Re: Improving on MTTR of cluster [Hbase - 1.1.13]

2018-09-27 Thread sahil aggarwal
just FYI, increasing hbase.regionserver.executor.openregion.threads helped significantly(from 20-25 mins to <2mins for ~2200 regions on 4 RS). Have created patch to document this https://jira.apache.org/jira/projects/HBASE/issues/HBASE-21186?filter=myopenissues . On Tue, 11 Sep 2018 at 17:33,

Re: Improving on MTTR of cluster [Hbase - 1.1.13]

2018-09-11 Thread sahil aggarwal
Thanks Ted. Even regarding the field hbase.assignment.usezk=true, it seems like it requires hbase:meta and hmaster to be co-hosted but http://hbase.apache.org/2.0/book.html#upgrade2.0.regions.on.master this says that "Master hosting regions" feature broken and unsupported. Is there anything else

Re: Improving on MTTR of cluster [Hbase - 1.1.13]

2018-09-10 Thread Ted Yu
For the second config you mentioned, hbase.master.distributed.log.replay, see http://hbase.apache.org/book.html#upgrade2.0.distributed.log.replay FYI On Mon, Sep 10, 2018 at 8:52 AM sahil aggarwal wrote: > Hi, > > My cluster has around 50k regions and 130 RS. In case of unclean shutdown, > the