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identity=mailfrom; envelope-from="ori@eigenstate.org"; helo=mimir.eigenstate.org; client-ip=206.124.132.107 Received: from mimir.eigenstate.org (mimir.eigenstate.org [206.124.132.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by tb-mx0.topicbox.com (Postfix) with ESMTPS for <9fans@9fans.net>; Tue, 27 Oct 2020 23:19:00 -0400 (EDT) (envelope-from ori@eigenstate.org) Received: from abbatoir.fios-router.home (pool-74-101-2-6.nycmny.fios.verizon.net [74.101.2.6]) by mimir.eigenstate.org (OpenSMTPD) with ESMTPSA id 505ee1e8 (TLSv1.2:ECDHE-RSA-AES256-SHA:256:NO); Tue, 27 Oct 2020 20:18:59 -0700 (PDT) Message-ID: <8CF14FFBB1391EA2E53B771B23D0E0C3@eigenstate.org> To: lucio.dere@gmail.com, 9fans@9fans.net Subject: Re: [9fans] Re: Flakey DNS server Date: Tue, 27 Oct 2020 20:18:58 -0700 From: ori@eigenstate.org In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 57347b68-18cc-11eb-a98f-b96f58b1b7c2 > A few steps down the line, I managed to use the second Internet link > to provision data for the mobile backup link (2), by which time the > Internet link (would you believe that both Internet services run on a > long distance wi-fi connection?) had been restored. And that is when I > noticed that the Plan 9 DNS server had reached 100, then 200 opened > file handles as reported by the kernel console. Sounds like an fd leak; I'd grep around for open() calls, and see if any were missing a close in if the open fails. You can get some hints at what's been opened by looking in /proc/$pid/fd -- there'll probably be a bunch of things open to the same file.