Hi, Is there a way I can easily restart the task trackers on a cluster created by Whirr?
Thanks Julien On 10 December 2013 20:15, Julien Nioche <lists.digitalpeb...@gmail.com>wrote: > After a bit of digging I found that my issue seems to be related to > https://issues.apache.org/jira/browse/MAPREDUCE-2980. The task trackers > get killed but the data nodes are fine. > > The logs show : > > 2013-12-10 10:07:16,179 FATAL org.apache.hadoop.mapred.JettyBugMonitor: > ************************************************************ > Jetty CPU usage: 46063220198.5%. This is greater than the fatal threshold > mapred.tasktracker.jetty.cpu.threshold.fatal. Aborting JVM. > ************************************************************ > > so not really a Whirr issue as such. > > Julien > > > > > On 10 December 2013 11:14, Julien Nioche <lists.digitalpeb...@gmail.com>wrote: > >> Hi, >> >> I am using Whirr to launch a Hadoop 1.2.1 cluster on EC2. The cluster is >> progressively losing slaves up to the point where it does not have any >> left, the slave instances are still alive and running though. >> >> I read somewhere that the conf/slaves file is not used by Whirr so I >> can't just add them back. >> >> Any idea of what could be wrong? >> >> Thanks >> >> Julien >> >> -- >> >> Open Source Solutions for Text Engineering >> >> http://digitalpebble.blogspot.com/ >> http://www.digitalpebble.com >> http://twitter.com/digitalpebble >> > > > > -- > > Open Source Solutions for Text Engineering > > http://digitalpebble.blogspot.com/ > http://www.digitalpebble.com > http://twitter.com/digitalpebble > -- Open Source Solutions for Text Engineering http://digitalpebble.blogspot.com/ http://www.digitalpebble.com http://twitter.com/digitalpebble
