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From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-12112) Avoid KeyValueUtil#ensureKeyValue some more simple cases
Date Tue, 30 Sep 2014 14:38:34 GMT

     [ https://issues.apache.org/jira/browse/HBASE-12112?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Anoop Sam John updated HBASE-12112:
-----------------------------------
    Attachment: HBASE-12112_V4.patch

> Avoid KeyValueUtil#ensureKeyValue some more simple cases
> --------------------------------------------------------
>
>                 Key: HBASE-12112
>                 URL: https://issues.apache.org/jira/browse/HBASE-12112
>             Project: HBase
>          Issue Type: Sub-task
>          Components: regionserver
>            Reporter: Anoop Sam John
>            Assignee: Anoop Sam John
>             Fix For: 2.0.0, 0.99.1
>
>         Attachments: HBASE-12112.patch, HBASE-12112_V2.patch, HBASE-12112_V2.patch, HBASE-12112_V4.patch
>
>
> This include fixes with
> - Replace KeyValue#heapSize() with CellUtil#estimatedHeapSizeOf(Cell)
> - Printing the key portion of a cell (rk+cf+q+ts+type). These are in Exception messages
> - HFilePrettyPrinter - Avoiding ensureKeyValue() calls and calls to cell#getxxx() which
involves bytes copying. This is not a hot area still we can avoid as much usage of deprecated
methods as possible in core code. I believe these bytes copying methods are used in many other
parts and later we can try fixing those as per area importance
> - Creating CellUtil#createKeyOnlyCell and using that in KeyOnlyFilter



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