Re: Lease Exception Errors When Running Heavy Map Reduce Job

2013-08-28 Thread Ameya Kanitkar
Any ideas? Anyone? On Wed, Aug 28, 2013 at 9:36 AM, Ameya Kanitkar wrote: > Thanks for your response. > > I checked namenode logs and I find following: > > 2013-08-28 15:25:24,025 INFO > org.apache.hadoop.hdfs.server.namenode.FSNamesystem: recoverLease: recover > lease [Lease. Holder: > DFSCli

Re: Lease Exception Errors When Running Heavy Map Reduce Job

2013-08-28 Thread Ameya Kanitkar
Thanks for your response. I checked namenode logs and I find following: 2013-08-28 15:25:24,025 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: recoverLease: recover lease [Lease. Holder: DFSClient_hb_rs_smartdeals-hbase14-snc1.snc1,60020,1377700014053_-346895658_25, pendingcreates: 1]

Re: Lease Exception Errors When Running Heavy Map Reduce Job

2013-08-28 Thread Ted Yu
>From the log you posted on pastebin, I see the following. Can you check namenode log to see what went wrong ? 1. Caused by: org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException: No lease on /hbase/.logs/smartdeals-hbase14-snc1.snc1,60020,1376944419197/smartdeals-hbase14-snc1.sn

Re: Lease Exception Errors When Running Heavy Map Reduce Job

2013-08-28 Thread Dhaval Shah
ver has already expired. Setting your setCaching value lower might help in this case Regards, Dhaval From: Ameya Kanitkar To: user@hbase.apache.org Sent: Wednesday, 28 August 2013 11:00 AM Subject: Lease Exception Errors When Running Heavy Map Reduce Job HI

Lease Exception Errors When Running Heavy Map Reduce Job

2013-08-28 Thread Ameya Kanitkar
HI All, We have a very heavy map reduce job that goes over entire table with over 1TB+ data in HBase and exports all data (Similar to Export job but with some additional custom code built in) to HDFS. However this job is not very stable, and often times we get following error and job fails: org.