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Posted to commits@cassandra.apache.org by "Pavel Yaskevich (JIRA)" <ji...@apache.org> on 2013/05/01 05:54:18 UTC

[jira] [Commented] (CASSANDRA-5521) move IndexSummary off heap

    [ https://issues.apache.org/jira/browse/CASSANDRA-5521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13646352#comment-13646352 ] 

Pavel Yaskevich commented on CASSANDRA-5521:
--------------------------------------------

Have we considered using vint encoding on those arrays as we keep them in memory anyway to minimize space consumption?
                
> move IndexSummary off heap
> --------------------------
>
>                 Key: CASSANDRA-5521
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5521
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Jonathan Ellis
>            Assignee: Vijay
>             Fix For: 2.0
>
>
> IndexSummary can still use a lot of heap for narrow-row sstables.  (It can also contribute to memory fragmentation because of the large arrays it creates.)

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