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https://issues.apache.org/jira/browse/CASSANDRA-19704?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17860220#comment-17860220
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Caleb Rackliffe commented on CASSANDRA-19704:
---------------------------------------------
I'm not seeing anything in CI that's being caused by this patch, so I'll likely
move to commit as soon as Marcus has a chance to take a quick look.
> UnsupportedOperationException is thrown when no space for LCS
> -------------------------------------------------------------
>
> Key: CASSANDRA-19704
> URL: https://issues.apache.org/jira/browse/CASSANDRA-19704
> Project: Cassandra
> Issue Type: Bug
> Components: Local/Compaction/LCS
> Reporter: Zhao Yang
> Assignee: Caleb Rackliffe
> Priority: Normal
> Fix For: 4.0.x, 4.1.x, 5.0.x, 5.x
>
> Attachments: ci_summary-1.html, ci_summary-2.html, ci_summary-3.html,
> ci_summary.html
>
>
> In {{CompactionTask#buildCompactionCandidatesForAvailableDiskSpace}} with
> LCS, if node has limited disk space and can't remove any sstable from L0 or
> L1 in {{{}LeveledCompactionTask#reduceScopeForLimitedSpace{}}},
> {{LeveledCompactionTask#partialCompactionsAcceptable}} will throw
> {{UnsupportedOperationException}}.
> We should handle {{LeveledCompactionTask#partialCompactionsAcceptable}} more
> gracefully with {{return level <= 1}} or simply {{true}} since
> {{reduceScopeForLimitedSpace}} only removes sstable from L0 or L1.
> Related https://issues.apache.org/jira/browse/CASSANDRA-17272
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