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From "Joshua McKenzie (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-8271) Remove SSTableDeletingTask
Date Tue, 08 Dec 2015 16:47:11 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-8271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Joshua McKenzie updated CASSANDRA-8271:
---------------------------------------
    Component/s: Local Write-Read Paths

> Remove SSTableDeletingTask
> --------------------------
>
>                 Key: CASSANDRA-8271
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8271
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Local Write-Read Paths
>            Reporter: Joshua McKenzie
>            Assignee: Joshua McKenzie
>            Priority: Minor
>
> With CASSANDRA-4050 and CASSANDRA-6993, our out-of-order deletion problems w/regards
to Windows are resolved and the only outstanding reason to have SSTableDeletingTask would
be for support of non-sun VM's w/regards to mmap'ed files.  As this is no longer a big concern
in the Cassandra ecosystem (non-sun VM's), we should remove SSTableDeletingTask.
> The one caveat is that if we want to revisit mmap'ed I/O on Windows in the future we
may need to re-use this type of "delayed deletion" approach due to Windows not allowing deletion
of hard linked files w/memory-mapped segments in the original file, but CASSANDRA-5863 would
obviate that concern.



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