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possible resource leak in capacity scheduler - MapReduce - [mail # user]
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...i have simple 2 node cluster. one node with 2 GB and second with 1 GB RAM on node with 1 GB is running application master - no memory left, nothing runs on node with 2 GB RAM &nb...
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Author: Radim Kolar,
2012-10-15, 09:44
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Re: multipleoutputs does not like speculative execution in map-only job - MapReduce - [mail # user]
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Author: Radim Kolar,
2012-09-13, 19:51
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Re: multipleoutputs does not like speculative execution in map-only job - MapReduce - [mail # user]
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... yes. job.setOutputFormatClass(SequenceFileOutputFormat.class);...
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Author: Radim Kolar,
2012-09-13, 08:09
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multipleoutputs does not like speculative execution in map-only job - MapReduce - [mail # user]
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...with speculative execution enabled Hadoop can run task attempt on more then 1 node. If mapper is using multipleoutputs then second attempt (or sometimes even all) fails to create...
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Author: Radim Kolar,
2012-09-12, 22:51
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Re: init/shutdown API for partitioner - MapReduce - [mail # dev]
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...use case is spring context + datagrid. which needs init/shutdown cycle. Same stuff needs to be added to RawComparator too....
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Author: Radim Kolar,
2012-08-25, 21:53
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Re: init/shutdown API for partitioner - MapReduce - [mail # dev]
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...https://issues.apache.org/jira/browse/MAPREDUCE-4594...
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Author: Radim Kolar,
2012-08-25, 21:42
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init/shutdown API for partitioner - MapReduce - [mail # dev]
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...Mapper partioner supports only Configurable API which can be used for basic init. Problem is that there is no shutdown function. I propose to use standard setup() cleanup() funct...
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Author: Radim Kolar,
2012-08-25, 16:34
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Re: [jira] [Created] (MAPREDUCE-4275) Plugable process tree - MapReduce - [mail # dev]
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...can be this committed already? I need it for freebsd port. Patch + review was done. https://issues.apache.org/jira/browse/MAPREDUCE-4275...
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Author: Radim Kolar,
2012-08-24, 18:46
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[MAPREDUCE-4275] Plugable process tree - MapReduce - [issue]
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...Trunk version of Pluggable process tree. Work based on MAPREDUCE-4204...
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http://issues.apache.org/jira/browse/MAPREDUCE-4275
Author: Radim Kolar,
2012-08-15, 00:27
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processing multiple blocks by single JVM - MapReduce - [mail # user]
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...In yarn, JVM does not exit after processing one HDFS block. If another block is being processed by same JVM, it is called setup() again? I discovered that my setup() method needs...
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Author: Radim Kolar,
2012-08-05, 21:53
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