Changes between Version 16 and Version 17 of waue/2010/0106


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Timestamp:
Jan 7, 2010, 6:07:38 PM (14 years ago)
Author:
waue
Comment:

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  • waue/2010/0106

    v16 v17  
    8282 * start MapReduce
    8383After you have verified correct operation of HDFS, you are ready to start MapReduce.
     84{{{
     85# su -s /bin/bash - hadoop -c " /opt/hadoop/bin/start-dfs.sh "
     86}}}
     87
     88the other console will show fallowing message
     89{{{
     90#!sh
     9110/01/07 18:03:12 INFO FSNamesystem.audit: ugi=hadoop,hadoop    ip=/127.0.0.1   cmd=listStatus  src=/var/lib/hadoop-0.18/cache/hadoop/mapred/system     dst=nullperm=null
     9210/01/07 18:03:12 INFO namenode.FSNamesystem: Number of transactions: 1 Total time for transactions(ms): 0Number of transactions batched in Syncs: 0 Number of syncs: 0 SyncTimes(ms): 0
     9310/01/07 18:03:12 INFO FSNamesystem.audit: ugi=hadoop,hadoop    ip=/127.0.0.1   cmd=delete      src=/var/lib/hadoop-0.18/cache/hadoop/mapred/system     dst=nullperm=null
     9410/01/07 18:03:12 INFO FSNamesystem.audit: ugi=hadoop,hadoop    ip=/127.0.0.1   cmd=mkdirs      src=/var/lib/hadoop-0.18/cache/hadoop/mapred/system     dst=nullperm=hadoop:supergroup:rwxr-xr-x
     9510/01/07 18:03:12 INFO FSNamesystem.audit: ugi=hadoop,hadoop    ip=/127.0.0.1   cmd=setPermission       src=/var/lib/hadoop-0.18/cache/hadoop/mapred/system     dst=null        perm=hadoop:supergroup:rwx-wx-wx
     9610/01/07 18:03:12 INFO FSNamesystem.audit: ugi=hadoop,hadoop    ip=/127.0.0.1   cmd=create      src=/var/lib/hadoop-0.18/cache/hadoop/mapred/system/jobtracker.info     dst=null        perm=hadoop:supergroup:rw-r--r--
     9710/01/07 18:03:12 INFO FSNamesystem.audit: ugi=hadoop,hadoop    ip=/127.0.0.1   cmd=setPermission       src=/var/lib/hadoop-0.18/cache/hadoop/mapred/system/jobtracker.info     dst=null        perm=hadoop:supergroup:rw-------
     9810/01/07 18:03:12 INFO hdfs.StateChange: BLOCK* NameSystem.allocateBlock: /var/lib/hadoop-0.18/cache/hadoop/mapred/system/jobtracker.info. blk_-884931960867849873_1011
     9910/01/07 18:03:12 INFO hdfs.StateChange: BLOCK* NameSystem.addStoredBlock: blockMap updated: 127.0.0.1:50010 is added to blk_-884931960867849873_1011 size 4
     10010/01/07 18:03:12 INFO hdfs.StateChange: DIR* NameSystem.completeFile: file /var/lib/hadoop-0.18/cache/hadoop/mapred/system/jobtracker.info is closed by DFSClient_-927783387
     101}}}
     102
    84103
    85104 * finalize the hdfs upgrade