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=0.8 required=5.0 tests=DATE_IN_PAST_12_24 autolearn=no autolearn_force=no version=3.4.4 Received: (qmail 26992 invoked from network); 26 Mar 2021 10:15:52 -0000 Received: from 1ess.inri.net (216.126.196.35) by inbox.vuxu.org with ESMTPUTF8; 26 Mar 2021 10:15:52 -0000 Received: from 5ess.inri.net ([107.191.111.177]) by 1ess; Thu Mar 25 09:48:42 -0400 2021 Received: from [127.0.0.1] ([104.59.85.219]) by 5ess; Thu Mar 25 09:48:42 -0400 2021 Date: Thu, 25 Mar 2021 09:48:40 -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: social advanced persistence package-aware enhancement Subject: Re: [9front] issues with the mailing list Reply-To: 9front@9front.org Precedence: bulk 1ess; walk /mail/queue|wc -l 6906 divide this number roughly in three to get the number of presently undeliv= ered messages (to all lists; this machine serves all/only 9front/cat-v/werc= lists)=2E of those, the vast majority are transient dns lookup failures fo= r good domains=2E we alleviated this somewhat already by extending the look= up timeout, but clearly something else is going on=2E all of this started when I moved the server back to 9cloud from ramnode=2E= the first thing we noticed was the default setup hammered the now non-ssd = disk by launching runq every time it processed a message=2E this brought th= e whole machine to a crawl (this machine also serves the websites -- people= complained)=2E that was solved by parallelizing a limited number of runqs = and launching them periodically from cron=2E the side effect of this is exp= osing all kinds of weirdness that was previously masked by the never-ending= blast of runqs, which, in spite of transient failures, always eventually c= lears out the queue=2E I'm not yet sure why the transient dns failures are happening=2E sl