken
> -------------------------------------------------------------
>
> Key: CASSANDRA-14870
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14870
> Project: Cassandra
> Issue Type: Bug
> Reporter: Branimir Lambov
> Assignee: Branimir Lambov
> Priority: Major
>
> {{nodetool garbagecollect}} was intended to work from oldest sstable to
> newest, so that the collection in newer tables can purge tombstones over data
> that has been deleted.
> However, {{SSTableReader.maxTimestampComparator}} currently sorts in the
> opposite order (the order changed in CASSANDRA-13776 and then back in
> CASSANDRA-14010), which makes the garbage collection unable to purge any
> tombstones.
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