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https://issues.apache.org/jira/browse/CASSANDRA-17327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17493539#comment-17493539
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Brandon Williams commented on CASSANDRA-17327:
----------------------------------------------

Apparently 3.0 is just on the cusp of sometimes creating 4 sstables, which 
causes autocompaction to kick in, resulting in a single sstable.  I have a 
[branch that disables 
autocompaction|https://github.com/driftx/cassandra-dtest/tree/CASSANDRA-17327], 
and to finally be done with this test here are repeated runs passing for 
everything: 
[3.0|https://app.circleci.com/pipelines/github/driftx/cassandra/367/workflows/c9107c4c-e921-4a25-a0f1-a470bccc4434/jobs/4172],
 
[3.11|https://app.circleci.com/pipelines/github/driftx/cassandra/369/workflows/28af769d-05fb-4dae-81c2-084353dd0e2f/jobs/4192],
 
[4.0|https://app.circleci.com/pipelines/github/driftx/cassandra/366/workflows/2a0547f6-f5b7-4261-ab32-5f95ccf57390/jobs/4151],
 and 
[trunk|https://app.circleci.com/pipelines/github/driftx/cassandra/368/workflows/e114c12f-8b94-4e54-bdcb-944c4f3c00cb/jobs/4178].

> Fix flaky test - dtest.offline_tools_test.TestOfflineTools.test_sstableverify
> -----------------------------------------------------------------------------
>
>                 Key: CASSANDRA-17327
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-17327
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Tool/sstable
>            Reporter: Brandon Williams
>            Assignee: Brandon Williams
>            Priority: Normal
>             Fix For: 3.0.x
>
>
> Failed 15 times in the last 16 runs. Flakiness: 13%, Stability: 6%
> Error Message
> IndexError: list index out of range



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