Author: stevel Date: Thu Sep 19 08:19:27 2013 New Revision: 1524650 URL: http://svn.apache.org/r1524650 Log: HADOOP-9974: document setting mvn heap size
Modified: hadoop/common/trunk/BUILDING.txt Modified: hadoop/common/trunk/BUILDING.txt URL: http://svn.apache.org/viewvc/hadoop/common/trunk/BUILDING.txt?rev=1524650&r1=1524649&r2=1524650&view=diff ============================================================================== --- hadoop/common/trunk/BUILDING.txt (original) +++ hadoop/common/trunk/BUILDING.txt Thu Sep 19 08:19:27 2013 @@ -4,8 +4,8 @@ Build instructions for Hadoop Requirements: * Unix System -* JDK 1.6 -* Maven 3.0 +* JDK 1.6+ +* Maven 3.0 or later * Findbugs 1.3.9 (if running findbugs) * ProtocolBuffer 2.5.0 * CMake 2.6 or newer (if compiling native code) @@ -149,6 +149,21 @@ Create a local staging version of the we ---------------------------------------------------------------------------------- +Handling out of memory errors in builds + +---------------------------------------------------------------------------------- + +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" + +---------------------------------------------------------------------------------- + Building on OS/X ----------------------------------------------------------------------------------