TestTableInputFormatScan on Hadoop 2 fails because YARN kills our applications

2013-04-16 04:12:06,097 WARN  [Container Monitor] monitor.ContainersMonitorImpl$MonitoringThread(436): Container [pid=30006,containerID=container_1366085506903_0001_01_000001] is running beyond virtual memory limits. Current usage: 160.9mb of 1.5gb physical memory used; 3.4gb of 3.1gb virtual memory used. Killing container.
Dump of the process-tree for container_1366085506903_0001_01_000001 :
	|- PID PPID PGRPID SESSID CMD_NAME USER_MODE_TIME(MILLIS) SYSTEM_TIME(MILLIS) VMEM_USAGE(BYTES) RSSMEM_USAGE(PAGES) FULL_CMD_LINE
	|- 30006 24535 30006 30006 (bash) 0 3 110800896 303 /bin/bash -c /usr/java/default/bin/java -Dlog4j.configuration=container-log4j.properties -Dyarn.app.mapreduce.container.log.dir=/home/ec2-user/jenkins/workspace/HBase-0.94-Hadoop-2/target/org.apache.hadoop.mapred.MiniMRCluster/org.apache.hadoop.mapred.MiniMRCluster-logDir-nm-1_1/application_1366085506903_0001/container_1366085506903_0001_01_000001 -Dyarn.app.mapreduce.container.log.filesize=0 -Dhadoop.root.logger=INFO,CLA -Xmx1024m org.apache.hadoop.mapreduce.v2.app.MRAppMaster 1>/home/ec2-user/jenkins/workspace/HBase-0.94-Hadoop-2/target/org.apache.hadoop.mapred.MiniMRCluster/org.apache.hadoop.mapred.MiniMRCluster-logDir-nm-1_1/application_1366085506903_0001/container_1366085506903_0001_01_000001/stdout 2>/home/ec2-user/jenkins/workspace/HBase-0.94-Hadoop-2/target/org.apache.hadoop.mapred.MiniMRCluster/org.apache.hadoop.mapred.MiniMRCluster-logDir-nm-1_1/application_1366085506903_0001/container_1366085506903_0001_01_000001/stderr   
	|- 30024 30006 30006 30006 (java) 714 62 3517714432 40881 /usr/java/default/bin/java -Dlog4j.configuration=container-log4j.properties -Dyarn.app.mapreduce.container.log.dir=/home/ec2-user/jenkins/workspace/HBase-0.94-Hadoop-2/target/org.apache.hadoop.mapred.MiniMRCluster/org.apache.hadoop.mapred.MiniMRCluster-logDir-nm-1_1/application_1366085506903_0001/container_1366085506903_0001_01_000001 -Dyarn.app.mapreduce.container.log.filesize=0 -Dhadoop.root.logger=INFO,CLA -Xmx1024m org.apache.hadoop.mapreduce.v2.app.MRAppMaster