From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 23858 invoked from network); 8 Jun 2021 20:54:53 -0000 Received: from 1ess.inri.net (216.126.196.35) by inbox.vuxu.org with ESMTPUTF8; 8 Jun 2021 20:54:53 -0000 Received: from 5ess.inri.net ([107.191.111.177]) by 1ess; Tue Jun 8 16:50:02 -0400 2021 Received: from [127.0.0.1] ([107.207.65.229]) by 5ess; Tue Jun 8 16:31:55 -0400 2021 Date: Tue, 08 Jun 2021 16:31:53 -0400 From: Stanley Lieber To: 9front@9front.org In-Reply-To: References: Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable List-ID: <9front.9front.org> List-Help: X-Glyph: ➈ X-Bullshit: proven SVG map/reduce realtime-java locator Subject: Re: [9front] mailing list issues Reply-To: 9front@9front.org Precedence: bulk On June 8, 2021 3:07:10 PM EDT, Julien Blanchard = wrote: > >> Le 8 juin 2021 =C3=A0 20:37, Stanley Lieber a = =C3=A9crit : >>=20 >> =EF=BB=BFmessages arrive out of order=2E messages arrive late=2E messag= es don't arrive at all=2E >>=20 >> I see a lot of stuff like: >>=20 >> 1ess Jun 8 14:10:41 delivery '/net=2Ealt/dns' does not exist ([known g= ood hostname]) >>=20 >> in the logs=2E >>=20 >> sl > >Not sure it can help (I don=E2=80=99t know much about email) but I got DM= ARC issues every time I sent an email to the list when a year earlier it se= emed to work fine=2E From my server that is so maybe I=E2=80=99m at fault h= ere=2E > >=E2=80=94 >julienxx > upas can't do any kind of dmarc at all=2E trouble amplified when we moved off of ramnode ssd-backed disk to 9cloud= =2E we had similar problems years ago when we were on 9cloud before we move= d to ramnode=2E the way mail is sent, runq hammered the disk, which severely tanked perfor= mance on spinning platter disks=2E we tinkered with it a bit and arrived at= the current situation, where sending a message to a list no longer brings = the entire system to a crawl, but still exhibits the same other defects=2E we ignored this problem for years by throwing an ssd at it=2E not much investigation has gone into wtf is going on, but now more people = have cpu access to 1ess (mail and web server), so maybe somebody feels like= taking a look=2E sl