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Re: Delivery Status Notification (Failure) - Hadoop - [mail # user]
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...Arun I don't understand your reply! Had you redirected this person to the hive mailing list I would have understood.. My philosophy any mailing list has always been ; If I know...
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Author: Raj Vishwanathan,
2013-02-13, 04:45
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Re: Map tasks processing some files multiple times - Hadoop - [mail # user]
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...Could it be due to spec-ex? Does it make a diffrerence in the end? Raj ...
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Author: Raj Vishwanathan,
2012-12-06, 06:45
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Re: File block size use - Hadoop - [mail # user]
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...I haven't tried it but this should also work hadoop fs -Ddfs. block.size= -cp src dest Raj ___________________________ ber 2, 2012 7:17 AM ou. I will try ...
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Author: Raj Vishwanathan,
2012-10-02, 14:52
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Re: Measuring Shuffle time for MR job - Hadoop - [mail # user]
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...You can extract the shuffle time from the job log. Take a look at https://github.com/rajvish/hadoop-summary Raj mail.com> 2012 12:57 AM uffle tim...
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Author: Raj Vishwanathan,
2012-08-27, 13:54
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Re: doubt about reduce tasks and block writes - Hadoop - [mail # user]
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...Harsh I did leave an escape route open witth a bit about "corner cases " :-) Anyway I agree that HDFS has no notion of block 0. I just mea nt that had the dfs.replication is 1, ...
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Author: Raj Vishwanathan,
2012-08-26, 17:13
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Re: doubt about reduce tasks and block writes - Hadoop - [mail # user]
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...But since node A has no TT running, it will not run map or reduce tasks. When the reducer node writes the output file, the fist block will be written on the local node and never on no...
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Author: Raj Vishwanathan,
2012-08-24, 22:44
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Re: Number of Maps running more than expected - Hadoop - [mail # user]
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...You probably have speculative execution on. Extra maps and reduce tasks are r un in case some of them fail Raj Sent from my iPad Please excuse the typos. On Aug 16, 2012,...
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Author: Raj Vishwanathan,
2012-08-17, 03:02
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Re: Multinode cluster only recognizes 1 node - Hadoop - [mail # user]
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...Sean Can you paste the name node and jobtracker logs. It could be something as simple as disabling the firewall. Raj _____________________________ .com&...
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Author: Raj Vishwanathan,
2012-08-01, 15:16
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Re: Merge Reducers Output - Hadoop - [mail # user]
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...Is there a requirement for the final reduce file to be sorted? If not, woul dn't a map only job ( + a combiner, ) and a merge only job provide the a nswer? Raj ael Segel ...
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Author: Raj Vishwanathan,
2012-07-31, 15:10
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Re: Datanode error - Hadoop - [mail # user]
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...Could also be due to network issues. Number of sockets could be less or num ber of threads could be less. Raj ________ pache.org error they wish to read a &nbs...
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Author: Raj Vishwanathan,
2012-07-20, 17:37
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