From user-return-63414-archive-asf-public=cust-asf.ponee.io@cassandra.apache.org Tue Mar 12 18:48:28 2019 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by mx-eu-01.ponee.io (Postfix) with SMTP id E7196180600 for ; Tue, 12 Mar 2019 19:48:27 +0100 (CET) Received: (qmail 83110 invoked by uid 500); 12 Mar 2019 18:48:26 -0000 Mailing-List: contact user-help@cassandra.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@cassandra.apache.org Delivered-To: mailing list user@cassandra.apache.org Received: (qmail 83100 invoked by uid 99); 12 Mar 2019 18:48:26 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd3-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 12 Mar 2019 18:48:26 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd3-us-west.apache.org (ASF Mail Server at spamd3-us-west.apache.org) with ESMTP id B6FE9180AC9 for ; Tue, 12 Mar 2019 18:48:25 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd3-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 1.8 X-Spam-Level: * X-Spam-Status: No, score=1.8 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=2, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=disabled Authentication-Results: spamd3-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=smartthings.com Received: from mx1-lw-us.apache.org ([10.40.0.8]) by localhost (spamd3-us-west.apache.org [10.40.0.10]) (amavisd-new, port 10024) with ESMTP id TFChZjw-60fD for ; Tue, 12 Mar 2019 18:48:24 +0000 (UTC) Received: from mail-ed1-f46.google.com (mail-ed1-f46.google.com [209.85.208.46]) by mx1-lw-us.apache.org (ASF Mail Server at mx1-lw-us.apache.org) with ESMTPS id 2C24261185 for ; Tue, 12 Mar 2019 18:48:24 +0000 (UTC) Received: by mail-ed1-f46.google.com with SMTP id n14so3213461edv.8 for ; Tue, 12 Mar 2019 11:48:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=IW20Fa3YAbVjlIWTlKzNjehSFU6P7hD+X9sh8PS4X7A=; b=szwGSB6eb7ZJJP9kIePs0X8NzULB0t5umrvJiuLCwGJxO97gZqqNFFC+scpgZDqtoy /syhMT99EP3TJGBUdBX7lpgfEVSgyWIyd4G3MxNGvN92hTsHMwbIdMpPwFHdj1MkHVk8 z/hjObgV0Sz2ornB9l9YHHC4wjUzujAfGm8IAwgc/EqLGwVhePXWxvrpzbiKK1wRokAo QBx8hoBP9jgkCgUxl3JSbngvMD+T/A8Tg79YkOuNq1XgESazKqd4Ln9i/17Nbb+00QQF gk58UP6/FdgKg+Etu514iyVy2mReWqh2FseHsvCgFL2Sg5+TRH638UmYadPZz1yqFLM6 OE9g== X-Gm-Message-State: APjAAAVvLNMGaAjFlFc32VU/dpEpXLXUrzzs1zmZPn+6RZeGTL1ze5S9 Ym6er29QlrkwnfXCjL5/uile/e/rSUEuRuCQuKnnFul8 X-Google-Smtp-Source: APXvYqxzbWTdBeYkHtbvy5IYyJ0RDizL2tibjTQEkH5r/rjsL0ZwP1hpKRhkuKy0ggJYjcMCkfihegRBFC6zJihFNJo= X-Received: by 2002:a50:aa83:: with SMTP id q3mr4537768edc.63.1552416502599; Tue, 12 Mar 2019 11:48:22 -0700 (PDT) MIME-Version: 1.0 From: Carl Mueller Date: Tue, 12 Mar 2019 13:48:11 -0500 Message-ID: Subject: cassandra upgrades multi-DC in parallel To: user@cassandra.apache.org Content-Type: multipart/alternative; boundary="0000000000002e6b150583ea2243" --0000000000002e6b150583ea2243 Content-Type: text/plain; charset="UTF-8" If there are multiple DCs in a cluster, is it safe to upgrade them in parallel, with each DC doing a node-at-a-time? --0000000000002e6b150583ea2243 Content-Type: text/html; charset="UTF-8"
If there are multiple DCs in a cluster, is it safe to upgrade them in parallel, with each DC doing a node-at-a-time?
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