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https://issues.apache.org/jira/browse/CASSANDRA-13326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15927562#comment-15927562
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yuqi commented on CASSANDRA-13326:
----------------------------------
Hi jeff,
Thanks for your advice.
In my Environment:
ent-user@cassandra-ubt:~/cassandra.snappy-java$ arch
aarch64
ent-user@cassandra-ubt:~/cassandra.snappy-java$ cat /etc/os-release
NAME="Ubuntu"
VERSION="16.04.1 LTS (Xenial Xerus)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 16.04.1 LTS"
VERSION_ID="16.04"
HOME_URL="http://www.ubuntu.com/";
SUPPORT_URL="http://help.ubuntu.com/";
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/";
VERSION_CODENAME=xenial
UBUNTU_CODENAME=xenial
The Unit tests result is attached with command "ant test".
Only one test case is failed:
[junit] Testsuite: org.apache.cassandra.locator.DynamicEndpointSnitchTest Tests
run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 3.031 sec
junit] Testcase:
testSnitch(org.apache.cassandra.locator.DynamicEndpointSnitchTest): FAILED
[junit] expected:<[/127.0.0.2, /127.0.0.3, /127.0.0.4, /127.0.0.5]> but
was:<[/127.0.0.5, /127.0.0.2, /127.0.0.4, /127.0.0.3]>
[junit] junit.framework.AssertionFailedError: expected:<[/127.0.0.2,
/127.0.0.3, /127.0.0.4, /127.0.0.5]> but was:<[/127.0.0.5, /127.0.0.2,
/127.0.0.4, /127.0.0.3]>
[junit] at
org.apache.cassandra.locator.DynamicEndpointSnitchTest.testSnitch(DynamicEndpointSnitchTest.java:105)
[junit]
[junit]
[junit] Test org.apache.cassandra.locator.DynamicEndpointSnitchTest FAILED.
> 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 Cortex-A57@2.1GHz (Hisilicon Taishan/ Cavium
> ThunderX)
> Ubuntu 16.04.1 LTS
> Reporter: yuqi
> Assignee: yuqi
> Priority: Minor
> Fix For: 4.0, 3.11.x
>
> Attachments: 13326-3.10.txt, UT_log.txt
>
>
> ARMv8 (AArch64) supports unaligned memory access. The patch will enable it
> and will improve performance on AArch64
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