user/dev discussion of public-inbox itself
 help / color / mirror / code / Atom feed
From: Eric Wong <e@80x24.org>
To: Konstantin Ryabitsev <konstantin@linuxfoundation.org>
Cc: meta@public-inbox.org
Subject: Re: httpd 502s [was: trying to figure out 100% CPU usage in nntpd...]
Date: Wed, 11 Sep 2019 17:12:50 +0000	[thread overview]
Message-ID: <20190911171250.vqqpaeb7sn34hv3s@dcvr> (raw)
In-Reply-To: <20190911102436.GA21959@pure.paranoia.local>

Konstantin Ryabitsev <konstantin@linuxfoundation.org> wrote:
> To give some more data points, downgrading to f4f0a3be still shows a
> number of /tmp/PerlIO* (deleted) entries, but the number of pipes stays
> the same over time. If I switch to the latest master, the number of
> broken pipes grows steadily following each git pull (in the hundreds
> after 10 minutes of running).

Thanks for that info, did those deleted entries eventually go
away (perhaps after several minutes)?

Kinda difficult to tie those to the corresponding TCP connection
atm, though.  I should probably put the TCP socket inode number
into the pre-unlink tempfile name to make that relationship
traceable.

> I've downgraded lore.kernel.org to f4f0a3be for now to avoid the
> resource exhaustion.

I'll try to reproduce it later today or this week.

  reply	other threads:[~2019-09-11 17:12 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-08 10:45 [PATCH] nntp: regexp always consumes rbuf if "\n" exists Eric Wong
2019-09-08 10:52 ` trying to figure out 100% CPU usage in nntpd Eric Wong
2019-09-09 10:05   ` Konstantin Ryabitsev
2019-09-09 17:53     ` Eric Wong
2019-09-10  8:38       ` Konstantin Ryabitsev
2019-09-10 18:12         ` Eric Wong
2019-09-11  2:22           ` httpd 502s [was: trying to figure out 100% CPU usage in nntpd...] Eric Wong
2019-09-11 10:24             ` Konstantin Ryabitsev
2019-09-11 17:12               ` Eric Wong [this message]
2019-09-11 17:36                 ` Konstantin Ryabitsev
2019-09-12  0:05                   ` Eric Wong
2019-09-12  2:49                     ` Eric Wong
2019-09-12  8:35                       ` Eric Wong
2019-09-12 11:37                         ` Konstantin Ryabitsev
2019-09-13  3:12                           ` Eric Wong
2019-09-13  7:03                             ` Eric Wong
2019-09-13  9:01                             ` Eric Wong
2019-09-13 18:07                             ` Konstantin Ryabitsev
2019-09-14  5:25                               ` Eric Wong
2019-09-11  9:44           ` trying to figure out 100% CPU usage in nntpd Konstantin Ryabitsev
2019-09-11 17:12             ` Eric Wong

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: http://public-inbox.org/README

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190911171250.vqqpaeb7sn34hv3s@dcvr \
    --to=e@80x24.org \
    --cc=konstantin@linuxfoundation.org \
    --cc=meta@public-inbox.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://80x24.org/public-inbox.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).