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Posted to common-dev@hadoop.apache.org by "Colin Patrick McCabe (JIRA)" <ji...@apache.org> on 2013/09/05 03:26:51 UTC

[jira] [Created] (HADOOP-9934) the generic (non x86) libhadoop CRC code makes unaligned loads and stores

Colin Patrick McCabe created HADOOP-9934:
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             Summary: the generic (non x86) libhadoop CRC code makes unaligned loads and stores
                 Key: HADOOP-9934
                 URL: https://issues.apache.org/jira/browse/HADOOP-9934
             Project: Hadoop Common
          Issue Type: Bug
          Components: native
    Affects Versions: 2.3.0
            Reporter: Colin Patrick McCabe
            Priority: Minor


The generic (non-x86) libhadoop CRC code makes unaligned loads and stores.  Some architectures don't support unaligned loads and stores, or they are slow.  This code should be made truly CPU-neutral by removing unaligned access.

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