[jira] [Created] (SPARK-17127) Make cached unaligned-access capability available for AArch64

["Richael Zhuang (JIRA)" <ji...@apache.org>]

Richael Zhuang created SPARK-17127:
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             Summary: Make cached unaligned-access capability available for AArch64
                 Key: SPARK-17127
                 URL: https://issues.apache.org/jira/browse/SPARK-17127
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 2.0.0, 2.1.0
         Environment: AArch64
            Reporter: Richael Zhuang


From the spark of version 2.0.0 , when MemoryMode.OFF_HEAP is set , whether the architecture supports unaligned access or not is checked. If the check doesn't pass, exception is raised. 

We know that AArch64 also supports unaligned access , but now only i386, x86, amd64, and X86_64 are included. 

I think we should include aarch64 when performing the check.
 




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