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Hadoop >> mail # dev >> TaskTracker not starting on all nodes


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Re: TaskTracker not starting on all nodes

(Removing common-dev, because this isn't a dev question)

On Feb 26, 2011, at 7:25 AM, bikash sharma wrote:

> Hi,
> I have a 10 nodes Hadoop cluster, where I am running some benchmarks for
> experiments.
> Surprisingly, when I initialize the Hadoop cluster
> (hadoop/bin/start-mapred.sh), in many instances, only some nodes have
> TaskTracker process up (seen using jps), while other nodes do not have
> TaskTrackers. Could anyone please explain?

Check your logs.
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB