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Posted to commits@cassandra.apache.org by "Joshua McKenzie (JIRA)" <ji...@apache.org> on 2014/04/08 00:28:18 UTC

[jira] [Created] (CASSANDRA-6993) Windows: remove mmap'ed I/O for index files and force standard file access

Joshua McKenzie created CASSANDRA-6993:
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             Summary: Windows: remove mmap'ed I/O for index files and force standard file access
                 Key: CASSANDRA-6993
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6993
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Joshua McKenzie
            Assignee: Joshua McKenzie
            Priority: Minor
             Fix For: 3.0


Memory-mapped I/O on Windows causes issues with hard-links; we're unable to delete hard-links to open files with memory-mapped segments even using nio.  We'll need to push for close to performance parity between mmap'ed I/O and buffered going forward as the buffered / compressed path offers other benefits.



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