Re: Hbase Error When running Map reduce

2015-01-22 Thread Ted Yu
Nishanth : Please also tell us which hbase release you're using. See if there was log similar to the following in region server logs: 2015-01-21 20:07:12,780 WARN [JvmPauseMonitor] util.JvmPauseMonitor: Detected pause in JVM or host machine (eg GC): pause of approximately 72135ms On Thu, Jan 22

Re: Hbase Error When running Map reduce

2015-01-22 Thread Esteban Gutierrez
Hi Nishanth, There are too many things that might be causing that problem and might depend on your cluster deployment (cluster size, network, spindles, etc.) or even related to the key design or how you are using filters in the scanner that triggers the timeout. Have you looked into if the regions

Hbase Error When running Map reduce

2015-01-22 Thread Nishanth S
Hi All, I am running a map reduce job which scans the hbase table for a particular time period and then creates some files from that.The job runs fine for 10 minutes or so and few around 10% of maps get completed succesfully.Here is the error that I am getting.Can some one help? 15/01/22 19:34: