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https://issues.apache.org/jira/browse/HBASE-20711?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16551190#comment-16551190
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Mike Drob commented on HBASE-20711:
-----------------------------------
[~stack] - are you still working on this?
> Save on a Cell iteration when writing
> -------------------------------------
>
> Key: HBASE-20711
> URL: https://issues.apache.org/jira/browse/HBASE-20711
> Project: HBase
> Issue Type: Sub-task
> Components: Performance
> Reporter: stack
> Assignee: stack
> Priority: Minor
> Attachments: HBASE-20711.branch-2.0.001.patch
>
>
> This is a minor savings. We were doing a spin through all Cells on receipt
> just to check their size when subsequently, we were doing an iteration of all
> Cells to insert. It manifest as a little spike in perf output. This change
> removes the purposed spin through Cells and just does size check as part of
> the general Cell insert (perf spike no longer shows but the cost of the size
> check still remains).
> There is also a minor bug fix where on receipt we were using the Puts row
> rather than the Cells row; client may have succeeded in submitting a Cell
> that disagreed with the hosting Mutation and it would have been written as
> something else altogether -- with the Puts row -- rather than being rejected.
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