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From "Branimir Lambov (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-14870) The order of application of nodetool garbagecollect is broken
Date Tue, 13 Nov 2018 11:11:00 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-14870?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Branimir Lambov updated CASSANDRA-14870:
----------------------------------------
       Resolution: Fixed
    Fix Version/s: 4.0
                   3.11.4
           Status: Resolved  (was: Ready to Commit)

> 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
>          Components: Compaction
>            Reporter: Branimir Lambov
>            Assignee: Branimir Lambov
>            Priority: Major
>             Fix For: 3.11.4, 4.0
>
>
> {{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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