Also there is a solution what i have found from hbase user guide that hbase.rpc.timeout must be greater than hbase.client.scanner.timeout.period. How these two properties plays a part in the above exception. Please can anyone explain?
On Wed, Dec 21, 2016 at 9:39 PM, Rajeshkumar J <rajeshkumarit8...@gmail.com> wrote: > I am using hbase version 1.1.1 > Also I didn't understand something here. Whenever a scanner.next() is > called it needs to return rows(based on caching value) within leasing > period or else scanner client will be closed eventually throwing this > exception. Correct me as I didn't get the clear understanding of this issue > > On Wed, Dec 21, 2016 at 7:31 PM, Ted Yu <yuzhih...@gmail.com> wrote: > >> Which hbase release are you using ? >> >> There is heartbeat support when scanning. >> Looks like the version you use doesn't have this support. >> >> Cheers >> >> > On Dec 21, 2016, at 4:02 AM, Rajeshkumar J <rajeshkumarit8...@gmail.com> >> wrote: >> > >> > Hi, >> > >> > Thanks for the reply. I have properties as below >> > >> > <property> >> > <name>hbase.regionserver.lease.period</name> >> > <value>900000</value> >> > </property> >> > <property> >> > <name>hbase.rpc.timeout</name> >> > <value>900000>/value> >> > </property> >> > >> > >> > Correct me If I am wrong. >> > >> > I know hbase.regionserver.lease.period, which says how long a scanner >> > lives between calls to scanner.next(). >> > >> > As far as I understand when scanner.next() is called it will fetch no >> > of rows as in *hbase.client.scanner.caching. *When this fetching >> > process takes more than lease period it will close the scanner object. >> > so this exception occuring? >> > >> > >> > Thanks, >> > >> > Rajeshkumar J >> > >> > >> > >> > On Wed, Dec 21, 2016 at 5:07 PM, Richard Startin < >> richardstar...@outlook.com >> >> wrote: >> > >> >> It means your lease on a region server has expired during a call to >> >> resultscanner.next(). This happens on a slow call to next(). You can >> either >> >> embrace it or "fix" it by making sure hbase.rpc.timeout exceeds >> >> hbase.regionserver.lease.period. >> >> >> >> https://richardstartin.com >> >> >> >> On 21 Dec 2016, at 11:30, Rajeshkumar J <rajeshkumarit8...@gmail.com< >> >> mailto:rajeshkumarit8...@gmail.com>> wrote: >> >> >> >> Hi, >> >> >> >> I have faced below issue in our production cluster >> >> >> >> org.apache.hadoop.hbase.regionserver.LeaseException: >> >> org.apache.hadoop.hbase.regionserver.LeaseException: lease '166881' >> does >> >> not exist >> >> at org.apache.hadoop.hbase.regionserver.Leases. >> >> removeLease(Leases.java:221) >> >> at org.apache.hadoop.hbase.regionserver.Leases. >> >> cancelLease(Leases.java:206) >> >> at >> >> org.apache.hadoop.hbase.regionserver.RSRpcServices. >> >> scan(RSRpcServices.java:2491) >> >> at >> >> org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ >> ClientService$2. >> >> callBlockingMethod(ClientProtos.java:32205) >> >> at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2114) >> >> at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:101) >> >> at >> >> org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExec >> utor.java:130) >> >> at org.apache.hadoop.hbase.ipc.RpcExecutor$1.run(RpcExecutor.java:107) >> >> at java.lang.Thread.run(Thread.java:744) >> >> >> >> >> >> Can any one explain what is lease exception >> >> >> >> Thanks, >> >> Rajeshkumar J >> >> >> > >
