https://community.cloudera.com/t5/Support-Questions/NodeManager-doesn-t-work-properly-though-it-seems-OK-on/m-p/316031#M226691 <P><a href="https://community.cloudera.com/t5/user/viewprofilepage/user-id/88399">@yosuke</a>&nbsp;</P><P>The /proc/meminfo is used by to report the amount of free and used memory (both physical and swap) on the system as well as the shared memory and buffers used by the kernel.</P><LI-CODE lang="markup">$ cat /proc/meminfo &gt;&gt; /tmp/faultynode.txt</LI-CODE><P>This is related to memory settings can you compare or check Transparent Hugepages (THP) settings between the faulty and the working NM/DN's?<BR />My advice is to check the ​prepare the<A href="https://docs.cloudera.com/cdp-private-cloud-base/7.1.6/managing-clusters/topics/cm-disabling-transparent-hugepages.html" target="_blank" rel="noopener"> Environment steps for your HDP</A>.</P><P>Extract from my virtual box</P><LI-CODE lang="markup"># cat /sys/kernel/mm/transparent_hugepage/enabled always madvise [never]</LI-CODE><P>&nbsp;</P><P>Please revert</P> Sun, 09 May 2021 10:56:32 GMT Shelton 2021-05-09T10:56:32Z