HI Mukesh, Did you try to change logging levels in in $HBASE_CONF_DIR/log4j.properties? You can enable this lines to get debug info in lour logs:
# Enable this to get detailed connection error/retry logging. # log4j.logger.org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation=TRACE # Uncomment this line to enable tracing on _every_ RPC call (this can be a lot of output) #log4j.logger.org.apache.hadoop.ipc.HBaseServer.trace=DEBUG Regards Samir On Mon, Nov 30, 2015 at 10:14 AM, Mukesh Jha <[email protected]> wrote: > Any clue guys? > > Because of this I am getting a lot of slow scans. > > From HBase Regionserver logs > > hbase5.usdc2.cloud.com 2015-11-30 09:10:53,592 WARN > org.apache.hadoop.ipc.RpcServer: (responseTooSlow): > > {"processingtimems":10630,"call":"Scan(org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ScanRequest)","client":" > 10.193.150.127:37070 > > ","starttimems":1448874642962,"queuetimems":1,"class":"HRegionServer","responsesize":12,"method":"Scan"} > > > On Fri, Nov 27, 2015 at 11:41 PM, Mukesh Jha <[email protected]> > wrote: > > > I'm working with cloudera hbase v0.98, my HBase table has ~5k regions. > > > > From the cloudera UI charts i see a lot of get & scan operations active > on > > my table even after i shut down all the reader applications. > > > > I'm suspecting that this is impacting my scan performance. > > > > So I'd like to know if there is a way by which i can identify the hosts > > calling these get/scan operations? I tried netstat and similar linux > > commands without much luck. > > > > > > -- > > > Thanks & Regards, > > *Mukesh Jha <[email protected]>* >
