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Date: Thu, 12 Sep 2019 07:37:58 -0400
From: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
To: Eric Wong <e@80x24.org>
Cc: meta@public-inbox.org
Subject: Re: httpd 502s [was: trying to figure out 100% CPU usage in nntpd...]
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On Thu, Sep 12, 2019 at 08:35:03AM +0000, Eric Wong wrote:
> Eric Wong <e@80x24.org> wrote:
> > One more thing, are you running any extra middlewares in the
> > .psgi file?  Thanks.

No, it's just vanilla what comes with the source.

> That's probably not it, I suspected the non-fileno path was
> being hit, but I just tested a debug change on top of
> b7cfd5aeff4b6b316b61b327af9c144776d77225 (branch: "unlink")
> ("tmpfile: support O_APPEND and use it in DS::tmpio")
> to fake the presence of a middleware wrapping psgi.input.

I sent you a dump of lsof -p of all 4 processes after about 20 minutes
of running. For another data point, the daemon was running in
SELinux-permissive mode, to make sure unlinks aren't failing because of
any permission errors.

Let me know if you would like any further info.

Best,
-K