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https://issues.apache.org/jira/browse/HBASE-15820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15281522#comment-15281522
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Anoop Sam John commented on HBASE-15820:
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We don't really use CellCodec. And one more thing to consider is that reusing
the byte[] keep its ref active for longer time and possibly not allow to die in
young gen. It depends on the usage. Still some thing to consider.. For very
small sized byte[] not that much relevant may be. But for large sized byte[]
some thing to really consider.
> Re-using byte[] from Bytes can save some objects creations
> ----------------------------------------------------------
>
> Key: HBASE-15820
> URL: https://issues.apache.org/jira/browse/HBASE-15820
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.0.0
> Reporter: Jean-Marc Spaggiari
> Assignee: Jean-Marc Spaggiari
> Priority: Minor
>
> HBASE-15233 will allow byte arrays re-usage for Bytes.toBytes() methods.
> CellCodec can benefit from that in many places.
> Patch will follow as soon as there is one in HBASE-15233.
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