Beckham007 shared an issue with you ----------------------------------
> NMSimulator of sls should catch more Exception > ---------------------------------------------- > > Key: YARN-2169 > URL: https://issues.apache.org/jira/browse/YARN-2169 > Project: Hadoop YARN > Issue Type: Bug > Affects Versions: 2.4.0 > Reporter: Beckham007 > Attachments: YARN-2169.patch > > > In the method middleStep() of NMSimulator , sending heart beat may cause > InterruptedException or other Exception if the load is heavily. If not > handler these exceptions, the task of NMSimulator cloud not add to the > executor queue again. So the NM will lost. > In my situation, the pool size is 4000, nm size is 2000, and am is 1500. Some > NMs will lost. -- This message was sent by Atlassian JIRA (v6.2#6252)