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https://issues.apache.org/jira/browse/HBASE-5958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13270668#comment-13270668
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Todd Lipcon commented on HBASE-5958:
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The protobuf people have a strong reticence to allowing ByteString construction
without a copy.
One solution would be to switch to protostuff, which does allow this kind of
thing, but would be a bigger change. (though it's still wire-compatible)
> Replace ByteString.copyFrom with new ByteString()
> -------------------------------------------------
>
> Key: HBASE-5958
> URL: https://issues.apache.org/jira/browse/HBASE-5958
> Project: HBase
> Issue Type: Improvement
> Components: performance
> Affects Versions: 0.96.0
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Fix For: 0.96.0
>
>
> ByteString.copyFrom makes a copy of a byte array in case it is changed in
> other thread.
> In most case, we don't need to worry about that. We should avoid copying the
> bytes
> for performance issue.
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