https://community.cloudera.com/t5/Archives-of-Support-Questions/Only-one-Node-in-Active-Stat/m-p/138288#M35245 <P><A rel="user" href="https://community.cloudera.com/users/2686/zahermahdhi.html" nodeid="2686">@Zaher Mahdhi</A></P><P>You have to check on how many node Node Mangers are installed, the info can be checked on Ambari Dashboard -&gt; YARN </P><P>I assume it is one and that is the reason you see only one Active Node</P> Wed, 20 Jul 2016 17:50:36 GMT nyakkanti 2016-07-20T17:50:36Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Only-one-Node-in-Active-Stat/m-p/138287#M35244 <P>Hi, I have a cluster with 4 nodes (NameNode: 8Gb RAM, 3 Data nodes with 4GB RAM).</P><P>In the Ressource Manager UI i'm getting only one Active Node:</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="5883-screenshot.png" style="width: 1299px;"><img src="https://community.cloudera.com/t5/image/serverpage/image-id/21924iA1319EFAD10D8112/image-size/medium?v=v2&amp;px=400" role="button" title="5883-screenshot.png" alt="5883-screenshot.png" /></span></P><P>Is this Normal ?</P><P>Thanks.</P> Mon, 19 Aug 2019 08:39:04 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Only-one-Node-in-Active-Stat/m-p/138287#M35244 zaher_mahdhi 2019-08-19T08:39:04Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Only-one-Node-in-Active-Stat/m-p/138288#M35245 <P><A rel="user" href="https://community.cloudera.com/users/2686/zahermahdhi.html" nodeid="2686">@Zaher Mahdhi</A></P><P>You have to check on how many node Node Mangers are installed, the info can be checked on Ambari Dashboard -&gt; YARN </P><P>I assume it is one and that is the reason you see only one Active Node</P> Wed, 20 Jul 2016 17:50:36 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Only-one-Node-in-Active-Stat/m-p/138288#M35245 nyakkanti 2016-07-20T17:50:36Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Only-one-Node-in-Active-Stat/m-p/138289#M35246 <P>Yep, Only one .. Can I add new ones ?</P> Wed, 20 Jul 2016 17:53:12 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Only-one-Node-in-Active-Stat/m-p/138289#M35246 zaher_mahdhi 2016-07-20T17:53:12Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Only-one-Node-in-Active-Stat/m-p/138290#M35247 <P>Okay, I installed the NodeManger on the 3 remaining nodes and I have now all the nodes active.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="5884-screenshot-from-2016-07-20-120756.png" style="width: 1289px;"><img src="https://community.cloudera.com/t5/image/serverpage/image-id/21923i27D059FDE62CD9CF/image-size/medium?v=v2&amp;px=400" role="button" title="5884-screenshot-from-2016-07-20-120756.png" alt="5884-screenshot-from-2016-07-20-120756.png" /></span></P> Mon, 19 Aug 2019 08:38:57 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Only-one-Node-in-Active-Stat/m-p/138290#M35247 zaher_mahdhi 2019-08-19T08:38:57Z