https://community.cloudera.com/t5/Support-Questions/MapReduce-application-failed-with-OutOfMemoryError/m-p/55881#M36631 <P>Hi <a href="https://community.cloudera.com/t5/user/viewprofilepage/user-id/18127">@mbigelow</a></P><P>&nbsp;</P><P>After puting the properties from mapreduceV2 into mapred-site.xml and deleting them from yarn-site.xml the jobs started to run slower and slower and can only get 1 or 2 cores and few MB&nbsp;of RAM. Jobs before the changes used about 300 cores and&nbsp;<SPAN>3811328 mb of memory.</SPAN></P><P>&nbsp;</P><P><SPAN>It looks like the node manager&nbsp;was reading these properties from yarn-site.xml. I know that they are in the wrong place.. but could be there any strange configuration that makes YARN behave like that?</SPAN></P><P>&nbsp;</P><P>That's not make sense but maybe you've already seen this before.</P><P>&nbsp;</P><P>Thanks in advance!</P><P>&nbsp;</P><P>Guido.</P><P>&nbsp;</P><P><SPAN>&nbsp;</SPAN></P><P>&nbsp;</P> Wed, 14 Jun 2017 20:05:06 GMT gsalerno 2017-06-14T20:05:06Z