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https://issues.apache.org/jira/browse/CASSANDRA-5395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13615816#comment-13615816
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Jonathan Ellis commented on CASSANDRA-5395:
-------------------------------------------
Fixed a test failure and pushed to
http://github.com/jbellis/cassandra/tree/5395. (Original patches were also
half 1.2, half trunk. Now both against 1.2.)
> Compaction doesn't remove index entries as designed
> ---------------------------------------------------
>
> Key: CASSANDRA-5395
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5395
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.2.0
> Reporter: Jonathan Ellis
> Priority: Minor
> Fix For: 1.2.4
>
> Attachments: 5395-2.txt, 5395.txt
>
>
> PerColumnIndexUpdater ignores updates where the new value is a tombstone. It
> should still remove the index entry on oldColumn.
> (Note that this will not affect user-visible correctness, since
> KeysSearcher/CompositeSearcher will issue deletes against stale index
> entries, but having more stale entries than we "should" could affect
> performance.)
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