Re: Various performance questions

2016-04-29 Thread James Taylor
In 4.7+, take a look at the UPDATE_CACHE_FREQUENCY property for reducing the RPC calls made for the SYSTEM.CATALOG: https://phoenix.apache.org/#Altering James On Thu, Apr 28, 2016 at 10:30 PM, Lukáš Lalinský wrote: > On Fri, Apr 29, 2016 at 2:58 AM, Vladimir Rodionov

Re: Various performance questions

2016-04-28 Thread Lukáš Lalinský
On Fri, Apr 29, 2016 at 2:58 AM, Vladimir Rodionov wrote: > >> 2. Is it okay that one regionserver is 10x as loaded as others? > > Does this server host hbase:meta? > I think the high reqs/sec is actually caused by the Phoenix's system tables being on that regionserver,

Re: Various performance questions

2016-04-28 Thread Vladimir Rodionov
Probably https://issues.apache.org/jira/browse/HBASE-15654 Vote for it and ask developer to backport it to 1.1.x. -Vlad On Thu, Apr 28, 2016 at 6:14 PM, Michal Medvecky wrote: > Yes, it does. > > On Thu, Apr 28, 2016 at 5:58 PM, Vladimir Rodionov >

Re: Various performance questions

2016-04-28 Thread Vladimir Rodionov
>> 2. Is it okay that one regionserver is 10x as loaded as others? Does this server host hbase:meta? -Vlad On Thu, Apr 28, 2016 at 4:14 PM, Michal Medvecky wrote: > Hello, > > I have 7-node hbase cluster (6 regionservers/hdfs nodes, 1 master), with > one big table containing

Various performance questions

2016-04-28 Thread Michal Medvecky
Hello, I have 7-node hbase cluster (6 regionservers/hdfs nodes, 1 master), with one big table containing 500M+ entries. It's a heavy-write light-read database. 1. Is it okay that the table has 1000+ regions for 6 regionservers only? 2. Is it okay that one regionserver is 10x as loaded as