Github user mariahualiu commented on the issue:
https://github.com/apache/spark/pull/17854
I re-ran the same application adding these configurations "--conf
spark.yarn.scheduler.heartbeat.interval-ms=15000 --conf
spark.yarn.launchContainer.count.simultaneously=50". Though it took 50
iterations to get 2500 containers from Yarn, it was faster to reach 2500
executors since there was much less executor failures and as a result little
overhead of removing failed executors and less allocation requests to Yarn.
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