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[MAPREDUCE-4749] Killing multiple attempts of a task taker longer as more attempts are killed - MapReduce - [issue]
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...The following was noticed on a mr job running on hadoop 1.1.01. Start an mr job with 1 mapper2. Wait for a min3. Kill the first attempt of the mapper and then subsequently kill the other 3 a...
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http://issues.apache.org/jira/browse/MAPREDUCE-4749
Author: Arpit Gupta,
2012-12-03, 07:33
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Re: problem with hadoop-snappy - MapReduce - [mail # user]
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...Alex You need to make sure libsnappy.so is available in hadoop's java library path. The way hadoop sets the java library path is that based on the jdk it will add either 32bit or...
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Author: Arpit Gupta,
2012-11-07, 01:55
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Re: using log4j to suppress messages - MapReduce - [mail # user]
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...This looks like it should go in the log4j properties for hbase and not hadoop. Arpit On Oct 29, 2012, at 5:06 PM, Jonathan Bishop wrote: ...
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Author: Arpit Gupta,
2012-10-30, 04:54
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Re: unable to access using webhdfs in 0.23.3 - MapReduce - [mail # user]
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...does any other webhdfs call work for you? for example can you do this http://localhost:50070/webhdfs/v1/user/test.jpg?OP=liststatus I tried 0.23.4 and setup a single node c...
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Author: Arpit Gupta,
2012-10-17, 18:24
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Re: Fair scheduler. - MapReduce - [mail # user]
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...https://issues.apache.org/jira/browse/MAPREDUCE-4398 is the bug that Robin is referring to. Arpit Gupta Hortonworks Inc. http://hortonworks.com/ On Oct 16, 2012, at 3:51 PM...
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Author: Arpit Gupta,
2012-10-16, 23:12
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Re: Acces HAR over http through browser - MapReduce - [mail # user]
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...your browser does not understand what har:// is so none of those links will work. You will have to use webhdfs if you want out of the box webserivce to access files, but you wont...
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Author: Arpit Gupta,
2012-10-11, 16:07
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Re: issue with permissions of mapred.system.dir - MapReduce - [mail # user]
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...Robin I will try to investigate the issue with fair scheduler. Do let us know if switching to default or the capacity scheduler solved the issue. Arpit Gupta Hortonworks In...
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Author: Arpit Gupta,
2012-10-10, 16:35
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Re: issue with permissions of mapred.system.dir - MapReduce - [mail # user]
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...what is your "mapreduce.jobtracker.staging.root.dir" set to. This is a directory that needs to be writable by the user and is is recommended to be set to "/user" so it writes in ...
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Author: Arpit Gupta,
2012-10-10, 00:22
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Re: Hadoopn1.03 There is insufficient memory for the Java Runtime Environment to continue. - MapReduce - [mail # user]
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... i would recommended using the oracle jdk. Also i tried your configs on a single node setup of 1.0.3 and the mr jobs went through. So i suspect this is something specific to...
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Author: Arpit Gupta,
2012-10-08, 15:29
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Re: Hadoopn1.03 There is insufficient memory for the Java Runtime Environment to continue. - MapReduce - [mail # user]
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...are you using 32bit jdk for your task trackers? If so reduce the mem setting in mapred.child.java.opts Arpit On Oct 7, 2012, at 12:29 PM, Attila Csordas wrote: ...
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Author: Arpit Gupta,
2012-10-07, 19:37
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