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Posted to commits@cassandra.apache.org by "Tyler Hobbs (JIRA)" <ji...@apache.org> on 2014/04/04 22:41:26 UTC

[jira] [Updated] (CASSANDRA-6912) SSTableReader.isReplaced does not allow for safe resource cleanup

     [ https://issues.apache.org/jira/browse/CASSANDRA-6912?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tyler Hobbs updated CASSANDRA-6912:
-----------------------------------

    Since Version: 2.1 beta1

> SSTableReader.isReplaced does not allow for safe resource cleanup
> -----------------------------------------------------------------
>
>                 Key: CASSANDRA-6912
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6912
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Benedict
>            Assignee: Benedict
>             Fix For: 2.1 beta2
>
>
> There are a number of possible race conditions on resource cleanup from the use of cloneWithNewSummarySamplingLevel, because the replacement sstable can be itself replaced/obsoleted while the prior sstable is still referenced (this is actually quite easy with compaction, but can happen in other circumstances less commonly).



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