[jira] [Commented] (CASSANDRA-13303) CompactionsTest.testSingleSSTableCompactionWithSizeTieredCompaction super flaky

["Joel Knighton (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-13303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15897934#comment-15897934 ] 

Joel Knighton commented on CASSANDRA-13303:
-------------------------------------------

Thanks for the report, but there isn't a lot that's actionable here.

Could you provide the branch(es) it is failing on for you? In addition, the specific failure (as shown by test output/stacktrace) you see would help someone identify the problem, particularly in cases like this when the test isn't failing on CI.

This test recently had a regression introduced and fixed in [CASSANDRA-13038], but I don't know if it's the same failure you're seeing.

> CompactionsTest.testSingleSSTableCompactionWithSizeTieredCompaction super flaky
> -------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-13303
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13303
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Benjamin Roth
>
> On my machine, this test succeeds maybe 1 out of 10 times.
> Cause seems to be that sstable is not elected for compation in worthDroppingTombstones as droppableRatio is 0.0
> I don't know the primary intention of this test, so I didn't touch it but the conditions are not safe.



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