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From Jerome Boulon <>
Subject Re: Chukwa build
Date Tue, 24 Mar 2009 22:53:33 GMT
Ha ok, I didn't get any feedback on that one so I was assuming that nobody want to do it this
way ...
Ok so +1 on keeping the ChukwaJobTrackerInstrumentation in hadoop/contrib.


On 3/24/09 2:45 PM, "Ariel Rabkin" <> wrote:

Hi Jerome.

I thought your suggestion of keeping the
ChukwaJobTrackerInstrumentation in hadoop/contrib made a lot of sense.
That stuff gets linked into Hadoop at runtime, and most of the
versioning depdences are on Hadoop, not on Chukwa, since the agent
control protocol is reasonably stable at this point.

On Tue, Mar 24, 2009 at 3:34 PM, Jerome Boulon <> wrote:
> Hi Ari,
> How do you want to deal with Hadoop-Chukwa integration like JobTrackerInstrumentation
> For example I'm working on HADOOP-5565 to add 2 new methods.
> The Jira is for trunk and I hope that it will be back ported to the 20 branch.
> If it's not then we will have to deal with 2 versions of JobTrackerInstrumentation and
> 2 versions of org.apache.hadoop.mapred.ChukwaJobTrackerInstrumentation.
> Is that make sense to have different directories, that way we can support any hadoop
version moving forward.
> Chukwa/hadoop-0.20/
> ---jar/
> ---src/....ChukwaJobTrackerInstrumentation
> Chukwa/hadoop-XX/
> ---jar/
> ---src/....ChukwaJobTrackerInstrumentation
> /Jerome.

Ari Rabkin
UC Berkeley Computer Science Department

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