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Posted to commits@cassandra.apache.org by "Joshua McKenzie (JIRA)" <ji...@apache.org> on 2015/01/30 18:59:34 UTC

[jira] [Created] (CASSANDRA-8709) Convert SequentialWriter from using RandomAccessFile to nio channel

Joshua McKenzie created CASSANDRA-8709:
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             Summary: Convert SequentialWriter from using RandomAccessFile to nio channel
                 Key: CASSANDRA-8709
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8709
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Joshua McKenzie
            Assignee: Joshua McKenzie
             Fix For: 3.0


For non-mmap'ed I/O on Windows, using nio channels will give us substantially more flexibility w/regards to renaming and moving files around while writing them.  This change in conjunction with CASSANDRA-4050 should allow us to remove the Windows bypass code in SSTableRewriter for non-memory-mapped I/O.

In general, migrating from instances of RandomAccessFile to nio channels will help make Windows and linux behavior more consistent.



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