Trying to run h2o on Hadoop cluster using h2o_on_hadoop script

[Tim Chan]

I'm trying to run the following command:

./h2o_on_hadoop -version=cdh3 -user=tchan -name_server=hdfs://10.128.92.80:8020 -job_tracker=hdfs://10.128.92.80:8021 -port=54321 -ice_root=/tmp -memory=4096

The job always fails on Hadoop with the following error:

java.lang.Throwable: Child Error

at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:242)

Caused by: java.io.IOException: Task process exit with nonzero status of 1.

at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:229)

What might be the problem?

[SriSatish Ambati]

Tim,

Apologies you ran into this. It's possible that the child process is asking for more resources than available on the node.

Our team are in the process of pushing out a more robust fix - one that uses the $hadoop jar h2o.jar approach. 

Please standby and thank you for your efforts.

thanks, Sri

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