Thank you all, very helpful information. 1) for server side ELB, what is the PQS health check url path?
2) Does Phoenix client library support client-side load-balancing? i. e client gets list of PQS addresses from ZK, and performs load balancing. Thus ELB won't be needed. On Wed, Aug 7, 2019, 9:01 AM Josh Elser <els...@apache.org> wrote: > Great answer, Aleksandr! > > Also worth mentioning there is only ever one active HBase Master at a > time. If you have multiple started, one will be active as the master and > the rest will be waiting as a standby in case the current active master > dies for some reason (expectedly or unexpectedly). > > On 8/7/19 9:55 AM, Aleksandr Saraseka wrote: > > Hello. > > - Phoenix libs should be installed only on RegionServers. > > - QueryServer - it's up to you, PQS can be installed anywhere you want > > - No. QueryServer is using ZK quorum to get everything it needs > > - If you need to balance traffic with multiply PQSs - then yes, but > > again - it's up to you. It is not required multiply PQSs if you have > > multiply HBase masters. > > > > On Wed, Aug 7, 2019 at 12:58 AM jesse <chat2je...@gmail.com > > <mailto:chat2je...@gmail.com>> wrote: > > > > Our cluster used to have one hbase master, now a secondary is added. > > For phonenix, what changes should we make? > > - do we have to install new hbase libraries on the new hbase > > master node? > > - do we need to install new query server on the hbase master? > > - any configuration changes should we make? > > - do we need an ELB for the query server? > > > > Thanks > > > > > > > > > > > > -- > > Aleksandr Saraseka > > DBA > > 380997600401 > > <tel:380997600401> *•* asaras...@eztexting.com > > <mailto:asaras...@eztexting.com> *•* eztexting.com > > < > http://eztexting.com?utm_source=WiseStamp&utm_medium=email&utm_term=&utm_content=&utm_campaign=signature> > > > > > > > < > http://facebook.com/eztexting?utm_source=WiseStamp&utm_medium=email&utm_term=&utm_content=&utm_campaign=signature> > > > < > http://linkedin.com/company/eztexting/?utm_source=WiseStamp&utm_medium=email&utm_term=&utm_content=&utm_campaign=signature> > > > < > http://twitter.com/eztexting?utm_source=WiseStamp&utm_medium=email&utm_term=&utm_content=&utm_campaign=signature> > > > < > https://www.youtube.com/eztexting?utm_source=WiseStamp&utm_medium=email&utm_term=&utm_content=&utm_campaign=signature> > > > < > https://www.instagram.com/ez_texting/?utm_source=WiseStamp&utm_medium=email&utm_term=&utm_content=&utm_campaign=signature> > > > < > https://www.facebook.com/alex.saraseka?utm_source=WiseStamp&utm_medium=email&utm_term=&utm_content=&utm_campaign=signature> > > > < > https://www.linkedin.com/in/alexander-saraseka-32616076/?utm_source=WiseStamp&utm_medium=email&utm_term=&utm_content=&utm_campaign=signature > > > > >