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11 discussions - 38 posts

  • I'm facing issues while formatting the namenode. I've given hadoop.tmp.dir as /opt/hdfs. Below is the log output. linux-5e47:/usr/local/hadoop # ./bin/hadoop namenode -format 10/03/13 15:52:09 INFO ...
    Mar 13, 2010 at 8:21 am
    Mar 18, 2010 at 6:39 pm
  • Hi, I tried to run the Java code and it doesn't work. I pasted the code below: public class testHadoop { public static final String DIR_HADOOP = "hdfs://my.machine.com"; public static final String ...
    Miguel Ángel Álvarez de la ConcepciónMiguel Ángel Álvarez de la Concepción
    Mar 9, 2010 at 4:05 pm
    Mar 10, 2010 at 3:46 pm
  • We have a working 10 node cluster and are trying to add an 11th box (insert Spinal Tap joke here). The box (Centos Linux) was built in an identical manner to the other 10 and has the same version of ...
    Mar 18, 2010 at 8:29 pm
    Mar 19, 2010 at 5:40 pm
  • Hello, Is there a reason for which 'hadoop dfs -get' will not output to stdout? I see 'hadoop dfs -put' can handle stdin. It would seem that dfs would have to also support outputing to stdout. ...
    Alex ParvulescuAlex Parvulescu
    Mar 16, 2010 at 9:59 am
    Mar 17, 2010 at 11:37 am
  • Hello How to specify not default (64 Mb) block size for fuse_dfs !? In hdfs-site.xml 32MB: <property <name dfs.block.size</name <value 33554432</value </property via command line hadoop dfs ...
    Fenix SeregaFenix Serega
    Mar 24, 2010 at 1:23 pm
    Mar 25, 2010 at 3:00 pm
  • Hi all, As my title shows, it seems that "{2009/12,2010/01}" is not supported in FileSystem.globStatus, but in my opinion, it would be better if hdfs can support this kind of path. Does hadoop has ...
    Jeff ZhangJeff Zhang
    Mar 23, 2010 at 10:22 am
    Mar 23, 2010 at 10:22 am
  • I'm testing some scenarios where a very small cluster needs to replicate a lot of data due to a node going down. I'm observing pretty slow performance, and it seems like each node is sending one or ...
    Connor, GregConnor, Greg
    Mar 12, 2010 at 7:03 pm
    Mar 12, 2010 at 7:03 pm
  • Can map/reduce read local file system? My map/reduce cannot read localhost file, is there any wrong in my code ? protected void map(Object arg0, Object arg1, Context context) throws IOException, ...
    Mar 11, 2010 at 3:21 pm
    Mar 11, 2010 at 3:21 pm
  • Hi, Can anyone please tell me the advantages of using Replication Pipeline as a replication scheme in HDFS ? Are there any know disadvantages.. ? I am basically trying to figure out why HDFS chose ...
    Prateek JainPrateek Jain
    Mar 4, 2010 at 11:37 pm
    Mar 4, 2010 at 11:37 pm
  • Hi. The "http://$namenode:50070" web page, which is also known as "DFS home", works well, but the "Browse the filesystem" link doesn't work; The "Live Nodes" link points to a page which shows all the ...
    Le ZhouLe Zhou
    Mar 4, 2010 at 7:09 am
    Mar 4, 2010 at 7:09 am
  • Hi all, I just wanted to let you guys know that HDFS support has been added to the recently released version 0.8.5 of muCommander ( http://www.mucommander.com/ ), allowing you to browse, read and ...
    Maxence BernardMaxence Bernard
    Mar 1, 2010 at 9:03 am
    Mar 1, 2010 at 9:03 am
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