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From Abhijit Pol <a...@rocketfuel.com>
Subject HBase cluster with heterogeneous resources
Date Sat, 09 Oct 2010 20:15:21 GMT
We are testing with 4 nodes HBase cluster out of which 3 machines are
identical with 64GB RAM and 6x1TB disks. and 4th machine has only 16GB RAM
and 2x1TB disks

We observe (from server side metrics) frequent latency spikes and RS suicide
~ every 8hrs from our 4th machine.

We do have overall heap size configured based on total RAM available but all
other configs are same across RSs

Is there a way to hint master to distribute regions based on
available resources?

We are using 0.89.20100924 branch. We have flop at default 0.3 and roughly
equal number of regions across all RSs.


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