Chengbing Liu created YARN-2997:
-----------------------------------
Summary: NM keeps sending finished containers to RM until app is
finished
Key: YARN-2997
URL: https://issues.apache.org/jira/browse/YARN-2997
Project: Hadoop YARN
Issue Type: Bug
Components: nodemanager
Affects Versions: 2.6.0
Reporter: Chengbing Liu
We have seen in RM log a lot of
{quote}
INFO
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler:
Null container completed...
{quote}
It is caused by NM sending completed containers repeatedly until the app is
finished. On the RM side, the container is already released, hence
{quote}getRMContainer{quote} returns null.
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