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From "Jonathan Gray (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (HBASE-3082) For ICV gets, first look in MemStore before reading StoreFiles
Date Tue, 05 Oct 2010 19:35:32 GMT

     [ https://issues.apache.org/jira/browse/HBASE-3082?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Gray reassigned HBASE-3082:
------------------------------------

    Assignee: Prakash Khemani

> 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
>
> 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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