HADOOP-8851. Use -XX:+HeapDumpOnOutOfMemoryError JVM option in the forked tests. Contributed by Ivan A. Veselovsky.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1392469 13f79535-47bb-0310-9956-ffa450edef68

hadoop-common-project/hadoop-common/CHANGES.txt

@@ -25,6 +25,9 @@ Release 2.0.3-alpha - Unreleased
     HADOOP-3957. Change MutableQuantiles to use a shared thread for rolling
     over metrics. (Andrew Wang via todd)
 
+    HADOOP-8851. Use -XX:+HeapDumpOnOutOfMemoryError JVM option in the forked
+    tests. (Ivan A. Veselovsky via atm)
+
   OPTIMIZATIONS
 
     HADOOP-8866. SampleQuantiles#query is O(N^2) instead of O(N). (Andrew Wang

hadoop-project/pom.xml

@@ -874,7 +874,7 @@
         <configuration>
           <forkMode>always</forkMode>
           <forkedProcessTimeoutInSeconds>900</forkedProcessTimeoutInSeconds>
-          <argLine>-Xmx1024m</argLine>
+          <argLine>-Xmx1024m -XX:+HeapDumpOnOutOfMemoryError</argLine>
           <environmentVariables>
             <LD_LIBRARY_PATH>${env.LD_LIBRARY_PATH}:${project.build.directory}/native/target/usr/local/lib</LD_LIBRARY_PATH>
             <MALLOC_ARENA_MAX>4</MALLOC_ARENA_MAX>