Github user heary-cao commented on the issue:
https://github.com/apache/spark/pull/20516
sure,
Operation environment: IDEA test tool.
test case: test("can bind to a specific port")
Test code:
val maxRetries = portMaxRetries(conf)
println("maxRetries:" + maxRetries)
run result:
maxRetries:16
if and only if add System.setProperty("spark.testing", "true") in
SparkFunSuite.
run result:
maxRetries: 100
thanks.
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