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Posted to dev@hbase.apache.org by "Erik Holstad (JIRA)" <ji...@apache.org> on 2009/06/17 17:50:07 UTC
[jira] Commented: (HBASE-685) [Performance] Alternative to
synchronized SortedMap
[ https://issues.apache.org/jira/browse/HBASE-685?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12720725#action_12720725 ]
Erik Holstad commented on HBASE-685:
------------------------------------
I would say that we have come a long way with this issue, even thought we haven't found a faster alternative to the synchronized sortedmap, but we have cut down on the use of it which
contributes to the overall speed improvement.
> [Performance] Alternative to synchronized SortedMap
> ---------------------------------------------------
>
> Key: HBASE-685
> URL: https://issues.apache.org/jira/browse/HBASE-685
> Project: Hadoop HBase
> Issue Type: Improvement
> Reporter: stack
>
> Over in HBASE-684, LN suggests that we should find alternative to synchronized sortedmap; its used all over the place in hbase so a faster alternative should improve thoughput. That synchronized sortedmap is less than perfect has been known from earliest days (see cafarella comment at head of HStore#internalGet in 0.1 branch.
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