[jira] [Closed] (HBASE-14117) Check DBEs where fields are being read from Bytebuffers but unused.

["Andrew Kyle Purtell (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-14117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andrew Kyle Purtell closed HBASE-14117.
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> Check DBEs where fields are being read from Bytebuffers but unused.
> -------------------------------------------------------------------
>
>                 Key: HBASE-14117
>                 URL: https://issues.apache.org/jira/browse/HBASE-14117
>             Project: HBase
>          Issue Type: Bug
>            Reporter: ramkrishna.s.vasudevan
>            Priority: Major
>
> {code}
> public Cell getFirstKeyCellInBlock(ByteBuff block) {
>     block.mark();
>     block.position(Bytes.SIZEOF_INT);
>     int keyLength = ByteBuff.readCompressedInt(block);
>     // TODO : See if we can avoid these reads as the read values are not getting used
>     ByteBuff.readCompressedInt(block);
> {code}
> In DBEs many a places we read the integers just to skip them. This JIRA is to see if we can avoid this and rather go position based, as per a review comment in HBASE-12213.



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