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From "Todd Lipcon (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5958) Replace ByteString.copyFrom with new ByteString()
Date Tue, 08 May 2012 18:13:48 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13270668#comment-13270668

Todd Lipcon commented on HBASE-5958:

The protobuf people have a strong reticence to allowing ByteString construction without a

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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