If its a tez application, AM logs will show how much memory is currently allocated/consumed by the application & how much free resources available in the queue at that specific time. eg., 2024-04-22 23:27:20,636 [INFO] [AMRM Callback Handler Thread] |rm.YarnTaskSchedulerService|: Allocated: <memory:843776, vCores:206> Free: <memory:2048, vCores:306> pendingRequests: 0 delayedContainers: 205 heartbeats: 101 lastPreemptionHeartbeat: 100 2024-04-22 23:27:30,660 [INFO] [AMRM Callback Handler Thread] |rm.YarnTaskSchedulerService|: Allocated: <memory:155648, vCores:38> Free: <memory:495616, vCores:356> pendingRequests: 0 delayedContainers: 38 heartbeats: 151 lastPreemptionHeartbeat: 150 This allocation details will be logged frequently in Tez AM logs. ... View more

Hi @DanhH , Please accept this as a solution if it helped. ... View more

Hi @HadoopCommunity , If my solution. helped you Please accept it as a solution ... View more

Hi @yagoaparecidoti , You dont have to run the balancer. The blocks will recognize the racks and it will be done automatically. ... View more

As a rule of thumb assign 80% of the node resources to YARN. Please go through this to modify the config according to your need. https://hadoop.apache.org/docs/r2.7.2/hadoop-yarn/hadoop-yarn-site/CapacityScheduler.html#Queue_Properties ... View more

Please check the umask that is set for the yarn directories. ... View more

Hi @mike_bronson7  Please check that if the RM is working fine or is it down. Please also check your zookeeper. Please check with telnet if you can connect to RMhost from other host. ... View more

@Ivoz Has the reply helped resolve your issue? If so, please mark the appropriate reply as the solution, as it will make it easier for others to find the answer in the future. Thanks. ... View more