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From yanivG <yaniv.yancov...@gmail.com>
Subject Timeouts during major compaction
Date Tue, 17 Jun 2014 07:16:17 GMT
We are running major compaction once a week, on a 6 nodes hbase cluster.
We see that we are getting timeouts in our application.
We see also in JMX metrics the following:
1. compaction time avg was 200 seconds instead of 3 seconds
2. ParNew collection time was twice than usual
3. Compaction queue size was high
4. Region number increased at that time
5. Disk I\O read\write was high

Can we overcome it by tuning hbase to be more patient during major

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