https://community.cloudera.com/t5/Support-Questions/how-can-we-increase-ram-size-of-namenode/m-p/285243#M211704 <P>Are you using Cloudera Manager or Ambari?</P> Tue, 10 Dec 2019 11:24:26 GMT dbeech 2019-12-10T11:24:26Z https://community.cloudera.com/t5/Support-Questions/how-can-we-increase-ram-size-of-namenode/m-p/285242#M211703 <DIV class="container"> <DIV id="model-response-message-contentr_929737414b0af39e" class="markdown markdown-main-panel force-compact-layout enable-updated-hr-color" dir="ltr" aria-busy="false" aria-live="polite"> <P data-path-to-node="1">I need to know how I can increase the RAM size (Java Heap Size) of my NameNode.</P> </DIV> </DIV> Tue, 02 Jun 2026 12:04:26 GMT https://community.cloudera.com/t5/Support-Questions/how-can-we-increase-ram-size-of-namenode/m-p/285242#M211703 OmThakare 2026-06-02T12:04:26Z https://community.cloudera.com/t5/Support-Questions/how-can-we-increase-ram-size-of-namenode/m-p/285243#M211704 <P>Are you using Cloudera Manager or Ambari?</P> Tue, 10 Dec 2019 11:24:26 GMT https://community.cloudera.com/t5/Support-Questions/how-can-we-increase-ram-size-of-namenode/m-p/285243#M211704 dbeech 2019-12-10T11:24:26Z https://community.cloudera.com/t5/Support-Questions/how-can-we-increase-ram-size-of-namenode/m-p/285244#M211705 <P>cloudera manager. cdh5.13</P> Tue, 10 Dec 2019 11:25:40 GMT https://community.cloudera.com/t5/Support-Questions/how-can-we-increase-ram-size-of-namenode/m-p/285244#M211705 OmThakare 2019-12-10T11:25:40Z https://community.cloudera.com/t5/Support-Questions/how-can-we-increase-ram-size-of-namenode/m-p/285246#M211707 <P>Ok then you'll find the parameter "Java Heap Size of NameNode in Bytes" inside HDFS service configuration. Just set that to the size you need and restart HDFS.&nbsp;</P> Tue, 10 Dec 2019 12:03:11 GMT https://community.cloudera.com/t5/Support-Questions/how-can-we-increase-ram-size-of-namenode/m-p/285246#M211707 dbeech 2019-12-10T12:03:11Z