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https://issues.apache.org/jira/browse/HBASE-10835?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13986365#comment-13986365
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Anoop Sam John commented on HBASE-10835:
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https://reviews.apache.org/r/20936
Also comment from Matt is fixed in this version.
> DBE encode path improvements
> ----------------------------
>
> Key: HBASE-10835
> URL: https://issues.apache.org/jira/browse/HBASE-10835
> Project: HBase
> Issue Type: Improvement
> Reporter: Anoop Sam John
> Assignee: Anoop Sam John
> Fix For: 0.99.0
>
> Attachments: HBASE-10835.patch, HBASE-10835_V2.patch,
> HBASE-10835_V3.patch
>
>
> Here 1st we write KVs (Cells) into a buffer and then passed to DBE encoder.
> Encoder again reads kvs one by one from the buffer and encodes and creates a
> new buffer.
> There is no need to have this model now. Previously we had option of no
> encode in disk and encode only in cache. At that time the read buffer from a
> HFile block was passed to this and encodes.
> So encode cell by cell can be done now. Making this change will need us to
> have a NoOp DBE impl which just do the write of a cell as it is with out any
> encoding.
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