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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Update of "MountableHDFS" by petewyckoff
Date Fri, 03 Oct 2008 18:16:29 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for change notification.

The following page has been changed by petewyckoff:
http://wiki.apache.org/hadoop/MountableHDFS

The comment on the change is:
added rpm site, removed some limits and fixed typo about how to supply options

------------------------------------------------------------------------------
  == Requirements ==
  
   * Hadoop with compiled libhdfs.so
-  * Linux kernel > 2.6.9 with fuse, which is the default or Fuse 2.7.x, 2.8.x installed.
See: [http://fuse.sourceforge.net/]
+  * Linux kernel > 2.6.9 with fuse, which is the default or Fuse 2.7.x, 2.8.x installed.
See: [http://fuse.sourceforge.net/] or even easier: [http://dag.wieers.com/rpm/packages/fuse/]
   * modprobe fuse to load it
   * fuse-dfs executable (see below)
   * fuse_dfs_wrapper.sh installed in /bin or other appropriate location (see below)
@@ -90, +90 @@

  2. Mount using: `mount /export/hdfs`. Expect problems with not finding fuse_dfs. You will
need to probably add this to /sbin and then problems finding the above 3 libraries. Add these
using ldconfig.
  
  
- Fuse DFS takes the following mount options (i.e., on the command line or the comma separated
list of options in /etc/fstab:
+ Fuse DFS takes the following mount options (i.e., on the command line or the comma separated
list of options in /etc/fstab (in which case, drop the -o prefixes):
  {{{
  -oserver=%s  (optional place to specify the server but in fstab use the format above)
  -oport=%d (optional port see comment on server option)
@@ -142, +142 @@

  
  3. Reads are ~20-30% slower even with the read buffering. 
  
- 4. fuse-dfs and underlying libhdfs have no support for permissions. See [https://issues.apache.org/jira/browse/HADOOP-3536
HADOOP-3536] 
- 
  
  == Fuse-j-HDFS ==
  

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