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From C J <c.josh...@yahoo.com>
Subject Re: Child processes on datanodes/task trackers
Date Thu, 26 Aug 2010 02:28:26 GMT
Thanks for your reply.

Some of these child tasks belong to successful jobs. I am wondering why they are 
still hanging there for long finished jobs.

From: Ted Yu <yuzhihong@gmail.com>
To: general@hadoop.apache.org
Sent: Wed, August 25, 2010 4:17:38 PM
Subject: Re: Child processes on datanodes/task trackers

Use jps to find out pid of the Child.
Then use this to find out which job the Child belongs to:
ps aux | grep <pid>

On Wed, Aug 25, 2010 at 12:20 PM, C J <c.joshi26@yahoo.com> wrote:

> Hi,
> I wanted to know why I see running Child processes on my datanodes even
> though
> there is no job running at that time. Are these left over from failed
> attempts?
> Is there anything I can do to keep these clean?
> Thanks,
> Deepika

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