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https://issues.apache.org/jira/browse/FLINK-13449?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16899923#comment-16899923
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wangxiyuan commented on FLINK-13449:
------------------------------------
Take
[testBlockingPartitionIsConsumableMultipleTimesIfNotReleasedOnConsumption|https://github.com/apache/flink/blob/master/flink-runtime/src/test/java/org/apache/flink/runtime/io/network/partition/ResultPartitionTest.java#L122]
as an exmaple:
Since aarch64 is not supported, the
[BoundedBlockingType|https://github.com/apache/flink/blob/master/flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/ResultPartitionFactory.java#L197]
will be *FILE* instead of *FILE_MMAP*. Then
when read the
[Buffer|https://github.com/apache/flink/blob/master/flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/BoundedBlockingSubpartitionReader.java#L71],
it try to [get 4
bit|https://github.com/apache/flink/blob/master/flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/BufferReaderWriterUtil.java#L159],
but the segment is only 1 bit, then *IndexOutOfBoundsException* error raised.
Just explained from code layer, since I'm still a newbie for Flink, Sorry that
I don't know the deep Flink concept at this moment.
> Add ARM architecture to MemoryArchitecture
> ------------------------------------------
>
> Key: FLINK-13449
> URL: https://issues.apache.org/jira/browse/FLINK-13449
> Project: Flink
> Issue Type: Sub-task
> Reporter: Stephan Ewen
> Priority: Major
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Currently, {{Memoryarchitecture}} recognizes only various versions of x86 and
> amd64 / ia64.
> We should add aarch64 for ARM to the known architectures.
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