Abacn commented on code in PR #22023:
URL: https://github.com/apache/beam/pull/22023#discussion_r905553948
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sdks/java/io/google-cloud-platform/src/test/java/org/apache/beam/sdk/io/gcp/spanner/SpannerIOWriteExceptionHandlingTest.java:
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@@ -171,9 +163,21 @@ public void testExceptionHandlingForSimpleWrite() throws
InterruptedException {
try {
pipeline.run().waitUntilFinish();
} finally {
- verify(SpannerIO.WriteToSpannerFn.sleeper,
times(callsToSleeper)).sleep(anyLong());
- verify(serviceFactory.mockDatabaseClient(), times(callsToWrite))
- .writeAtLeastOnceWithOptions(any(),
any(Options.ReadQueryUpdateTransactionOption.class));
+ if (exceptionErrorcode == ErrorCode.DEADLINE_EXCEEDED) {
+ // Due to randomOffset retry is done by most likely but not always 9
times.
+ int sleepCalled =
+
Mockito.mockingDetails(SpannerIO.WriteToSpannerFn.sleeper).getInvocations().size();
+ assertTrue(sleepCalled >= 8);
+ assertTrue(sleepCalled <= 10);
Review Comment:
Ran backOff 1 milliion times and found number of retry is distributed as:
{8=52661, 9=878266, 10=69073}. i.e. Originally it has a flake probability of 12%
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