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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Trivial Update of "FAQ" by SomeOtherAccount
Date Thu, 09 Sep 2010 22:29:30 GMT
Dear Wiki user,

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

The "FAQ" page has been changed by SomeOtherAccount.
http://wiki.apache.org/hadoop/FAQ?action=diff&rev1=73&rev2=74

--------------------------------------------------

      </description>
    </property>
  }}}
- <<Anchor(30)>> ''2.1 [[#A30|When writing a New InputFormat, what is the format
for the array of string returned by InputSplit\#getLocations()?]]''
+ <<Anchor(30)>> ''30. [[#A30|When writing a New InputFormat, what is the format
for the array of string returned by InputSplit\#getLocations()?]]''
  
  It appears that DatanodeID.getHost() is the standard place to retrieve this name, and the
machineName variable, populated in DataNode.java\#startDataNode, is where the name is first
set. The first method attempted is to get "slave.host.name" from the configuration; if that
is not available, DNS.getDefaultHost is used instead.
  
@@ -284, +284 @@

   2. Use the UNIX mv command to move the individual blocks and meta pairs from one directory
to another on each host
   3. Restart the HDFS
  
+ <<BR>> <<Anchor(32)>> '''32. [[#A32|How do you gracefully stop a
running job?]]'''
+ 
+ hadoop job -kill JOBID
+ 

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