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Andres de la Peña commented on CASSANDRA-16189:
-----------------------------------------------
It seems that with more runs the new test shows some flakiness, as it can be
seen for example
[here|https://app.circleci.com/pipelines/github/adelapena/cassandra/726/workflows/b9870200-2e20-4654-8428-471adbe77b7d/jobs/7417].
I think this is indeed caused by restarting the nodes while performing writes.
Some of those writes somehow make it into the down nodes, so there are less
hints than expected, which makes the test fail.
I have modified the test to use a message filter dropping mutations instead of
restarting the nodes, and it seems to be enough to stabilise the test:
[j8|https://app.circleci.com/pipelines/github/adelapena/cassandra/747/workflows/b81f0ea0-2054-4f67-9d9d-fa8e2e3ccfaf],
[j11|https://app.circleci.com/pipelines/github/adelapena/cassandra/747/workflows/3f8c9e17-39e1-4980-a024-04068a6c2f6f].
> Add tests for the Hint service metrics
> --------------------------------------
>
> Key: CASSANDRA-16189
> URL: https://issues.apache.org/jira/browse/CASSANDRA-16189
> Project: Cassandra
> Issue Type: Improvement
> Components: Test/dtest/python
> Reporter: Benjamin Lerer
> Assignee: Andres de la Peña
> Priority: Normal
> Fix For: 4.0.x
>
> Attachments: 0001-added-hints-metrics-test.patch
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> There are currently no tests for the hint metrics
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