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13 discussions - 56 posts

  • Hi, I'm curious why the new Writable interface was chosen rather than using Serializable. Handling version changes can be quite painful with standard serialization, but nothing seems to implement ...
    Curt CoxCurt Cox
    Sep 25, 2006 at 2:54 am
    Sep 27, 2006 at 4:24 pm
  • Hi, is there a way to start hadoop with all its socket (namenode, datanode, tracker...) binded to localhost ? cheers -- Philippe GASSMANN Solutions & Technologies ANYWARE TECHNOLOGIES Tel : +33 ...
    Philippe GassmannPhilippe Gassmann
    Sep 8, 2006 at 9:07 am
    Sep 12, 2006 at 4:14 pm
  • Hello, I have a larger XML file, over 10GB, has a simple format like <book <title </title <author </author ... </book I used to parse the XML and convert into another format, i.e. CSV. Currently, the ...
    Howard chenHoward chen
    Sep 24, 2006 at 2:28 pm
    Sep 28, 2006 at 4:14 pm
  • Hello everyone, I'm quite interested in such distributed filesystems but actually I cannot find this information anywhere: is Hadoop-DFS a POSIX compliant system ? Could I mount somehow (Fuse, NFS, ...
    T0aDT0aD
    Sep 11, 2006 at 10:40 pm
    Sep 12, 2006 at 5:43 pm
  • Hello, I have noticed that the Reducer does not enforce that the key is kept unaltered after the reduce operation. What would happen if output with a different key was collected? I realize that the ...
    Albert ChernAlbert Chern
    Sep 30, 2006 at 10:00 pm
    Oct 2, 2006 at 4:44 pm
  • Hi all, Hadoop DFS in inspired to Google FS. Do they share all the assumptions listed in the Google File System documentation? (http://labs.google.com/papers/gfs.html : par. 2.1) In particular: must ...
    Roberto FontiRoberto Fonti
    Sep 24, 2006 at 2:24 pm
    Sep 26, 2006 at 10:27 pm
  • Dear Hadoop Experts, The opening comments of the NameNode class state: "There is a single NameNode running in any DFS deployment. (Well, except when there is a second backup/failover NameNode.)" ...
    Albert ChernAlbert Chern
    Sep 11, 2006 at 10:19 pm
    Sep 11, 2006 at 10:49 pm
  • Hi all: I want to process several logs files (which are collected from several severs) on hadoop, nor combine those files before import them into DFS system. Could it be carried out? Best Regards, ...
    张茂森张茂森
    Sep 25, 2006 at 10:04 am
    Sep 25, 2006 at 11:41 am
  • Hi, I'm new to hadoop. I was going through the steps on standalone operation under API docs where I encountered the below error. 06/09/15 10:42:12 INFO conf.Configuration: parsing ...
    Aaron WongAaron Wong
    Sep 15, 2006 at 2:08 am
    Sep 15, 2006 at 4:40 am
  • Hi, all I install hadoop-0.6.2 in windows through cygwin. I can run "grep" operation, but when I try to operate distributedly, Some error occured. I set the conf/hadoop-site.xml like as follows: ...
    鲁伟明鲁伟明
    Sep 28, 2006 at 12:03 pm
    Sep 28, 2006 at 12:03 pm
  • Hello, The SequenceFile and MapFile classes are just what I need to solve a specific problem I have in my application: store large key/value pairs on disk and lookup values from keys. However, I am ...
    JP NutchJP Nutch
    Sep 22, 2006 at 6:50 pm
    Sep 22, 2006 at 6:50 pm
  • Dear Hadoopers: I'm using hadoop 0.5.0 (My job is a derivative of the nutch fetch job). I've had success in the past with older versions of hadoop but now jobs keep failing because one of the reduces ...
    Michael StackMichael Stack
    Sep 20, 2006 at 9:34 pm
    Sep 20, 2006 at 9:34 pm
  • We have a setup where a search query goes to an aggregator who using ipc/nutch api to communicate to slaves who have a subset of lucene index on various machines.The slaves return their results which ...
    Dimple JosephDimple Joseph
    Sep 7, 2006 at 8:07 pm
    Sep 7, 2006 at 8:07 pm
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26 users for September 2006

Doug Cutting: 11 posts Feng Jiang: 6 posts Sylvain Wallez: 4 posts Albert Chern: 3 posts Curt Cox: 3 posts Howard chen: 3 posts Frédéric Bertin: 2 posts Konstantin Shvachko: 2 posts Philippe Gassmann: 2 posts T0aD: 2 posts Vetle Roeim: 2 posts Yoram Arnon: 2 posts Aaron Wong: 1 post Bryan A. P. Pendleton: 1 post Dennis Kubes: 1 post Dimple Joseph: 1 post Eric Baldeschwieler: 1 post Jagadeesh: 1 post Jean-Baptiste Quenot: 1 post JP Nutch: 1 post
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