Ambari failed to monitor yarn ResourceManager, restart invalid


Yarn ResourceManager restart is invalid.


It could be Hadoop yarn monitored by ambari- The file does not properly record the process ID of ResourceManager.


    enter the directory/var/run/Hadoop yarn/yarn; view Hadoop yarn- The process ID of ResourceManager recorded in; JPS view the ID number of ResourceManager running; if it is not equal, copy and fill in the process ID of ResourceManager viewed by JPS to Hadoop yarn- Wait a few seconds, cluster ambari The display is normal;

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