Re: Call to namenode fails (java.io.EOFException)

2011-05-13 Thread highpointe
Bounce mapred and TT on the node Sent from my iPhone On May 12, 2011, at 3:56 PM, Sidney Simmons ssimm...@nmitconsulting.co.uk wrote: Hi there, Apologies if this comes through twice but i sent the mail a few hours ago and haven't seen it on the mailing list. I'm experiencing some

Re: Call to namenode fails (java.io.EOFException)

2011-05-13 Thread Sidney Simmons
It's not a single node. It occurs on multiple nodes at (seemingly) random points throughout the day. Should we be performing period restarts of the processes / datanode servers ? On 13 May 2011 07:02, highpointe highpoint...@gmail.com wrote: Bounce mapred and TT on the node Sent from my

Call to namenode fails (java.io.EOFException)

2011-05-12 Thread Sidney Simmons
Hi there, Apologies if this comes through twice but i sent the mail a few hours ago and haven't seen it on the mailing list. I'm experiencing some unusual behaviour on our 0.20.2 hadoop cluster. Randomly (periodically), we're getting Call to namenode failures on tasktrackers causing tasks to