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https://issues.apache.org/jira/browse/HBASE-3082?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13252712#comment-13252712
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Hudson commented on HBASE-3082:
-------------------------------
Integrated in HBase-TRUNK #2746 (See
[https://builds.apache.org/job/HBase-TRUNK/2746/])
HBASE-3443 ICV optimization to look in memstore first and then store files
(HBASE-3082) does not work when deletes are in the mix (Revision 1325406)
Result = SUCCESS
larsh :
Files :
* /hbase/trunk/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
*
/hbase/trunk/src/test/java/org/apache/hadoop/hbase/client/TestFromClientSide.java
> For ICV gets, first look in MemStore before reading StoreFiles
> --------------------------------------------------------------
>
> Key: HBASE-3082
> URL: https://issues.apache.org/jira/browse/HBASE-3082
> Project: HBase
> Issue Type: Improvement
> Components: regionserver
> Reporter: Jonathan Gray
> Assignee: Prakash Khemani
> Fix For: 0.90.0
>
> Attachments: HBASE-3082-FINAL.patch
>
>
> For incrementColumnValue operations, it is possible to check MemStore for the
> column being incremented without sacrificing correctness. If the column is
> not found in MemStore, we would then have to do a normal Get that
> opens/checks all StoreFiles for the given Store.
> In practice, this makes increment operations significantly faster for
> recently/frequently incremented columns.
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