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Posted to issues@hbase.apache.org by "Jason Rutherglen (JIRA)" <ji...@apache.org> on 2011/06/15 22:16:47 UTC

[jira] [Commented] (HBASE-3993) Alternatives to ConcurrentSkipListMap in MemStore

    [ https://issues.apache.org/jira/browse/HBASE-3993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13049996#comment-13049996 ] 

Jason Rutherglen commented on HBASE-3993:
-----------------------------------------

CSLM implements deletes, which we don't need, and consumes many object pointers which increases RAM consumption and can cause GC havoc.

> Alternatives to ConcurrentSkipListMap in MemStore
> -------------------------------------------------
>
>                 Key: HBASE-3993
>                 URL: https://issues.apache.org/jira/browse/HBASE-3993
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Jason Rutherglen
>            Priority: Minor
>
> This can be an umbrella issue for evaluating and testing alternatives to java.util.concurrent.ConcurrentSkipListMap in MemStore.

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