These items could also help. - Check the jobs that are running during the time of incident. You can also check via CLI in the master node using the command below and observe what are the jobs running. $ yarn top - If yes, reduce the job running meaning you can do a job scheduling to manage the jobs running on a specific time. - Another thing, if the cluster unable to manage your jobs you'll need to expand the cluster to have better performance. Thanks.
... View more
