[SPARK-28467] Flaky test: org.apache.spark.SparkContextSuite.test driver discovery under local-cluster mode - ASF JIRA

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Details

Type: Bug
Status: Resolved
Priority: Minor
Resolution: Duplicate
Affects Version/s: 3.0.0
Fix Version/s: None
Component/s: Tests
Labels:
None

Description

We ran unit tests on arm64 instance, and there are tests failed due to the executor can't up under the timeout 10000 ms:

test driver discovery under local-cluster mode *** FAILED ***
java.util.concurrent.TimeoutException: Can't find 1 executors before 10000 milliseconds elapsed
at org.apache.spark.TestUtils$.waitUntilExecutorsUp(TestUtils.scala:293)
at org.apache.spark.SparkContextSuite.$anonfun$new$78(SparkContextSuite.scala:753)
at org.apache.spark.SparkContextSuite.$anonfun$new$78$adapted(SparkContextSuite.scala:741)
at org.apache.spark.SparkFunSuite.withTempDir(SparkFunSuite.scala:161)
at org.apache.spark.SparkContextSuite.$anonfun$new$77(SparkContextSuite.scala:741)
at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
at org.scalatest.OutcomeOf.outcomeOf(OutcomeOf.scala:85)
at org.scalatest.OutcomeOf.outcomeOf$(OutcomeOf.scala:83)
at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
at org.scalatest.Transformer.apply(Transformer.scala:22)

test gpu driver resource files and discovery under local-cluster mode *** FAILED ***
java.util.concurrent.TimeoutException: Can't find 1 executors before 10000 milliseconds elapsed
at org.apache.spark.TestUtils$.waitUntilExecutorsUp(TestUtils.scala:293)
at org.apache.spark.SparkContextSuite.$anonfun$new$80(SparkContextSuite.scala:781)
at org.apache.spark.SparkContextSuite.$anonfun$new$80$adapted(SparkContextSuite.scala:761)
at org.apache.spark.SparkFunSuite.withTempDir(SparkFunSuite.scala:161)
at org.apache.spark.SparkContextSuite.$anonfun$new$79(SparkContextSuite.scala:761)
at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
at org.scalatest.OutcomeOf.outcomeOf(OutcomeOf.scala:85)
at org.scalatest.OutcomeOf.outcomeOf$(OutcomeOf.scala:83)
at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
at org.scalatest.Transformer.apply(Transformer.scala:22)

And then we increase the timeout to 20000(or 30000) the tests passed, I found there are other issues about the timeout increasing before, see: https://issues.apache.org/jira/browse/SPARK-7989 and https://issues.apache.org/jira/browse/SPARK-10651
I think the timeout doesn't work well, and seems there is no principle of the timeout setting, how can I fix this? Could I increase the timeout for these two tests?

This test fails intermittently in Amplab CI as well.

https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/110681/testReport/