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https://issues.apache.org/jira/browse/HBASE-6524?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13438135#comment-13438135
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stack commented on HBASE-6524:
------------------------------

@Jonathan Sorry for delayed review.  Thanks for looking at the findbugs and 
javac stuff.  Probably not you as you figured.

On the patch:

You change hbase-site.xml license indent.  Would suggest you don't do that.  I 
can fix that on commit.

Is htrace up in  mvn central?

Why do we create a new instance of TInfo here rather than just use the one we 
have (presuming hasTinfo means the request has a TInfo?)?

+        call = new Call(id, param, this, responder, callSize, new TraceInfo(
+            request.getTinfo().getTraceId(), 
request.getTinfo().getParentId()));

Should say what a spanReceiverHost is.  When I load receivers, what kind of 
resources are we allocating?

Is that all it takes to add tracing?  That is pretty sweet.  I'd say this patch 
is close to commit.  See comments above.  You going to do a bit of a blog w/ 
fancy tracing pictures?    Something we could reference from the refguide?  Any 
more pretty pictures for us?





                
> Hooks for hbase tracing
> -----------------------
>
>                 Key: HBASE-6524
>                 URL: https://issues.apache.org/jira/browse/HBASE-6524
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Jonathan Leavitt
>         Attachments: htracehooks1.diff
>
>
> Includes the hooks that use [htrace|http://www.github.com/cloudera/htrace] 
> library to add dapper-like tracing to hbase.

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