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From "Sylvain Lebresne (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CASSANDRA-9596) Tombstone timestamps aren't used to skip SSTables while they are still in the memtable
Date Fri, 15 Jan 2016 16:53:39 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-9596?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sylvain Lebresne resolved CASSANDRA-9596.
-----------------------------------------
    Resolution: Duplicate

> Tombstone timestamps aren't used to skip SSTables while they are still in the memtable
> --------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-9596
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9596
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Richard Low
>             Fix For: 2.1.x
>
>
> If you have one SSTable containing a partition level tombstone at timestamp t and all
other SSTables have cells with timestamp < t, Cassandra will skip all the other SSTables
and return nothing quickly. However, if the partition tombstone is still in the memtable it
doesn’t skip any SSTables. It should use the same timestamp logic to skip all SSTables.



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