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Increasing 'spark.locality.wait' to value 30000 forever? #25

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zma4 opened this issue Dec 17, 2015 · 2 comments
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Increasing 'spark.locality.wait' to value 30000 forever? #25

zma4 opened this issue Dec 17, 2015 · 2 comments

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@zma4
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zma4 commented Dec 17, 2015

I was trying to use h2o on a spark cluster launched through the spark-ec2 script on AWS. I follow the instruction at http://h2o-release.s3.amazonaws.com/sparkling-water/rel-1.5/6/index.html
At step 4, val h2oContext = new H2OContext(sc).start() a lot of "collect at H2OContextUtils.scala:54" were generated. The number of tasks inside grow exponentially, and it wouldn't proceed.
Does anyone have a tip on this? Thanks
@mmalohlava
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Make sure, that TCP/UDP ports are opened between instances: by default ports 54321 (TCP) and 54322 (TCP & UDP) are used.

@zma4
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zma4 commented Dec 18, 2015

Seems like I got a out-dated hadoop version. Update to 2.4 solved the issue. Thanks.

@zma4 zma4 closed this as completed Dec 18, 2015
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@mmalohlava @zma4