Re: Extremely high CPU usage after upgrading to Hbase 1.4.4

2018-09-04 Thread Vladimir Rodionov
Hi, Srinidhi Next time you will see this issue, take jstack of a RS several times in a row. W/o stack traces it is hard to tell what was going on with your cluster after upgrade. -Vlad On Tue, Sep 4, 2018 at 3:50 PM Srinidhi Muppalla wrote: > Hello all, > > We are currently running Hbase 1.3

Re: Query on rowkey distribution || Does RS and number of Region related with each other

2018-09-04 Thread Josh Elser
Manjeet -- you are still missing the fact that if you do not split your table into multiple regions, your data will not be distributed. Why do you think that your rowkey design means you can't split your table? On 9/3/18 6:09 AM, Manjeet Singh wrote: Hi Josh Sharing steps and my findings for

Extremely high CPU usage after upgrading to Hbase 1.4.4

2018-09-04 Thread Srinidhi Muppalla
Hello all, We are currently running Hbase 1.3.0 on an EMR cluster running EMR 5.5.0. Recently, we attempted to upgrade our cluster to using Hbase 1.4.4 (along with upgrading our EMR cluster to 5.16). After upgrading, the CPU usage for all of our region servers spiked up to 90%. The load_one for