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


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jobtracker page @50030 timeout or take very long time.
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

Thanks
Patai