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https://issues.apache.org/jira/browse/CASSANDRA-2521?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Ellis updated CASSANDRA-2521:
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Attachment: 2521-v3.txt
rebased, merged patches. updated the deletion task to not bother retrying
until rescheduleFailedTasks is called -- there's negligible chance that GC will
happen to force an unmap otherwise. Also, added rescheduleFailedTasks to
GCInspector when it is notified of a CMS.
why does DT.removeOldSSTableSize acquire/release around markCompacted?
> Move away from Phantom References for Compaction/Memtable
> ---------------------------------------------------------
>
> Key: CASSANDRA-2521
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2521
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Chris Goffinet
> Assignee: Sylvain Lebresne
> Fix For: 1.0
>
> Attachments:
> 0001-Use-reference-counting-to-decide-when-a-sstable-can-.patch,
> 0001-Use-reference-counting-to-decide-when-a-sstable-can-v2.patch,
> 0002-Force-unmapping-files-before-deletion-v2.patch, 2521-v3.txt
>
>
> http://wiki.apache.org/cassandra/MemtableSSTable
> Let's move to using reference counting instead of relying on GC to be called
> in StorageService.
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