On Tue, Dec 8, 2009 at 10:22 AM, Gary Helmling <[email protected]> wrote: > Hi Edward, > > If you look at the bin/hbase shell script, you'll see that it adds separate > env variables to the master, regionserver, thrift and zookeeper processes > when running -- respectively: > > HBASE_MASTER_OPTS > HBASE_REGIONSERVER_OPTS > HBASE_THRIFT_OPTS > HBASE_ZOOKEEPER_OPTS > > So you just need to add lines for any of these you choose to > conf/hbase-env.sh. We should probably add commented out placeholders for > each of these in the default hbase-env.sh script with some explanation, > though. > > The equivalent stats to the web interface are exported as the following > MBeans: > > Master: > * hadoop:service=Master,name=MasterStatistics > * cluster_requests > * hadoop:service=HBase,name=RPCStatistics-<portnum> > * RpcProcessingTimeAvgTime > * RpcProcessingTimeMaxTime > * RpcProcessingTimeMinTime > * RpcProcessingTimeNumOps > * RpcQueueTimeAvgTime > * RpcQueueTimeMaxTime > * RpcQueueTimeMinTime > * RpcQueueTimeNumOps > > RegionServer: > * hadoop:service=RegionServer,name=RegionServerStatistics > * atomicIncrementTimeAvgTime > * atomicIncrementTimeMaxTime > * atomicIncrementTimeMinTime > * atomicIncrementTimeNumOps > * blockCacheCount > * blockCacheFree > * blockCacheHitRatio > * blockCacheSize > * memstoreSizeMB > * regions > * storefileIndexSizeMB > * storefiles > * stores > * hadoop:service=HBase,name=RPCStatistics-<portnum> > * RpcProcessingTimeAvgTime > * RpcProcessingTimeMaxTime > * RpcProcessingTimeMinTime > * RpcProcessingTimeNumOps > * RpcQueueTimeAvgTime > * RpcQueueTimeMaxTime > * RpcQueueTimeMinTime > * RpcQueueTimeNumOps > > > The heap usage stats (and many others) are available under the java.lang: > domain. > > If you haven't already, please see the JMX setup instructions: > http://hadoop.apache.org/hbase/docs/r0.20.2/metrics.html > > And if you've already read through that and are running into difficulties, > let us know what kinds of problems/errors you're seeing. > > Thanks, > Gary > > > On Tue, Dec 8, 2009 at 9:52 AM, Edward Capriolo <[email protected]>wrote: > >> List, >> >> I am interested in pulling the HBASE metrics with JMX. I notice one quick >> thing. >> >> Like hadoop-env hbase.env should have environment variables that allow >> setting options per daemon. >> >> Also I have noticed that even though I start a regionserver with JMX >> enabled, the information that appears in the HBase Web Interface >> is not found in JMX. >> >> request=0.0, regions=4, stores=7, storefiles=9, >> storefileIndexSize=0, >> memstoreSize=0, usedHeap=36, maxHeap=997, blockCacheSize=1719352, >> blockCacheFree=207563320, blockCacheCount=2, blockCacheHitRatio=83 >> >> The Zookeeper JMX is present when I start the zookeeper component, any >> ideas? O can I just get this information with the hbase client? >> >> Edward >> >
I think the problem may be that I am using the version from the cloudera testing repo and it predates the JMX support? Or has it been around for some time. Thanks for the great info. Edward
