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Re: Java Heap space error - Hadoop - [mail # user]
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...Sorry for multiple emails. I did find: 2012-03-05 17:26:35,636 INFO org.apache.pig.impl.util.SpillableMemoryManager: first memory handler call- Usage threshold init = 715849728(699072...
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Author: Mohit Anchlia,
2012-03-06, 01:49
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Re: Java Heap space error - Hadoop - [mail # user]
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...All I see in the logs is: 2012-03-05 17:26:36,889 FATAL org.apache.hadoop.mapred.TaskTracker: Task: attempt_201203051722_0001_m_000030_1 - Killed : Java heap space Looks like ta...
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Author: Mohit Anchlia,
2012-03-06, 01:46
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Java Heap space error - Hadoop - [mail # user]
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...I currently have java.opts.mapred set to 512MB and I am getting heap space errors. How should I go about debugging heap space issues?...
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Author: Mohit Anchlia,
2012-03-06, 01:03
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Re: AWS MapReduce - Hadoop - [mail # user]
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...On Mon, Mar 5, 2012 at 7:40 AM, John Conwell wrote: and not EBS. Also, is it possible to share some of your findings? ...
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Author: Mohit Anchlia,
2012-03-05, 17:29
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Re: AWS MapReduce - Hadoop - [mail # user]
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...As far as I see in the docs it looks like you could also use hdfs instead of s3. But what I am not sure is if these are local disks or EBS. On Sun, Mar 4, 2012 at 2:27 AM, Hannes Carl ...
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Author: Mohit Anchlia,
2012-03-04, 16:51
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Re: AWS MapReduce - Hadoop - [mail # user]
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...I think found answer to this question. However, it's still not clear if HDFS is on local disk or EBS volumes. Does anyone know? On Sat, Mar 3, 2012 at 3:54 PM, Mohit Anchlia wrote: &nb...
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Author: Mohit Anchlia,
2012-03-04, 01:31
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AWS MapReduce - Hadoop - [mail # user]
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...Just want to check how many are using AWS mapreduce and understand the pros and cons of Amazon's MapReduce machines? Is it true that these map reduce machines are really reading and wr...
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Author: Mohit Anchlia,
2012-03-03, 23:54
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Re: Hadoop pain points? - Hadoop - [mail # user]
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...+1 On Fri, Mar 2, 2012 at 4:09 PM, Harsh J wrote: ...
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Author: Mohit Anchlia,
2012-03-03, 00:38
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Re: Adding nodes - Hadoop - [mail # user]
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...Thanks all for the answers!! On Thu, Mar 1, 2012 at 5:52 PM, Arpit Gupta wrote: ...
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Author: Mohit Anchlia,
2012-03-02, 01:59
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Re: Adding nodes - Hadoop - [mail # user]
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...On Thu, Mar 1, 2012 at 4:57 PM, Joey Echeverria wrote: I actually meant to ask how does namenode/jobtracker know there is a new node in the cluster. Is it initiated by namenode ...
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Author: Mohit Anchlia,
2012-03-02, 01:35
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