https://community.cloudera.com/t5/Support-Questions/How-to-estimate-the-Optimal-Java-Heap-Size-for-Navigator/m-p/300878#M220416 <P>Hello&nbsp;<a href="https://community.cloudera.com/t5/user/viewprofilepage/user-id/19969">@md186036</a>&nbsp;,</P><P>&nbsp;</P><P>I have checked the Navigator logs in a test cluster for CDH5.16 (for our purposes this minor version difference should not matter much) and found the entries mentioned <A href="https://docs.cloudera.com/documentation/enterprise/5-15-x/topics/cn_admcfg_nms_tuning.html#est-java-heap" target="_self">in this doc for CDH5.15:</A></P><P>2020-07-29 17:41:18,151 INFO com.cloudera.nav.server.NavServerUtil [main]: Found 885 documents in solr core nav_elements<BR />2020-07-29 17:41:18,155 INFO com.cloudera.nav.server.NavServerUtil [main]: Found 916 documents in solr core nav_relations</P><P>&nbsp;</P><P>I was navigating in CM -&gt; Cloudera Management Service -&gt; Navigator Metadata Server and then clicked on Log Files -&gt; Role log file.</P><P>I have downloaded the file by clicking on the "Download Full Log".</P><P>I have observed that I have log entries saying INFO messages.</P><P>&nbsp;</P><P>Do you see log entries with INFO in the log too, please?</P><P>I would like to rule out that the log level was not applied since your config change (e.g. was not restarted) or the log level was changed in other means (e.g. without restart).</P><P>&nbsp;</P><P>Thank you:<BR />Ferenc</P> Tue, 04 Aug 2020 14:55:32 GMT Bender 2020-08-04T14:55:32Z