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From "Anoop Sam John (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-12213) HFileBlock backed by Array of ByteBuffers
Date Tue, 16 Jun 2015 07:53:01 GMT

     [ https://issues.apache.org/jira/browse/HBASE-12213?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Anoop Sam John updated HBASE-12213:
-----------------------------------
    Assignee: ramkrishna.s.vasudevan  (was: Anoop Sam John)

> HFileBlock backed by Array of ByteBuffers
> -----------------------------------------
>
>                 Key: HBASE-12213
>                 URL: https://issues.apache.org/jira/browse/HBASE-12213
>             Project: HBase
>          Issue Type: Sub-task
>          Components: regionserver, Scanners
>            Reporter: Anoop Sam John
>            Assignee: ramkrishna.s.vasudevan
>
> In L2 cache (offheap) an HFile block might have been cached into multiple chunks of buffers.
If HFileBlock need single BB, we will end up in recreation of bigger BB and copying. Instead
we can make HFileBlock to serve data from an array of BBs.



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