3 Aug
3 Aug
2:52 p.m.
新主题: Inquiry about XFS Atomic Write and MariaDB Adaptation
On 2023/8/3 14:19, guoweikang wrote:
Joseph Qi <mailto:Joseph Qi
<joseph.qi(a)linux.alibaba.com>>m>>:
Hi,
I hope this email finds you well. I am writing to seek some clarification regarding XFS
Atomic Write and the adaptation of MariaDB. I have followed the instructions on the
website you provided for enabling XFS Atomic Write, but I haven't seen any successful
log entries on my local system.
As mentioned in my previous email, I suspect that MariaDB might have some modifications
for XFS 16K Atomic Write support. I have indeed found relevant information in the
following repository:
https://gitee.com/anolis/mariadb-server/commits/joseph/10.5-atomic-write
<https://gitee.com/anolis/mariadb-server/commits/joseph/10.5-atomic-write>. It seems
that the adaptation for MariaDB was added as part of your patch modifications.
Your MariaDB needs to be modified to enable this feature.
Now, I have a few questions and uncertainties:
1. 1 Are these patches already merged into the mainline? Based on my investigation, I
couldn't find any records of them being merged.
These patches won't be merged to the community mainline (either XFS or MariaDB),
since:
1) XFS has their two own ways to do atomic write:
a) use atomic extent swap developped by Darrick;
https://lore.kernel.org/r/168506064947.3734442.7654653738998941813.stgit@fr…
b) use aligned extent way much like ext4 bigalloc, which is developped by another
Oracle guy:
https://lore.kernel.org/r20230503183821.1473305-1-john.g.garry@oracle.com/
2) Our XFS Atomic Write is only landed on Anolis OS.
2. 2 Is there a possibility that the installation
instructions in the provided guide for MariaDB are incorrect?
3. 3 Should I consider installing MariaDB from your joseph/10.5(3)-atomic-write branch
to ensure proper XFS Atomic Write support?
I think if you use anolis os and follow the guide, it should work.
Thanks,
Gao Xiang
4.
I apologize for any inconvenience, and I greatly appreciate your assistance in clarifying
these matters. Thank you for your time and support.
Best regards,
guoweikang(a)cmss.chinamobile.com
4:32 p.m.
新主题: Inquiry about XFS Atomic Write and MariaDB Adaptation
Seems I can't see the email content.
Joseph
On 8/3/23 2:19 PM, guoweikang wrote:
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Gao Xiang
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guoweikang
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Joseph Qi