https://community.cloudera.com/t5/Support-Questions/SERVICE-MONITOR-HEAP-SIZE-alert/m-p/294548#M217317 <P>Hi&nbsp;<a href="https://community.cloudera.com/t5/user/viewprofilepage/user-id/30046">@manjj</a>&nbsp;,</P> <P>&nbsp;</P> <P>Thanks for reaching out to Cloudera community.</P> <P>&nbsp;</P> <P>Could you please share your Cloudera Manager version?</P> <P>&nbsp;</P> <P>Usually the value of the SMON's heap size depends on the how many and what kind of services it monitors.&nbsp;</P> <P>This is the public documentation which lists out the requirements:</P> <P><A href="https://docs.cloudera.com/documentation/enterprise/release-notes/topics/hardware_requirements_guide.html#sizing_cm_smon__sizing_cm_smon2" target="_blank">https://docs.cloudera.com/documentation/enterprise/release-notes/topics/hardware_requirements_guide.html#sizing_cm_smon__sizing_cm_smon2</A></P> <P>&nbsp;</P> <P>To resolve the issue, you need to increase the JVM heap size. I would suggest to bump up each time with 1G. So change to 4G and see how it goes. Also make sure that the SMON host has&nbsp;<SPAN>enough free memory for any OS overhead.</SPAN></P> <P>&nbsp;</P> <P><SPAN>Thanks and hope this helps,</SPAN></P> <P><SPAN>Li</SPAN></P> Wed, 22 Apr 2020 17:25:24 GMT lwang 2020-04-22T17:25:24Z