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Re: the balance of datanodes - MapReduce - [mail # user]
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...With replication factor 1, what you see is expected, if you also did your writes from a node that runs a DN (135.224.99.69 in your case - you ran the data load here). This is cause of ...
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Author: Harsh J,
2013-05-02, 07:43
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Re: Versions - Confusion - MapReduce - [mail # dev]
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...Hi Naidu, (a) As Steve already mentioned, please do not ask user questions on any of the *-dev lists as the list is only for project development and contributors, not general Q/A. (b) ...
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Author: Harsh J,
2013-05-02, 03:26
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Re: High IO Usage in Datanodes due to Replication - MapReduce - [mail # user]
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...Hi, Neither block reports nor block scanning should affect general DN I/O, although the former may affect DN liveliness in older versions, if they lack HDFS-2379 in them. Brahma is par...
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Author: Harsh J,
2013-05-01, 08:55
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Re: Can't initialize cluster - MapReduce - [mail # user]
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...When you run with java -jar, as previously stated on another thread, you aren't loading any configs present on the installation (that configure HDFS to be the default filesystem). When...
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Author: Harsh J,
2013-05-01, 06:02
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Re: Build failed for Hadoop-1.0.4 - MapReduce - [mail # dev]
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...1. To built 1.0.4 specifically, you will also need Cygwin installed and on your Windows PATH. I'd suggest instead using branch-1-win (no Apache releases yet though) from the source repositor...
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Author: Harsh J,
2013-04-29, 19:50
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Re: M/R job to a cluster? - MapReduce - [mail # user]
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...To validate if your jobs are running locally, look for the classname "LocalJobRunner" in the runtime output. Configs are sourced either from the classpath (if a dir or jar on the class...
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Author: Harsh J,
2013-04-29, 18:15
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Re: POLL: Using YARN or pre-YARN? - MapReduce - [mail # user]
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...By Pre-YARN Otis probably means MRv1 (i.e. JobTracker, etc.). On Thu, Apr 25, 2013 at 12:18 PM, Krishna Kishore Bonagiri wrote: Harsh J...
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Author: Harsh J,
2013-04-25, 06:54
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Re: MapTask.java -sort part - MapReduce - [mail # dev]
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...Yes as Mariappan has already pointed out; the sort is pluggable so the plug-in can also nullify it. See [1] for an example implementation of the MapOutputCollector interface (class MapOutput...
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Author: Harsh J,
2013-04-23, 08:49
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Re: MapTask.java -sort part - MapReduce - [mail # dev]
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...Note that the Reducer also does a merge sort over the acquired map data; but am not sure if you looked there as well. Mariappan's pointed JIRA (MAPREDUCE-4807) is already available in ...
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Author: Harsh J,
2013-04-23, 08:01
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Re: Error about MR task when running 2T data - MapReduce - [mail # user]
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...Does your node5 have adequate free space and proper multi-disk mapred.local.dir configuration set in it? On Tue, Apr 23, 2013 at 12:41 PM, 姚吉龙 wrote: Harsh J...
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Author: Harsh J,
2013-04-23, 07:43
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