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From David Koch <ogd...@googlemail.com>
Subject One Region Server fails - all M/R jobs crash.
Date Fri, 22 Nov 2013 15:14:12 GMT

We experience reliability problems when running M/R jobs over HBase tables.
Specifically, it suffices for one Region Server to crash in order to fail
all M/R jobs.

My guess is that this is not normal with a replication factor of 3.

The HBase version is 0.94.6 installed as part of of Cloudera 4.4. HBase
settings are pre-sets. Cluster size is 30 machines.

What steps can I follow to improve the situation?

Thank you,


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