Stephen O'Donnell created HDDS-5771:
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Summary: Speed up TestDatanodeHddsVolumeFailureToleration by
reducing dead interval
Key: HDDS-5771
URL: https://issues.apache.org/jira/browse/HDDS-5771
Project: Apache Ozone
Issue Type: Improvement
Components: test
Affects Versions: 1.2.0
Reporter: Stephen O'Donnell
Assignee: Stephen O'Donnell
In TestDatanodeHddsVolumeFailureToleration, the tests wait for a long time on a
DN to be marked dead by SCM. This is because the stale, dead and heartbeat
intervals have not been set low enough, as they are using the default. Changing
the various timers, the runtime is reduced from about 4mins to 53 seconds on my
laptop.
Further, there are two tests - one that fails one volume on a DN and ensures it
can restart ok. Then a test which fails 2 volumes and ensure it fails to start.
We can combine these two tests into 1 and save creating a second mini-Cluster.
This further reduces the runtime to 37s.
On github, this test runs in:
{code}
[INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 236.534
s - in org.apache.hadoop.ozone.dn.volume.TestDatanodeHddsVolumeFailureToleration
{code}
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