From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS15169 209.85.128.0/17 X-Spam-Status: No, score=-2.5 required=3.0 tests=AWL,BAYES_00, RCVD_IN_DNSWL_LOW,URIBL_BLOCKED shortcircuit=no autolearn=ham version=3.3.2 X-Original-To: unicorn-public@bogomips.org Received: from mail-pd0-f174.google.com (mail-pd0-f174.google.com [209.85.192.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by dcvr.yhbt.net (Postfix) with ESMTPS id E1F8B1FAF6 for ; Fri, 20 Mar 2015 01:59:08 +0000 (UTC) Received: by pdnc3 with SMTP id c3so93672008pdn.0 for ; Thu, 19 Mar 2015 18:59:08 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:content-type:mime-version:subject:from :in-reply-to:date:cc:message-id:references:to; bh=7JN3DKOYXZmDIqtmhvlMLi5d6XJAaHemzPgvwJKTA84=; b=GTfbLtRxxxZdODZyd0r8ZAecmFWOhbfxkS4jrOiGTGhahzo+bse/4cdm426IqTJ571 WityqWpEx3Wu7DZG+Zalgf/SDMEdjp90Vh66eZ+eTIbCjCVt5KAEB6en9D/SCPDQRBqK RxXVvunA356NbcAKW9v0txP1UnEzs4FyMJHCVqr0hv2yAlH3tcKTJm2S8PYl8MNbyOhO KeA14QaZN68TShpHRsn62TH2XGn+RBe+DY2sefB/YjXin9N+P96QgApIGmcU7TlvSY20 K0LtiyVEPh0uDu2VEfKLDmvf0m0M57m/9qSjK0nQTlxGU0D2C8aUr8Zd8Uk5ZUMKWgs3 jT3A== X-Gm-Message-State: ALoCoQkb2MdbDyDxJsRd+Gl1GmSH9Vej2Jqztb9J7x/zIB3tVzO7qWiRtyQN8KSURmxBwmU/C1sKQtzJRfFFflaf7RqPFp4UAO00EnmrBVE2l0cRwCbutmrDdSiWv4URh6VuwvEEzxVnM4pxYTPBXaHyBI93luYCRLqRqEgrjrguBv1cuY0XtIYKeOl4VpgwL4ku/UphNKCz X-Received: by 10.70.88.41 with SMTP id bd9mr152259924pdb.41.1426816748518; Thu, 19 Mar 2015 18:59:08 -0700 (PDT) Received: from [192.168.0.11] (CPE-120-148-101-46.bjzv2.lon.bigpond.net.au. [120.148.101.46]) by mx.google.com with ESMTPSA id dq4sm5053827pdb.96.2015.03.19.18.59.06 (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Thu, 19 Mar 2015 18:59:07 -0700 (PDT) Content-Type: multipart/signed; boundary="Apple-Mail=_44184EEF-D7C8-4920-90E6-CB8D05175972"; micalg="sha1"; protocol="application/pkcs7-signature" Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2090\)) Subject: Re: On USR2, new master runs with same PID From: Kevin Yank In-Reply-To: <20150312064541.GA8863@dcvr.yhbt.net> Date: Fri, 20 Mar 2015 12:58:58 +1100 Cc: unicorn-public@bogomips.org Message-Id: <31B22118-FCD4-4909-AB6F-47F99A05F111@avalanche.com.au> References: <2C0638F8-338C-4B06-B641-0DCF48D4D16A@avalanche.com.au> <20150312014515.GA10605@dcvr.yhbt.net> <20150312064541.GA8863@dcvr.yhbt.net> To: Eric Wong X-Mailer: Apple Mail (2.2090) X-Content-Filtered-By: PublicInbox::Filter 0.0.1 List-Id: --Apple-Mail=_44184EEF-D7C8-4920-90E6-CB8D05175972 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Regarding zero-downtime deploys: On 12 Mar 2015, at 5:45 pm, Eric Wong wrote: > Best bet would be to run with double the workers temporarily unless > you're too low on memory (and swapping) or backend (DB) connections or > any other resource. I=E2=80=99d like to take this approach as I do have enough memory to = spare. How do you usually implement this? Any good write-ups or sample = configs you can point me to? Thanks again, -- Kevin Yank Chief Technology Officer, Avalanche Technology Group http://avalanche.com.au/ ph: +61 4 2241 0083 --Apple-Mail=_44184EEF-D7C8-4920-90E6-CB8D05175972--