[ 
https://issues.apache.org/jira/browse/PHOENIX-3839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16012864#comment-16012864
 ] 

Mujtaba Chohan commented on PHOENIX-3839:
-----------------------------------------

With HBASE-18000/HBase 1.3.1

{noformat}
INFO  [regionserver/localhost/127.0.0.1:0.leaseChecker] 
regionserver.RSRpcServices: Scanner 930 lease expired on region 
T,\x7F\xFF\xFE\xB7\x8C\xD4\x09\xCF017404812WfC   
,1494955820050.44900eecad4214ee0078b490517d5c13.

Failed after attempts=36, exceptions:
null, java.net.SocketTimeoutException: callTimeout=60000, callDuration=60119: 
Call to localhost/127.0.0.1:60579 failed on local exception: 
org.apache.hadoop.hbase.ipc.CallTimeoutException: Call id=2790, waitTime=60001, 
operationTimeout=60000 expired. row '' on table 'T' at 
region=T,,1494955820050.6e64409f6db8c5fce401b4216dcb35fc., 
hostname=localhost,60579,1494955479513, seqNum=578

        at 
org.apache.phoenix.util.ServerUtil.parseServerException(ServerUtil.java:116)
        at 
org.apache.phoenix.iterate.TableResultIterator.next(TableResultIterator.java:146)
        at 
org.apache.phoenix.iterate.LookAheadResultIterator$1.advance(LookAheadResultIterator.java:47)
        at 
org.apache.phoenix.iterate.LookAheadResultIterator.init(LookAheadResultIterator.java:59)
        at 
org.apache.phoenix.iterate.LookAheadResultIterator.peek(LookAheadResultIterator.java:73)
        at 
org.apache.phoenix.iterate.ParallelIterators$1.call(ParallelIterators.java:121)
        at 
org.apache.phoenix.iterate.ParallelIterators$1.call(ParallelIterators.java:106)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at 
org.apache.phoenix.job.JobManager$InstrumentedJobFutureTask.run(JobManager.java:183)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
{noformat}

While building a global index.

[~samarthjain]

> Prevent large aggregate queries from timing out
> -----------------------------------------------
>
>                 Key: PHOENIX-3839
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-3839
>             Project: Phoenix
>          Issue Type: Bug
>            Reporter: James Taylor
>            Assignee: Samarth Jain
>
> Large aggregate queries timeout in Phoenix, even with our renew lease code in 
> place. The only workaround is to increase the RPC timeout to be really high 
> which is not such a good idea. It's quite possible HBASE-18000 is the root 
> cause. Would it be possible to test that theory on master (i.e. with HBase 
> 1.3 plus the patch for HBASE-18000), [~samarthjain] & [~mujtabachohan]?



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