[GitHub] [spark] srowen commented on a change in pull request #32363: [SPARK-34979][PYTHON][DOC] Add PyArrow installation note for PySpark aarch64 user

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srowen commented on a change in pull request #32363:
URL: https://github.com/apache/spark/pull/32363#discussion_r621271736



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File path: python/docs/source/getting_started/install.rst
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@@ -164,3 +164,11 @@ Package       Minimum supported version Note
 Note that PySpark requires Java 8 or later with ``JAVA_HOME`` properly set.  
 If using JDK 11, set ``-Dio.netty.tryReflectionSetAccessible=true`` for Arrow related features and refer
 to |downloading|_.
+
+Note for AArch64(Arm64) user: The PyArrow is required by PySpark SQL, but the

Review comment:
       Let's rewrite this to fix a number of typos:
   
   Note for AArch64 (ARM64) users: PyArrow is required by PySpark SQL, but PyArrow support for AArch64 is introduced in PyArrow 4.0.0. If PySpark installation fails on AArch64 due to PyArrow installation errors, you can install PyArrow >= 4.0.0 as below:




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