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https://issues.apache.org/jira/browse/CASSANDRA-13326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15926023#comment-15926023
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Jason Brown edited comment on CASSANDRA-13326 at 3/15/17 12:09 PM:
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The attached is simple enough, so +1 on that. However, we also look at
architecture in {{CLIbrary}}, for determining the flags for {{mlockall}}. We
special case PPC
[here|https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/utils/CLibrary.java#L96],
does anything need to happen for AArch64 or can it use same values as the
non-PPC path?
was (Author: jasobrown):
The attached is simple enough, so +1 on that. However, we also look at
architecture in {{CLIbrary}}, for determining the flags for {{mlockall}}. We
special case PPC
[here|https://github.com/apache/cassandra/blob/trunk/src/java/org/apache/cassandra/utils/CLibrary.java#L96],
does anything need to happen for AArch64?
> Support unaligned memory access for AArch64
> ---------------------------------------------
>
> Key: CASSANDRA-13326
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13326
> Project: Cassandra
> Issue Type: Improvement
> Components: Observability, Testing
> Environment: ARM [email protected] (Hisilicon Taishan/ Cavium
> ThunderX)
> Ubuntu 16.04.1 LTS
> Reporter: yuqi
> Priority: Minor
> Fix For: 4.0, 3.11.x
>
> Attachments: 13326-3.10.txt
>
>
> ARMv8 (AArch64) supports unaligned memory access. The patch will enable it
> and will improve performance on AArch64
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