hemantk-12 opened a new pull request, #4749:
URL: https://github.com/apache/ozone/pull/4749
## What changes were proposed in this pull request?
`TestOzoneManagerHASnapshot` intermittently fails because DB is getting
closed due to Ratis's consistence state.
```
Error:
org.apache.hadoop.ozone.om.TestOzoneManagerHASnapshot.testSnapshotNameConsistency
Time elapsed: 3.094 s <<< ERROR!
java.lang.RuntimeException: java.io.IOException: Rocks Database is closed
at
org.apache.hadoop.ozone.om.TestOzoneManagerHASnapshot.lambda$testSnapshotNameConsistency$0(TestOzoneManagerHASnapshot.java:76)
at
org.awaitility.core.CallableCondition$ConditionEvaluationWrapper.eval(CallableCondition.java:99)
at
org.awaitility.core.ConditionAwaiter$ConditionPoller.call(ConditionAwaiter.java:248)
at
org.awaitility.core.ConditionAwaiter$ConditionPoller.call(ConditionAwaiter.java:235)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:750)
Suppressed: org.apache.ratis.util.ExitUtils$ExitException: Cannot load
OM DB as it is in an inconsistent state.
at org.apache.ratis.util.ExitUtils.terminate(ExitUtils.java:141)
at org.apache.ratis.util.ExitUtils.terminate(ExitUtils.java:151)
at org.apache.ratis.util.ExitUtils.terminate(ExitUtils.java:155)
```
`TestOzoneManagerHASnapshot` inherits `TestOzoneManagerHA` and uses cluster
created by the base class which is statically initialized by `BeforeAll`.
Although we don't run test parallelly, there is some possibility one test is
interfering with other one and causing inconsistency.
This change is to create mini cluster for `TestOzoneManagerHASnapshot`
instead of using inherited one.
## What is the link to the Apache JIRA
https://issues.apache.org/jira/browse/HDDS-8645
## How was this patch tested?
Ran this test 25 times in workflow and it passed all the time.
Run:
https://github.com/hemantk-12/ozone/actions/runs/5019667607/jobs/9000405979
I tired to run 50 times too but it failed due to disk space:
https://github.com/hemantk-12/ozone/actions/runs/5019375127/jobs/8999791082
CI/CD passed in one go on fork:
https://github.com/hemantk-12/ozone/actions/runs/5019860313/jobs/9000784799
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