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Merge -c 1236594 from trunk to branch-0.23 to fix MAPREDUCE-3693. Added mapreduce.admin.user.env to mapred-default.xml. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.23@1236596 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Arun Murthy 2012-01-27 08:50:24 +00:00
parent f1b833c8a3
commit 599264116d
2 changed files with 13 additions and 0 deletions
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3
hadoop-mapreduce-project/CHANGES.txt
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@ -138,6 +138,9 @@ Release 0.23.1 - Unreleased
MAPREDUCE-3699. Increased RPC handlers for all YARN servers to reasonable
values for working at scale. (Hitesh Shah via vinodkv)
MAPREDUCE-3693. Added mapreduce.admin.user.env to mapred-default.xml.
(Roman Shapshonik via acmurthy)
OPTIMIZATIONS
MAPREDUCE-3567. Extraneous JobConf objects in AM heap. (Vinod Kumar

10
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/resources/mapred-default.xml
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@ -440,6 +440,16 @@
</description>
</property>
<property>
<name>mapreduce.admin.user.env</name>
<value>LD_LIBRARY_PATH=$HADOOP_COMMON_HOME/lib/native</value>
<description>Expert: Additional execution environment entries for
map and reduce task processes. This is not an additive property.
You must preserve the original value if you want your map and
reduce tasks to have access to native libraries (compression, etc).
</description>
</property>
<property>
<name>mapreduce.task.tmp.dir</name>
<value>./tmp</value>