And don't forget to set -XX:MaxDirectMemorySize (from 9.6.4.5.1. Enable SlabCache in the refguide -- http://hbase.apache.org/book.html). This you set where you pass your server JVM args.
St.Ack On Mon, Jul 28, 2014 at 12:21 PM, Stack <st...@duboce.net> wrote: > Probably a question for the cloudera hbase list? (Did you enter the block > cache configs via CM safety valve mechanism?) > Yours, > St.Ack > > > On Mon, Jul 28, 2014 at 11:54 AM, Gabriela Montiel < > gabriela.mont...@oracle.com> wrote: > >> >> Hi Shengzhe, >> >> We executed a rolling restart on HBase through Cloudera 5, but after >> completing the site retrieved the same configurations. >> >> Thanks, >> >> Gaby >> >> Sent from my Samsung Mobile >> >> >> -------- Original message -------- >> From: yao <yaosheng...@gmail.com> >> Date:28/07/2014 13:43 (GMT-06:00) >> To: dev@hbase.apache.org >> Subject: Re: How to validate HBase configuration (for region servers) >> from HBase admin page? >> >> Hi Gaby, >> >> Did you restart your regionservers ? If not, HBase won't pick up the >> up-to-date configuration. >> >> Best >> Shengzhe >> >> >> >> >> On Mon, Jul 28, 2014 at 11:38 AM, Ted Yu <yuzhih...@gmail.com> wrote: >> >> > bq. <source>hbase-site.xml</source> >> > >> > Can you check the hbase-site.xml which is in classpath of the region >> server >> > ? >> > >> > What release of hbase are you using ? >> > >> > Cheers >> > >> > >> > On Mon, Jul 28, 2014 at 11:28 AM, gabriela montiel < >> > gabriela.mont...@oracle.com> wrote: >> > >> > > Hi all, >> > > >> > > We have set up an HBase cluster with 10 region nodes. We modified the >> > > default configurations to handle bucket cache in the hbase-site.xml >> (for >> > > all region servers) as follows: >> > > >> > > <property> >> > > <name>hbase.regionserver.handler.count</name> >> > > <value>40</value> >> > > </property> >> > > <property> >> > > <name>hbase.bucketcache.ioengine</name> >> > > <value>offheap</value> >> > > </property> >> > > <property> >> > > <name>hbase.bucketcache.percentage.in.combinedcache</name> >> > > <value>0.8</value> >> > > </property> >> > > <property> >> > > <name>hbase.bucketcache.size</name> >> > > <value>40000</value> >> > > </property> >> > > >> > > However, when we access the HBase configuration page on the HBase Web >> > > admin, we are not able to see the updated configurations, even for the >> > ones >> > > not related to bucket cache: >> > > >> > > <property><name>hbase.regionserver.handler.count</ >> > > name><value>*30*</value><source>hbase-site.xml</source></property> >> > > >> > > >> > > Can you give us a hint on why the configurations are not seen in the >> > HBase >> > > configuration site, and how we can check out the HBase configuration >> for >> > > all region servers? >> > > >> > > Thanks, >> > > >> > > Gaby >> > > >> > > >> > > >> > > >> > > >> > > >> > > >> > > >> > > >> > > >> > >> > >
