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[MAPREDUCE-4933] MR1 final merge asks for length of file it just wrote before flushing it - MapReduce - [issue]
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...createKVIterator in ReduceTask contains the following code: try { Merger.writeFile(rIter, writer, reporte...
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http://issues.apache.org/jira/browse/MAPREDUCE-4933
Author: Sandy Ryza,
2013-05-06, 05:15
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Re: Why could not find finished jobs in yarn.resourcemanager.webapp.address? - MapReduce - [mail # user]
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...This shouldn't be asked on the dev lists, so putting mapreduce-dev and hdfs-dev in the bcc. Have you made sure you're not using the local job runner? Did you restart the resource...
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Author: Sandy Ryza,
2013-05-03, 01:37
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[MAPREDUCE-5134] Default settings cause LocalJobRunner to OOME - MapReduce - [issue]
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...If I run a job using the local job runner with vanilla settings, I get an out of memory error. This seems to be because the default client memory maximum is 128 MB, and the default io....
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http://issues.apache.org/jira/browse/MAPREDUCE-5134
Author: Sandy Ryza,
2013-04-30, 01:22
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Re: Hadoop MapReduce High Availability - MapReduce - [mail # dev]
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...Hi Augusto, In Hadoop 2, ResourceManager HA is being worked on under YARN-128 and YARN-149. There's a design doc for RM recovery on the latter. Hadoop 1's MapReduce high av...
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Author: Sandy Ryza,
2013-04-29, 16:57
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Re: Versions - Confusion - MapReduce - [mail # dev]
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...The 2.0 series contains security as well. -Sandy On Sat, Apr 27, 2013 at 5:30 AM, Suresh S wrote: ...
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Author: Sandy Ryza,
2013-04-27, 17:30
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Re: Automatically mapping a job submitted by a particular user to a specific hadoop map-reduce queue - MapReduce - [mail # user]
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...Hi Sagar, This capability currently does not exist in the fair scheduler (or other schedulers, as far as I know), but a JIRA has been filed recently that addresses a similar need. &nbs...
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Author: Sandy Ryza,
2013-04-25, 06:41
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[MAPREDUCE-5173] Need to specify master principal run local job in a secure setup - MapReduce - [issue]
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...When security is turned on, running a job involves asking the filesystems it uses for delegation tokens. Currently, this fails if the kerberos master principal is not set, even if the ...
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http://issues.apache.org/jira/browse/MAPREDUCE-5173
Author: Sandy Ryza,
2013-04-22, 23:59
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[MAPREDUCE-5172] Expose number of non-local maps in MR app metrics - MapReduce - [issue]
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http://issues.apache.org/jira/browse/MAPREDUCE-5172
Author: Sandy Ryza,
2013-04-22, 20:38
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Re: YARN - container networking and ports - MapReduce - [mail # user]
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...The yarn-default.xml file in the Hadoop repository contains the default ports for all of the YARN protocols. -Sandy On Mon, Apr 22, 2013 at 8:27 AM, Marcos Luis Ortiz Valmaseda ...
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Author: Sandy Ryza,
2013-04-22, 16:54
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Re: ConfigKeys wrappers for MapReduce source code base - MapReduce - [mail # dev]
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...Hi Jay, In trunk, these keys are in MRJobConfig (extended by JobContext) and MRConfig. I'm not sure what the state of things are in branch-1. Agreed that it would be nice f...
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Author: Sandy Ryza,
2013-04-22, 06:05
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