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18 discussions - 62 posts

  • In the mapreduce paper published by Google in OSDI 2004, they give an example of term vector per host as a usage of mapreduce. They write """ Term-Vector per Host: A term vector summarizes the most ...
    Arif IqbalArif Iqbal
    Dec 8, 2006 at 6:45 am
    Dec 14, 2006 at 8:57 am
  • Hi, I run hadoop-0.9-dev and my edits-file has become corrupt. When I try to start the namenode I get the following error: 2006-12-08 20:38:57,431 ERROR dfs.NameNode - java.io.FileNotFoundException: ...
    Espen Amble KolstadEspen Amble Kolstad
    Dec 8, 2006 at 8:42 pm
    Dec 18, 2006 at 5:59 am
  • for example, in the Word Count example.... public void map(WritableComparable key, Writable value, OutputCollector output, Reporter reporter) throws IOException { String line = ...
    Howard chenHoward chen
    Dec 10, 2006 at 2:20 pm
    Dec 14, 2006 at 4:48 pm
  • hi,all: Is there any one know how to run hadoop on windows? Or could it be possible ? Thanks! youlq you.leiqing@gmail.com 2006-12-04
    YoulqYoulq
    Dec 4, 2006 at 9:25 am
    Dec 5, 2006 at 2:38 am
  • any offical answer? seems difficult to speak, so i normally spell it out... sound stupid?
    Howard chenHoward chen
    Dec 8, 2006 at 4:50 pm
    Dec 8, 2006 at 5:44 pm
  • Hi All, Over the past day we have managed to migrate our clusters from 0.7.2 to 0.9.0. We had no hitches migrating our development cluster, and we just finished up with upgrading our live cluster, ...
    JagadeeshJagadeesh
    Dec 21, 2006 at 7:55 am
    Dec 21, 2006 at 11:30 pm
  • Hi, I have been playing with Lucene & Hadoop. The Lucene demo (Web) is a great tutorial for people to understand Lucene, e.g. http://lucene.apache.org/java/docs/demo3.html I want to ask 1. If I put ...
    Howard chenHoward chen
    Dec 3, 2006 at 6:23 pm
    Dec 7, 2006 at 11:55 pm
  • Hi, I was wondering if anyone could throw some light on how the performance of MapReduce is effected by parameters such as number of Maps, number of Reduces, buffer sizes etc. If someone could tell ...
    Anurup PavuluriAnurup Pavuluri
    Dec 6, 2006 at 7:35 pm
    Dec 7, 2006 at 7:23 am
  • Hi all, For all those who have successfully built fuse-hadoop, I am looking to do the same. I need some help de-bugging the errors I'm getting while trying to build fuse-hadoop. Attached is the ...
    Mike NavarroMike Navarro
    Dec 7, 2006 at 12:11 am
    Dec 7, 2006 at 3:54 am
  • for any reason? it work in 0.8 before...
    Howard chenHoward chen
    Dec 10, 2006 at 5:24 pm
    Dec 11, 2006 at 6:42 am
  • Hi all, Does any body have a working implementation of fuse or webDav for Hadoop? I've tried the "fuse-hadoop-0.1.1", but didn't get past the last build. I suspect I had incompatible versions of ...
    Mike NavarroMike Navarro
    Dec 6, 2006 at 10:54 pm
    Dec 6, 2006 at 10:59 pm
  • Hi: To configure multiple data nodes, would I add to hadoop-default.xml or the slave file or both? Thanks -john
    John WangJohn Wang
    Dec 6, 2006 at 5:56 pm
    Dec 6, 2006 at 7:23 pm
  • Hi I want to know are there any plan to release Hadoop in C++? Thanks.
    Howard chenHoward chen
    Dec 16, 2006 at 10:09 am
    Dec 16, 2006 at 10:09 am
  • Hi folks: Is it possible to introduce a FileSystem implementation over NFS? Important things (e.g. locking) does not work with LocalFileSystem. Thanks -John
    John WangJohn Wang
    Dec 13, 2006 at 4:46 pm
    Dec 13, 2006 at 4:46 pm
  • I'm using nutch-0.8, hadoop 0.4.0 and getting the following exception in my app while attempting to merge indexes: Exception in thread "main" java.io.IOException: Could not obtain block: ...
    ListsLists
    Dec 12, 2006 at 4:25 pm
    Dec 12, 2006 at 4:25 pm
  • Hi, In my Map function I am collecting Text as the output. When I run the job the job gives a java.io.IOException. The following code is exactly what I am doing. Did someone else have a similar ...
    Anurup PavuluriAnurup Pavuluri
    Dec 8, 2006 at 12:58 am
    Dec 8, 2006 at 12:58 am
  • I am quite new to the MR paradigm (and java), and am wondering if anyone can point me in the right direction as to how I can compile and run an application on Hadoop which utilizes both of the MR and ...
    Brendan MelvilleBrendan Melville
    Dec 4, 2006 at 1:19 am
    Dec 4, 2006 at 1:19 am
  • I am testing the word count demo, e.g. bin/hadoop jar hadoop-0.8.0-examples.jar wordcount -m 40 -r 12 /in /out This example work before, but I don't know why suddenly it is not working, i.e. 06/12/03 ...
    Howard chenHoward chen
    Dec 3, 2006 at 11:18 am
    Dec 3, 2006 at 11:18 am
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groupcommon-user @
categorieshadoop
discussions18
posts62
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websitehadoop.apache.org...
irc#hadoop

27 users for December 2006

Howard chen: 10 posts Konstantin Shvachko: 5 posts Andrzej Bialecki: 4 posts Arif Iqbal: 4 posts Lukas Vlcek: 4 posts Doug Cutting: 3 posts Owen O'Malley: 3 posts 김형준: 2 posts Albert Chern: 2 posts Anurup Pavuluri: 2 posts Dennis Kubes: 2 posts Dhruba Borthakur: 2 posts Jagadeesh: 2 posts John Wang: 2 posts Mike Navarro: 2 posts Youlq: 2 posts Lists: 1 post Andrew McNabb: 1 post Brendan Melville: 1 post Christian Kunz: 1 post
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