Re: Writing large build logs to NFS extremely slow?

From: Rick Macklem <rmacklem_at_uoguelph.ca>
Date: Sat, 09 Oct 2021 16:21:35 UTC
Felix Palmen wrote:
[stuff snipped]
>Ok, thanks for the insight here! So maybe, I could have a look at
>poudriere's code? If I understand you correctly, keeping the file open
>and just issuing more write() calls wouldn't trigger that problem?
Nope, I don't think keeping the file open would help much.
However, if the file is opened with O_DIRECT, you could try setting
# sysctl vfs.nfs.nfs_directio_enable=1
in the NFS client machine.

rick

> You could try the "nocto" mount option, which might help, if the log file
> is being re-opened many times, but I doubt it will help.

Well, I take any suggestion, so will try that as well and report back,
thanks again!

Side note, please don't CC/To me, I'm subscribed the list ;)

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