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From Ted Yu <yuzhih...@gmail.com>
Subject Re: Balancer switch runs causing problems
Date Tue, 28 Jan 2014 03:37:31 GMT
In HMaster#balance(), we have (same for 0.94 and 0.96):

        for (RegionPlan plan: plans) {
          LOG.info("balance " + plan);

Do you see such log in master log ?


On Mon, Jan 27, 2014 at 7:26 PM, Varun Sharma <varun@pinterest.com> wrote:

> We are seeing one other issue with high read latency (p99 etc.) on one of
> our read heavy hbase clusters which is correlated with the balancer runs -
> every 5 minutes.
>
> If there is no balancing to do, does the balancer only scan the table every
> 5 minutes - does it do anything on top of that if the regions are balanced
> ?
>
> Varun
>

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