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From Patai Sangbutsarakum <silvianhad...@gmail.com>
Subject xcievers
Date Thu, 07 Feb 2013 19:32:33 GMT
Hello Hadoopers,

How's your cluster behave today ?? hope they run well and strong.

In the past or some bad days i saw 'Too many fetch-failure'; it was
fixed by adjusting dfs.datanode.max.xcievers to 6k.

I am still curious, how do we monitor the consumption of this value in
each datanode. I am looking it like other resource in system that
should be monitored and see the trend; probably can do a heatmap on
this metric. So we can possibly pinpoint the potential problem too.

Is this metric exposed in someway ?


Thanks
Patai

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