https://community.splunk.com/t5/Splunk-AppDynamics/Unable-to-install-Event-Service/m-p/728175#M6114 The memory may be in cache.<BR /><BR />If you are in a linux machine use the below command to clean it. Then try the instillation again.<BR /> echo 3 &gt; /proc/sys/vm/drop_caches<BR /> Fri, 27 Jul 2018 10:02:53 GMT Binu_Mathew 2018-07-27T10:02:53Z https://community.splunk.com/t5/Splunk-AppDynamics/Unable-to-install-Event-Service/m-p/728174#M6113 <P>Hello All,</P> <P>Please I'm new to this application.</P> <P>Currently setting up a POC for a prospective client in Nigeria, but installing enterprise console and controller.</P> <P>The event service comes up with this error.&nbsp;</P> <P>"<SPAN>ERROR [2018-04-13 17:42:18,208] com.appdynamics.orcha.core.OrchaRunnerImpl: Error executing: ERROR [2018-04-13 17:42:18,210] class com.appdynamics.platformadmin.core.job.JobProcessor: Platform/Job [1/0a44de4f-9c2d-4c42-aeea-f1c95bbd472f]: Stage [Verify hosts] failed due to [Task failed: Check total free memory on host: ca-apm with message: Detected only 4 MB free RAM. 12288 MB free RAM required for this installation. Increase the free RAM and retry this operation.]‎</SPAN>"</P> <P>The server is a 22G RAM, 500G disk space.</P> <P>The controller and event service are to be setup on the same host server.</P> Mon, 16 Apr 2018 17:54:39 GMT https://community.splunk.com/t5/Splunk-AppDynamics/Unable-to-install-Event-Service/m-p/728174#M6113 CommunityUser 2018-04-16T17:54:39Z https://community.splunk.com/t5/Splunk-AppDynamics/Unable-to-install-Event-Service/m-p/728175#M6114 The memory may be in cache.<BR /><BR />If you are in a linux machine use the below command to clean it. Then try the instillation again.<BR /> echo 3 &gt; /proc/sys/vm/drop_caches<BR /> Fri, 27 Jul 2018 10:02:53 GMT https://community.splunk.com/t5/Splunk-AppDynamics/Unable-to-install-Event-Service/m-p/728175#M6114 Binu_Mathew 2018-07-27T10:02:53Z