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MapReduce >> mail # user >> jobtracker page @50030 timeout or take very long time.

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RE: jobtracker page @50030 timeout or take very long time.
... another thought... do you happened to have some ungracefully  terminated jobs still running in the background..
Try "hadoop job -list"

Sometimes, when I hardstop a job  and restart a new one, I notice a slow down until I kill those jobs gracefully by running "hadoop job -kill <job-id> ". The job-ids are displayed by that previous command.
From: Robert Molina [mailto:[EMAIL PROTECTED]]
Sent: Thursday, November 01, 2012 5:31 PM
Subject: Re: jobtracker page @50030 timeout or take very long time.

Hi Patai,
Have you looked into verifying if it is network related, maybe see what the ping responses are to that node?
On Thu, Nov 1, 2012 at 1:47 PM, Patai Sangbutsarakum <[EMAIL PROTECTED]<mailto:[EMAIL PROTECTED]>> wrote:
I have a check monitoring the page jobtracker:50030/jobtracker.jsp,
and the check shows timeout (180 sec) pretty often.
Once I jump and browse to the page it actually take me from 5 sec to 5
minutes to render.

the heap size is 12G. from top command it is not used up.

CPU load is 1 ish (in all 5, 10, 15 load)

disk is far from full

Swap is untouched
Any input for how to troubleshoot this will be useful and greatly grateful


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