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cloudera manager delay in updating job and task progress and completion

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cloudera manager delay in updating job and task progress and completion

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Cloudera manager 5.5.1 is not updating mysql tables correctly. For example if the job is completed, still in CM we see it as running at when we traverse to "mapreduce" --> "mapreduce jobs". First we thought it could be that mysql which is used as backend is not updating correctly. Then I checked in mysql binary logs and found the signals or updates mysql is getting is delayed, it does not have any pattern, its random. Some times job completes and CM shows as completed after an hour or more.

 

We have another CM for different cluster that is at least 10 time more busy, but is getting updates immediately.

 

Has anybody seen similar issue and what could be causing this?. BTW, tried restarting all the server side services and agents, did'nt help.

 

Thanks

RK