Re: Map Reduce jobs taking a long time at the end

2012-12-06 Thread Jay Whittaker
Thanks and Regards, S SYED ABDUL KATHER On Wed, Dec 5, 2012 at 9:53 PM, Jay Whittaker [via Lucene] ml-node+s472066n402449...@n3.nabble.com wrote: Hey Ac, The logs I copied were from the .out files while a job was running. I thought that would be the best way to get

Map Reduce jobs taking a long time at the end

2012-12-04 Thread Jay Whittaker
Hey, We are running Map reduce jobs against a 12 machine hbase cluster and for a long time they took approx 30 mins to return a result against ~95 million rows. Without any major changes to the data or any upgrade of hbase/hadoop they now seem to be taking about 4 hours. and the logs are full of