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https://issues.apache.org/jira/browse/CASSANDRA-21827?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Caleb Rackliffe updated CASSANDRA-21827:
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    Reviewers: Caleb Rackliffe, Caleb Rackliffe
       Status: Review In Progress  (was: Patch Available)

> Cursor compaction fails with AssertionError when a static collection exceeds 
> a collection guardrail threshold
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-21827
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-21827
>             Project: Apache Cassandra
>          Issue Type: Bug
>          Components: Local/Compaction
>            Reporter: Francisco Guerrero
>            Assignee: Francisco Guerrero
>            Priority: Normal
>
> When using the cursor compaction path, compacting a partition whose static 
> non-frozen collection is over the collection_size or items_per_collection 
> threshold throws an AssertionError causing the compaction to fail. The 
> iterator compactor correctly compacts the same data, while logging a warning 
> for the guardrail.
> Because compaction will fail every time when trying to compact the affected 
> SSTables, operators will either need to raise or remove the threshold or turn 
> off cursor compaction.
> This issue only happens when the cursor compaction is enabled and the 
> collection_size warn/fail thresholds or items_per_collection warn/fail 
> thresholds are set, and we are trying to compact a non-frozen static 
> collection. 



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