close Warning: Can't synchronize with repository "(default)" (Unsupported version control system "svn": /usr/lib/python2.7/dist-packages/libsvn/_repos.so: failed to map segment from shared object: Cannot allocate memory). Look in the Trac log for more information.

Changes between Version 7 and Version 8 of waue/2009/1005


Ignore:
Timestamp:
Oct 6, 2009, 5:52:58 PM (16 years ago)
Author:
waue
Comment:

--

Legend:

Unmodified
Added
Removed
Modified

  • waue/2009/1005

    v7 v8  
    5353$ sudo mkdir /usr/local/share/hdfs/
    5454$ sudo cp /opt/hadoop/build/libhdfs /usr/local/share/hdfs/libhdfs/
     55$ mkdir /tmp/fusehdfs
    5556}}}
    5657
    … …  
    6566
    6667== 3. ==
     68 * 掛載
     69{{{
     70$ fuse_dfs_wrapper.sh dfs://secuse.nchc.org.tw:9000 /tmp/fusehdfs
     71}}}
     72
     73於另外一個視窗
    6774
    6875{{{
    69 $ mkdir /tmp/fusehdfs
    70 $ fuse_dfs_wrapper.sh dfs://secuse.nchc.org.tw:9000 /tmp/fusehdfs -d
     76$ cd /tmp/fusehdfs
     77#// 可以自由下達 讀、寫、新增、刪除檔案 等指令
    7178}}}
    7279
    73 另外一個視窗
     80 * 卸載
    7481{{{
    75 $  ls /tmp/fusehdfs
     82$ fuseumount -u /tmp/fusehdfs
    7683}}}
    7784
    78  = 4. =
     85 = 補充 =
    7986
    8087加入以下內容到 /etc/fstab
    … …  
    8390fuse_dfs#dfs://hadoop_server.foo.com:9000 /export/hdfs fuse -oallow_other,rw,-ousetrash,-oinitchecks 0 0
    8491}}}
     92
     93好處是之後就可以用mount 指令來掛載
     94{{{
     95$ sudo mount /tmp/fusehdfs
     96$ sudo umount /tmp/fusehdfs
     97}}}
     98
     99缺點是用root mount 會導致權限問題，與因為export參數不完全，導致找不到libhdfs.so.0
     100
    85101 = bug fix =
    86102 * check java5