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From Nick Dimiduk <>
Subject Re: HTrace integration for more HDFS client operations
Date Fri, 16 Jan 2015 17:27:38 GMT
Nice one Colin!

On Fri, Jan 16, 2015 at 12:30 AM, Colin P. McCabe <>

> Hi all,
> I've got some good news that I figured I'd post to the list!  Today I added
> a bunch of htrace integrating to HDFS, in
>  This patch adds tracing
> for a whole host of DFS client operations, such as rename and delete.
> Obviously this will be helpful for HDFS users, and it should also increase
> our ability to follow HBase operations all the way back into HDFS via
> HTrace-- for example when HBase is deleting or moving a WAL, etc.
> The last big piece of HTrace integration for HDFS is integration into the
> output stream (i.e. the write path).  This should be coming soon, so stay
> tuned.
> cheers,
> Colin

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