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Re: AvatarNode configuration - Hadoop - [mail # user]
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...Hey LiuLei, AvatarNode isn't part of the Apache Hadoop project yet - you may find better responses by communicating with the facebook/hadoop repository maintainers directly. However, y...
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Author: Harsh J,
2012-10-24, 04:11
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Mailing list admin? - Hadoop - [mail # dev]
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...Hey project devs, Can someone let me know who the MLs admin is? INFRA suggested that instead of going to them, I could reach out to the admin group local to the project itself (I didn'...
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Author: Harsh J,
2012-10-18, 11:55
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Re: Suitability of HDFS for live file store - Hadoop - [mail # user]
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...Hey Matt, What do you mean by 'real-time' though? While HDFS has pretty good contiguous data read speeds (and you get N x replicas to read from), if you're looking to "cache" frequentl...
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Author: Harsh J,
2012-10-15, 20:08
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Re: speculative execution before mappers finish - Hadoop - [mail # user]
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...Think of it in partition terms. If you know that your map-splits X, Y and Z won't emit any key of partition P, then the Pth reducer can jump ahead and run without those X, Y and Z completing...
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Author: Harsh J,
2012-10-13, 04:44
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Re: Write Permissions to Support Wiki - Hadoop - [mail # dev]
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...Hi, Done. Please feel free to edit the page. On Fri, Oct 12, 2012 at 9:35 PM, LearnComputer Administrator wrote: Harsh J...
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Author: Harsh J,
2012-10-12, 16:19
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Re: concurrency - Hadoop - [mail # user]
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...Joep, You're right - I missed in my quick scan that he was actually replacing those files there. Sorry for the confusion Koert! On Fri, Oct 12, 2012 at 9:37 PM, J. Rottinghuis &n...
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Author: Harsh J,
2012-10-12, 16:17
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Re: distcp question - Hadoop - [mail # user]
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...Rita, I believe, per the implementation, that webhdfs:// URIs should work fine. Please give it a try and let us know. On Fri, Oct 12, 2012 at 7:14 PM, Rita wrote: &n...
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Author: Harsh J,
2012-10-12, 15:37
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Re: concurrency - Hadoop - [mail # user]
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...Hey Koert, Yes the _SUCCESS (Created on successful commit-end of a job) file existence may be checked before firing the new job with the chosen input directory. This is consistent with...
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Author: Harsh J,
2012-10-12, 15:35
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[HADOOP-8531] SequenceFile Writer can throw out a better error if a serializer or deserializer isn't available - Hadoop - [issue]
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...Currently, if the provided Key/Value class lacks a proper serializer in the loaded config for the SequenceFile.Writer, we get an NPE as the null return goes unchecked.Hence we get:java.lang....
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http://issues.apache.org/jira/browse/HADOOP-8531
Author: Harsh J,
2012-10-11, 18:45
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[HADOOP-8727] Gracefully deprecate dfs.umaskmode in 2.x onwards - Hadoop - [issue]
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...While HADOOP-6234 added dfs.umaskmode in 0.21.0, the subsequent HADOOP-6233 simply renamed it, again in 0.21.0, without any deprecation mechanism (understandable).However, 1.x now carries df...
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http://issues.apache.org/jira/browse/HADOOP-8727
Author: Harsh J,
2012-10-11, 18:45
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