mjsax commented on a change in pull request #9010:
URL: https://github.com/apache/kafka/pull/9010#discussion_r453131515
##########
File path:
streams/src/test/java/org/apache/kafka/streams/processor/internals/StateDirectoryTest.java
##########
@@ -507,4 +510,51 @@ public void
shouldLockGlobalStateDirectoryWhenDirectoryCreationDisabled() throws
initializeStateDirectory(false);
assertTrue(directory.lockGlobalState());
}
+
+ @Test
+ public void shouldNotFailWhenCreatingTaskDirectoryInParallel() throws
Exception {
Review comment:
Without the fix, this test fails like 100% of the time for me. (Kinda
surprising -- seems that the disk IO operations give us nice thread context
switches so we hit the issue reliably.)
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