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https://issues.apache.org/jira/browse/CASSANDRA-5182?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yuki Morishita updated CASSANDRA-5182:
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Fix Version/s: 1.2.1
1.1.10
> Deletable rows are sometimes not removed during compaction
> ----------------------------------------------------------
>
> Key: CASSANDRA-5182
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5182
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.1.5
> Reporter: Binh Van Nguyen
> Assignee: Yuki Morishita
> Fix For: 1.1.10, 1.2.1
>
> Attachments: 5182-1.1.txt, test_ttl.tar.gz
>
>
> Our use case is write heavy and read seldom. To optimize the space used,
> we've set the bloom_filter_fp_ratio=1.0 That along with the fact that each
> row is only written to one time and that there are more than 20 SSTables
> keeps the rows from ever being compacted. Here is the code:
> https://github.com/apache/cassandra/blob/cassandra-1.1/src/java/org/apache/cassandra/db/compaction/CompactionController.java#L162
> We hit this conner case and because of this C* keeps consuming more and more
> space on disk while it should not.
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