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Posted to hdfs-dev@hadoop.apache.org by "Colin Patrick McCabe (JIRA)" <ji...@apache.org> on 2013/08/15 22:54:56 UTC

[jira] [Created] (HDFS-5101) ZCR should work with blocks bigger than 2 GB

Colin Patrick McCabe created HDFS-5101:
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             Summary: ZCR should work with blocks bigger than 2 GB
                 Key: HDFS-5101
                 URL: https://issues.apache.org/jira/browse/HDFS-5101
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: hdfs-client
            Reporter: Colin Patrick McCabe
            Priority: Minor


Zero-copy reads should work with blocks bigger than 2 GB.  This will a little tricky, because a single ByteBuffer can only span 2 GB in Java (due to the use of a signed 4-byte int for sizes, etc).

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