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HADOOP-9974: document setting mvn heap size 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1524653 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Steve Loughran 2013-09-19 08:22:38 +00:00
parent fe3e796ed5
commit 2cc9ef7450
1 changed files with 17 additions and 2 deletions
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19
BUILDING.txt
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@ -4,8 +4,8 @@ Build instructions for Hadoop
Requirements: Requirements:
* Unix System * Unix System
* JDK 1.6 * JDK 1.6+
* Maven 3.0 * Maven 3.0 or later
* Findbugs 1.3.9 (if running findbugs) * Findbugs 1.3.9 (if running findbugs)
* ProtocolBuffer 2.5.0 * ProtocolBuffer 2.5.0
* CMake 2.6 or newer (if compiling native code) * CMake 2.6 or newer (if compiling native code)
@ -149,6 +149,21 @@ Create a local staging version of the website (in /tmp/hadoop-site)
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Handling out of memory errors in builds
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If the build process fails with an out of memory error, you should be able to fix
it by increasing the memory used by maven -which can be done via the environment
variable MAVEN_OPTS.
Here is an example setting to allocate between 256 and 512 MB of heap space to
Maven
export MAVEN_OPTS="-Xms256m -Xmx512m"
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Building on OS/X Building on OS/X
---------------------------------------------------------------------------------- ----------------------------------------------------------------------------------