Marcelo Vanzin created SPARK-24653:
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Summary: Flaky test "JoinSuite.test SortMergeJoin (with spill)"
Key: SPARK-24653
URL: https://issues.apache.org/jira/browse/SPARK-24653
Project: Spark
Issue Type: Bug
Components: Tests
Affects Versions: 2.4.0
Reporter: Marcelo Vanzin
We've run into failures in this test in our internal jobs a few times. They
look like this:
{noformat}
java.lang.AssertionError: assertion failed: expected full outer join to not
spill, but did
at scala.Predef$.assert(Predef.scala:170)
at org.apache.spark.TestUtils$.assertNotSpilled(TestUtils.scala:189)
at
org.apache.spark.sql.JoinSuite$$anonfun$23$$anonfun$apply$mcV$sp$16.apply$mcV$sp(JoinSuite.scala:734)
at
org.apache.spark.sql.test.SQLTestUtils$class.withSQLConf(SQLTestUtils.scala:108)
{noformat}
I looked on the riselab jenkins and couldn't find a failure, so filing with a
low priority.
I did notice a possible race in the code that could explain the failure. Will
send a PR.
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