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Posted to common-dev@hadoop.apache.org by Dmitry <dm...@hotmail.com> on 2007/07/20 05:55:16 UTC

using hadoop with logging in distr mode

hey, have question about logging sytem in distributed mode in Hadoop, trying to set conf on 3 machines - hadoop instances and have on each machine logging,, but looks like there are no logs after running, just start working with logging configuration for hadoop, please advice

thanks
www.ejinz.com

Re: using hadoop with logging in distr mode

Posted by Arun C Murthy <ar...@yahoo-inc.com>.

On Thu, Jul 19, 2007 at 10:55:16PM -0500, Dmitry wrote:
>hey, have question about logging sytem in distributed mode in Hadoop, trying to set conf on 3 machines - hadoop instances and have on each machine logging,, but looks like there are no logs after running, just start working with logging configuration for hadoop, please advice
>
Are you seeing no logs for map/reduce tasks or the hadoop daemons (i.e. NN/DN/JT/TT) ?

The logs for hadoop daemons should be in your ${HADOOP_LOG_DIR} and the logs for the map/reduce tasks should be in ${HADOOP_LOG_DIR}/userlogs/${taskid} ... hope that helps.

Arun

>thanks
>www.ejinz.com