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https://issues.apache.org/jira/browse/HBASE-3082?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Gray updated HBASE-3082:
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Attachment: HBASE-3082-FINAL.patch
Patch being committed. This patch is from Prakash and reviewed/approved by
Ryan.
I cleaned up some of the comments and lines >80 and also one minor change from
patch up on RB. I'm also working on HBASE-2946 right now and changed the
getLastIncrement() method to support multiple columns rather than just one.
> 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
> 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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