zzvara commented on PR #32610:
URL: https://github.com/apache/spark/pull/32610#issuecomment-1178004800

   @dongjoon-hyun this happens with Spark Operator. Neither Spark Operator adds 
the long suffix (50323181d9b37b11) nor us.
   
   I just patched the `spark.kubernetes.executor.podNamePrefix` so that we 
define it instead of letting Spark to autogenerate a very long prefix such as 
`abcdef-backend-capturing-job-1657214789009532113-50323181d9b37b11`.
   
   These jobs run every 30 minutes, executor names are much smaller, and 
consecutive jobs are counting up the executor IDs as follows:
   00:00 abcdef-backend-capturing-job-exec-1
   00:30 abcdef-backend-capturing-job-exec-2
   01:00 abcdef-backend-capturing-job-exec-3


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