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Re: Need some help for writing map reduce functions in hadoop-1.0.1 java - Hadoop - [mail # user]
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...Hi, You can go through the code of this project ( https://github.com/zinnia-phatak-dev/Nectar) to understand how the complex algorithms are implemented using M/R. On Fri, May 18,...
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Author: madhu phatak,
2012-05-22, 13:45
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Re: Where does Hadoop store its maps? - Hadoop - [mail # user]
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...Hi, Set "mapred.local.dir" in mapred-site.xml to point a directory on /mnt so that it will not use ec2 instance EBS. On Tue, May 22, 2012 at 6:58 PM, Mark Kerzner wrote: &...
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Author: madhu phatak,
2012-05-22, 13:36
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Re: Bad connect ack with firstBadLink - Hadoop - [mail # user]
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...Hi, Increasing the open file limit solved the issue. Thank you. On Fri, May 4, 2012 at 9:39 PM, Mapred Learn wrote: https://github.com/zinnia-phatak-dev/Necta...
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Author: madhu phatak,
2012-05-07, 09:37
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Bad connect ack with firstBadLink - Hadoop - [mail # user]
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...Hi, We are running a three node cluster . From two days whenever we copy file to hdfs , it is throwing java.IO.Exception Bad connect ack with firstBadLink . I searched in net, but not ...
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Author: madhu phatak,
2012-05-04, 12:46
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Re: EOFException - Hadoop - [mail # user]
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...Hi, In write method ,use writeInt() rather than write method. It should solve your problem. On Mon, Apr 30, 2012 at 10:40 PM, Keith Thompson wrote: https://github.c...
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Author: madhu phatak,
2012-05-02, 05:24
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Re: Error related Hadoop - Hadoop - [mail # dev]
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...Seems like Datanode is not up. Please look into tasktracker and datanode logs. On Thu, Apr 26, 2012 at 3:40 PM, Bhavesh Shah wrote: https://github.com/zinnia-phatak-dev/N...
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Author: madhu phatak,
2012-04-26, 10:14
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Re: Log file - Hadoop - [mail # dev]
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...Just see the $HADOOP_HOME/logs directory in tasktracker nodes. On Tue, Apr 24, 2012 at 6:28 AM, Ranjan Banerjee wrote: https://github.com/zinnia-phatak-dev/Nectar...
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Author: madhu phatak,
2012-04-24, 05:16
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Re: Hadoop and Ubuntu / Java - Hadoop - [mail # user]
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...As per Oracle, going forward openjdk will be official oracle jdk for linux . Which means openjdk will be same as the official one. On Tue, Dec 20, 2011 at 9:12 PM, hadoopman wrot...
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Author: madhu phatak,
2012-04-19, 09:05
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Re: getting UnknownHostException - Hadoop - [mail # user]
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...Please check contents of /etc/hosts for the hostname and ipaddress mapping. On Thu, Apr 12, 2012 at 11:11 PM, Sujit Dhamale wrote: https://github.com/zinnia-phatak-dev/Ne...
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Author: madhu phatak,
2012-04-13, 05:19
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Testing Map reduce code - Hadoop - [mail # user]
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...Hi, I am working on a Hadoop project where I want to make automated build to run M/R test cases on real hadoop cluster. As of now it seems we can only unit test M/R through MiniD...
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Author: madhu phatak,
2012-04-11, 13:20
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