Author: tomwhite Date: Fri Sep 21 09:01:25 2012 New Revision: 1388381 URL: http://svn.apache.org/viewvc?rev=1388381&view=rev Log: MAPREDUCE-2770. Improve hadoop.job.history.location doc in mapred-default.xml. Contributed by Sandy Ryza.
Modified: hadoop/common/branches/branch-1/CHANGES.txt hadoop/common/branches/branch-1/src/mapred/mapred-default.xml Modified: hadoop/common/branches/branch-1/CHANGES.txt URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-1/CHANGES.txt?rev=1388381&r1=1388380&r2=1388381&view=diff ============================================================================== --- hadoop/common/branches/branch-1/CHANGES.txt (original) +++ hadoop/common/branches/branch-1/CHANGES.txt Fri Sep 21 09:01:25 2012 @@ -104,6 +104,9 @@ Release 1.2.0 - unreleased HADOOP-8832. Port generic service plugin mechanism from HADOOP-5257 to branch-1. (backported by Brandon Li via suresh) + MAPREDUCE-2770. Improve hadoop.job.history.location doc in + mapred-default.xml. (Sandy Ryza via tomwhite) + OPTIMIZATIONS HDFS-2533. Backport: Remove needless synchronization on some FSDataSet Modified: hadoop/common/branches/branch-1/src/mapred/mapred-default.xml URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-1/src/mapred/mapred-default.xml?rev=1388381&r1=1388380&r2=1388381&view=diff ============================================================================== --- hadoop/common/branches/branch-1/src/mapred/mapred-default.xml (original) +++ hadoop/common/branches/branch-1/src/mapred/mapred-default.xml Fri Sep 21 09:01:25 2012 @@ -10,9 +10,12 @@ <property> <name>hadoop.job.history.location</name> <value></value> - <description> If job tracker is static the history files are stored - in this single well known place. If No value is set here, by default, - it is in the local file system at ${hadoop.log.dir}/history. + <description> The location where jobtracker history files are stored. + The value for this key is treated as a URI, meaning that the files + can be stored either on HDFS or the local file system. If no value is + set here, the location defaults to the local file system, at + file:///${hadoop.log.dir}/history. If the URI is missing a scheme, + fs.default.name is used for the file system. </description> </property>