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https://issues.apache.org/jira/browse/HBASE-7319?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13962594#comment-13962594
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ramkrishna.s.vasudevan commented on HBASE-7319:
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ScanQueryMatcher is changable. For now it will still work with KeyValues.
Will take it up in a follow up issue. It is a core area and so wanted to do it
separately after making sure that these changes does not affect the other read
areas.
For the DBE part see HBASE-10801 and the patch attached there. This change
combined with HBASE-10801 would speed up reads using DBE because we could avoid
the deep copy while doing getKeyValue.
See
https://issues.apache.org/jira/browse/HBASE-10801?focusedCommentId=13941459&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13941459.
> Extend Cell usage through read path
> -----------------------------------
>
> Key: HBASE-7319
> URL: https://issues.apache.org/jira/browse/HBASE-7319
> Project: HBase
> Issue Type: Umbrella
> Components: Compaction, Performance, regionserver, Scanners
> Reporter: Matt Corgan
> Attachments: HBASE-7319.patch
>
>
> Umbrella issue for eliminating Cell copying.
> The Cell interface allows us to work with a reference to underlying bytes in
> the block cache without copying each Cell into consecutive bytes in an array
> (KeyValue).
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