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Posted to common-dev@hadoop.apache.org by "Fei Hui (JIRA)" <ji...@apache.org> on 2017/03/12 12:27:04 UTC
[jira] [Created] (HADOOP-14176) distcp reports beyond physical
memory limits on branch-2
Fei Hui created HADOOP-14176:
--------------------------------
Summary: distcp reports beyond physical memory limits on branch-2
Key: HADOOP-14176
URL: https://issues.apache.org/jira/browse/HADOOP-14176
Project: Hadoop Common
Issue Type: Bug
Components: tools/distcp
Affects Versions: 2.9.0
Reporter: Fei Hui
When i run distcp, i get some errors as follow
{quote}
17/02/21 15:31:18 INFO mapreduce.Job: Task Id : attempt_1487645941615_0037_m_000003_0, Status : FAILED
Container [pid=24661,containerID=container_1487645941615_0037_01_000005] is running beyond physical memory limits. Current usage: 1.1 GB of 1 GB physical memory used; 4.0 GB of 5 GB virtual memory used. Killing container.
Dump of the process-tree for container_1487645941615_0037_01_000005 :
|- PID PPID PGRPID SESSID CMD_NAME USER_MODE_TIME(MILLIS) SYSTEM_TIME(MILLIS) VMEM_USAGE(BYTES) RSSMEM_USAGE(PAGES) FULL_CMD_LINE
|- 24661 24659 24661 24661 (bash) 0 0 108650496 301 /bin/bash -c /usr/lib/jvm/java/bin/java -Djava.net.preferIPv4Stack=true -Dhadoop.metrics.log.level=WARN -Xmx2120m -Djava.io.tmpdir=/mnt/disk4/yarn/usercache/hadoop/appcache/application_1487645941615_0037/container_1487645941615_0037_01_000005/tmp -Dlog4j.configuration=container-log4j.properties -Dyarn.app.container.log.dir=/mnt/disk2/log/hadoop-yarn/containers/application_1487645941615_0037/container_1487645941615_0037_01_000005 -Dyarn.app.container.log.filesize=0 -Dhadoop.root.logger=INFO,CLA -Dhadoop.root.logfile=syslog org.apache.hadoop.mapred.YarnChild 192.168.1.208 44048 attempt_1487645941615_0037_m_000003_0 5 1>/mnt/disk2/log/hadoop-yarn/containers/application_1487645941615_0037/container_1487645941615_0037_01_000005/stdout 2>/mnt/disk2/log/hadoop-yarn/containers/application_1487645941615_0037/container_1487645941615_0037_01_000005/stderr
|- 24665 24661 24661 24661 (java) 1766 336 4235558912 280699 /usr/lib/jvm/java/bin/java -Djava.net.preferIPv4Stack=true -Dhadoop.metrics.log.level=WARN -Xmx2120m -Djava.io.tmpdir=/mnt/disk4/yarn/usercache/hadoop/appcache/application_1487645941615_0037/container_1487645941615_0037_01_000005/tmp -Dlog4j.configuration=container-log4j.properties -Dyarn.app.container.log.dir=/mnt/disk2/log/hadoop-yarn/containers/application_1487645941615_0037/container_1487645941615_0037_01_000005 -Dyarn.app.container.log.filesize=0 -Dhadoop.root.logger=INFO,CLA -Dhadoop.root.logfile=syslog org.apache.hadoop.mapred.YarnChild 192.168.1.208 44048 attempt_1487645941615_0037_m_000003_0 5
Container killed on request. Exit code is 143
Container exited with a non-zero exit code 143
{quote}
Deep into the code , i find that because distcp configuration covers mapred-site.xml
{code}
<property>
<name>mapred.job.map.memory.mb</name>
<value>1024</value>
</property>
<property>
<name>mapred.job.reduce.memory.mb</name>
<value>1024</value>
</property>
{code}
When mapreduce.map.java.opts and mapreduce.map.memory.mb is setting in mapred-default.xml, and the value is larger than setted in distcp-default.xml, the error maybe occurs.
we should remove those two configurations in distcp-default.xml
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