HADOOP-5219. Adds a new property io.seqfile.local.dir for use by SequenceFile, which earlier used mapred.local.dir. Contributed by Sharad Agarwal.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/core/trunk@746929 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -212,6 +212,9 @@ Trunk (unreleased changes)
     and that brings down the log messages in the JobClient to do with 
     NetworkTopology.add significantly. (Jothi Padmanabhan via ddas)
 
+    HADOOP-5219. Adds a new property io.seqfile.local.dir for use by SequenceFile,
+    which earlier used mapred.local.dir. (Sharad Agarwal via ddas)
+
 Release 0.20.0 - Unreleased
 
   INCOMPATIBLE CHANGES

src/core/core-default.xml

@@ -90,6 +90,16 @@
   obtaining serializers and deserializers.</description>
 </property>
 
+<property>
+  <name>io.seqfile.local.dir</name>
+  <value>${hadoop.tmp.dir}/io/local</value>
+  <description>The local directory where sequence file stores intermediate
+  data files during merge.  May be a comma-separated list of
+  directories on different devices in order to spread disk i/o.
+  Directories that do not exist are ignored.
+  </description>
+</property>
+
 <!-- file system properties -->
 
 <property>

src/core/org/apache/hadoop/io/SequenceFile.java

@@ -2870,7 +2870,7 @@ public class SequenceFile {
         int numSegments = sortedSegmentSizes.size();
         int origFactor = factor;
         int passNo = 1;
-        LocalDirAllocator lDirAlloc = new LocalDirAllocator("mapred.local.dir");
+        LocalDirAllocator lDirAlloc = new LocalDirAllocator("io.seqfile.local.dir");
         do {
           //get the factor for this pass of merge
           factor = getPassFactor(passNo, numSegments);