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https://issues.apache.org/jira/browse/HBASE-9683?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13797299#comment-13797299
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Elliott Clark commented on HBASE-9683:
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I'm a pretty strong -0 on this. While I think tracing is pretty awesome and
very useful. I'm very wary of doing anything to the RPC of 94. It's on 94.13.
That's pretty far into what should be stabilization.
> Port HTrace support to 0.94
> ----------------------------
>
> Key: HBASE-9683
> URL: https://issues.apache.org/jira/browse/HBASE-9683
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 0.94.12
> Reporter: Chao Shi
> Attachments: hbase-9683.patch, hbase-9683-v2.patch,
> hbase-9683-v3.patch, hbase-zipkin.png
>
>
> Port HTrace (HBASE-6524) to 0.94. This patch includes a wire-format change on
> writable RPC. It serializes the traceID and spanID in class Invocation. This
> should be compatible with old versions.
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