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Re: Help: How to increase amont maptasks per job ? - Hadoop - [mail # user]
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...Set higher values for mapred.tasktracker.map.tasks.maximum (and mapred.tasktracker.reduce.tasks.maximum) in mapred-site.xml On Fri, Jan 7, 2011 at 12:58 PM, Tali K wrote: ...
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Author: Ted Yu,
2011-01-07, 21:19
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Re: how to build hadoop in Linux - Hadoop - [mail # user]
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...How about compile-core-native ? On Sat, Jan 1, 2011 at 11:21 AM, Da Zheng wrote: ...
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Author: Ted Yu,
2011-01-01, 19:26
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Re: how to build hadoop in Linux - Hadoop - [mail # user]
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...For question #3, this should be helpful: http://ant.apache.org/manual/tasksoverview.html#compile On Sat, Jan 1, 2011 at 6:53 AM, Da Zheng wrote: ...
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Author: Ted Yu,
2011-01-01, 15:31
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Re: DISCUSSION: Cut a hadoop-0.20.0-append release from the tip of branch-0.20-append branch? - Hadoop - [mail # general]
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...their new features on trunk against that. There was a thread in Nov - 'Caution using Hadoop 0.21' It would be helpful to see response to 0.22 ...
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Author: Ted Yu,
2010-12-23, 01:46
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Re: breadth-first search - Hadoop - [mail # user]
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...Modify the following parameters: mapred.tasktracker.map.tasks.maximum mapred.tasktracker.reduce.tasks.maximum mapred.map.tasks mapred.reduce.tasks FYI you need to adjust the -Xmx for y...
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Author: Ted Yu,
2010-12-22, 20:35
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Re: Please help with hadoop configuration parameter set and get - Hadoop - [mail # user]
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...You can use hadoop counter to pass this information. This way, you see the counters in job report. On Thu, Dec 16, 2010 at 10:58 PM, Peng, Wei wrote: ...
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Author: Ted Yu,
2010-12-17, 14:39
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Re: Question about AvatarNode - Hadoop - [mail # user]
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...Check out the code on github You can find contrib/highavailability/src/java/org/apache/hadoop/hdfs/AvatarZooKeeperClient.java On Sun, Dec 12, 2010 at 11:54 PM, ChingShen wrote: &...
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Author: Ted Yu,
2010-12-14, 05:37
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Re: Reduce Error - Hadoop - [mail # user]
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...I have seen this error from time to time and it has been either due to space or missing directories or disk errors. Space issue was caused by the fact that the I had mounted /de/...
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Author: Ted Yu,
2010-12-09, 05:05
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Re: Reduce Error - Hadoop - [mail # user]
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...Any chance mapred.local.dir is under /tmp and part of it got cleaned up ? On Wed, Dec 8, 2010 at 4:17 AM, Adarsh Sharma wrote: ...
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Author: Ted Yu,
2010-12-08, 15:19
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Re: while loop issue in reduce - Hadoop - [mail # user]
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...Is a_el an ArrayList ? If not, you only get the last element's value. On Sat, Dec 4, 2010 at 9:50 AM, Ranjan Sen wrote: ...
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Author: Ted Yu,
2010-12-04, 21:42
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