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Re: Increase the number of mappers in PM mode - MapReduce - [mail # user]
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...HI: i get these interview questions by doing some googles: Q29. How can you set an arbitary number of mappers to be created for a job in Hadoop This is a trick quest...
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Author: YouPeng Yang,
2013-03-15, 07:49
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Re: map stucks at 99.99% - MapReduce - [mail # user]
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...Hi Patai I found a similar explanation on the google mapreduce publication. http://static.googleusercontent.com/external_content/untrusted_dlcp/research.google.com/zh-CN//...
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Author: YouPeng Yang,
2013-03-02, 02:36
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Re: Errors come out when starting Balancer - MapReduce - [mail # user]
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...Hi That is great helpfull.Thank you very much. regards 2013/2/25 Harsh J ...
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Author: YouPeng Yang,
2013-02-25, 07:55
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Re: One NameNode keeps Rolling Edit Log on HDFS Federation - MapReduce - [mail # user]
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...Hi Azuryy,Harsh It is strange that the NameNode rolling edits log rolls edits logs all the times,even i do nothing on the NameNode vi client. Any futher help...
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Author: YouPeng Yang,
2013-02-25, 04:46
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Re: One NameNode keeps Rolling Edit Log on HDFS Federation - MapReduce - [mail # user]
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...Hi Azuryy Yes.that is what is. Thank you for your reply. I am making effort to make clear about federation and HA. Regards. 2013/2/25 Azu...
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Author: YouPeng Yang,
2013-02-25, 02:45
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Re: One NameNode keeps Rolling Edit Log on HDFS Federation - MapReduce - [mail # user]
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...Hi Mike,Harsh Thank you for your reply. I need to time to digest the above stuff. Thanks Regards 2013/2/25 Harsh J ...
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Author: YouPeng Yang,
2013-02-25, 01:06
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One NameNode keeps Rolling Edit Log on HDFS Federation - MapReduce - [mail # user]
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...Hi All I'm testing the HDFS Federation.I have 2 namenodes in my cluster. I find that it is Rolling Edit Log continuously on one namenode,however the other one...
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Author: YouPeng Yang,
2013-02-24, 15:09
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ERROR rised during backup node starting - MapReduce - [mail # user]
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...Hi ALL I am testing my backup node(CDH4.1.2).After I setup the neccessory settings,i started the backup node. Everything went well,except for an ERROR had risen[1]. What ...
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Author: YouPeng Yang,
2013-02-18, 10:58
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Re: How mapred.map.child.java.opts influence the Container resource allocation - MapReduce - [mail # user]
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...Hi Arun Thanks a lot. With a container size of 2G, the max heap size i can allocate is ~1.6G. is the heap exclusively possessed by...
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Author: YouPeng Yang,
2013-02-05, 00:44
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Re: Install from a CDH4 tarball - MapReduce - [mail # user]
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...Hi Manoj Babu * * i think this maybe helpful: http://mail-archives.apache.org/mod_mbox/hadoop-mapreduce-user/201210.mbox/%[EMAIL PROTECTED]%3E bonus: in the mapred-default.xml th...
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Author: YouPeng Yang,
2013-02-04, 11:49
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