From user-return-12111-archive-asf-public=cust-asf.ponee.io@zookeeper.apache.org Tue Sep 3 11:22:22 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 [207.244.88.153]) by mx-eu-01.ponee.io (Postfix) with SMTP id B3CC1180637 for ; Tue, 3 Sep 2019 13:22:21 +0200 (CEST) Received: (qmail 70646 invoked by uid 500); 3 Sep 2019 13:02:54 -0000 Mailing-List: contact user-help@zookeeper.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@zookeeper.apache.org Delivered-To: mailing list user@zookeeper.apache.org Received: (qmail 70634 invoked by uid 99); 3 Sep 2019 13:02:54 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd4-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 03 Sep 2019 13:02:54 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd4-us-west.apache.org (ASF Mail Server at spamd4-us-west.apache.org) with ESMTP id EB8F3C1CFA for ; Tue, 3 Sep 2019 11:22:19 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd4-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: 2.552 X-Spam-Level: ** X-Spam-Status: No, score=2.552 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, FREEMAIL_ENVFROM_END_DIGIT=0.25, HTML_MESSAGE=2, KAM_NUMSUBJECT=0.5, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=disabled Authentication-Results: spamd4-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com Received: from mx1-ec2-va.apache.org ([10.40.0.8]) by localhost (spamd4-us-west.apache.org [10.40.0.11]) (amavisd-new, port 10024) with ESMTP id 2eJQ_xUK2yWc for ; Tue, 3 Sep 2019 11:22:17 +0000 (UTC) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=209.85.210.193; helo=mail-pf1-f193.google.com; envelope-from=wander4096@gmail.com; receiver= Received: from mail-pf1-f193.google.com (mail-pf1-f193.google.com [209.85.210.193]) by mx1-ec2-va.apache.org (ASF Mail Server at mx1-ec2-va.apache.org) with ESMTPS id 5EA44BC7A9 for ; Tue, 3 Sep 2019 11:22:17 +0000 (UTC) Received: by mail-pf1-f193.google.com with SMTP id b13so3950882pfo.8 for ; Tue, 03 Sep 2019 04:22:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=x2m7V/c1YoaJY2GMXNoemMGNw0SuRP7/F5oJLI1oUjM=; b=K8bDFKojbLZtdTBqcA3vvs94xnlyZjHTrXprLag/ap9uYOCi0mBT3bQsklWFMlQ5+Y 3mhxx9LBs4EHaGri8kOpdhLtFHGXsMdOaAGpU/mYXCLTU6bio1bvN1KueQMTq3klbp9F EbNM+6aLvdfGeM5L6kbVytOcLaJT81JMr+Yb2wRWud9w9VLOEJ5YJEj/0G/TBzaXQAsO EMHpT9+DZiLtw1XsfKKR8zt+lckAt2lhQ9/dnsxQQkSfMI1NBXywJ8/QWKYoXTnaLo6H URmMEM/eARdenymLcOjh1FEmCnO+AZ5fSUIocMzHKflt8kZzSgPkD+4DR/1MESGGZb3f OI1Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=x2m7V/c1YoaJY2GMXNoemMGNw0SuRP7/F5oJLI1oUjM=; b=QJCC7iFzlOCUU57GQaX1H8Gie7Jh/q+5KTunyOZBQcI517v+JLqWJK4To1hwtq2Sf0 7W8J6o0vw37uEVPBqthmhDKDcYfpFF64gYezz+7eOtAxkgyQz/EWJuRS5PhYqtAdKKQP U0rTZouWOXX9q6TFYjZIsxFrJcsMo9t6AivQ0E65kgGzPgf70X4/uuW7nQCwW0y2/MBh wASlLLlcjiXNUhSqA7l13I0DhX0cCFiu8q1Rz8djxmnr7xCWX3FnTX7E6wOPgmMH+kBD XptQg28gNG5LywGmNdmYeyBk398oBVUi6n8R1t/7sIITMyDhPUebq95tl69GLAcynM4p SboA== X-Gm-Message-State: APjAAAV0I9MQrEDuqePdrDdYCz5cFfY6gPZRAXeKhiioDl2j/l6hTltP xXCRctMMtg+9VOGB/VD9Sfd1Ai3FKH5QX1SOiGxXVfyk43k= X-Google-Smtp-Source: APXvYqyEAnxYMZrjzveIOTivmxds7zNituIen1AJ2qyYbiiOV69237TMcVojaR4xlJ0jCRUFiMIvkDhSgroPcotiKwU= X-Received: by 2002:a17:90a:c70e:: with SMTP id o14mr18384582pjt.56.1567509736364; Tue, 03 Sep 2019 04:22:16 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Zili Chen Date: Tue, 3 Sep 2019 19:21:57 +0800 Message-ID: Subject: Re: Migrate from 3.4.x to 3.5.5 To: user@zookeeper.apache.org Content-Type: multipart/alternative; boundary="000000000000049c530591a44d06" --000000000000049c530591a44d06 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Well, we cannot make any reasonable fallback from a previous version, but isn't it regraded as a break changes? Best, tison. Zili Chen =E4=BA=8E2019=E5=B9=B49=E6=9C=883=E6=97=A5= =E5=91=A8=E4=BA=8C =E4=B8=8B=E5=8D=887:20=E5=86=99=E9=81=93=EF=BC=9A > Hi here, > > If I communicate quorums running zk 3.4 with a zk 3.5 client, when I am > trying to create node in CONTAINER mode the quorums will compliant > with KeeperException.UnimplementedException. > > That is to say, as a client application, if I upgrade zk to 3.5 and then > make use of this new feature, we doesn't have a fallback when zk server > version is 3.4 to PERSISTENT or something like that, but just fail with > an exception. Is it expected? If so, it seems upgrade client side force > user to upgrade server side also. > > Best, > tison. > > > Zili Chen =E4=BA=8E2019=E5=B9=B48=E6=9C=8826=E6=97= =A5=E5=91=A8=E4=B8=80 =E4=B8=8B=E5=8D=888:47=E5=86=99=E9=81=93=EF=BC=9A > >> Thanks for your insight Andor! >> >> I'll checkout the page :-) >> >> Best, >> tison. >> >> >> Andor Molnar =E4=BA=8E2019=E5=B9=B48=E6=9C=8826=E6=97= =A5=E5=91=A8=E4=B8=80 =E4=B8=8B=E5=8D=888:41=E5=86=99=E9=81=93=EF=BC=9A >> >>> Hi Zili, >>> >>> There=E2=80=99s no migration guide available for 3.5, because it should= n=E2=80=99t break >>> any existing functionality and no need to upgrade the database either. >>> >>> I=E2=80=99ve created a wiki page to collect upgrade experiences from us= ers which >>> could give you some hint if you=E2=80=99re facing problems: >>> https://cwiki.apache.org/confluence/display/ZOOKEEPER/Upgrade+FAQ >>> >>> You can always drop an email here too to get help. >>> >>> Andor >>> >>> >>> >>> > On 2019. Aug 26., at 14:12, Zili Chen wrote: >>> > >>> > Detailedly, in Flink community we try to bump ZooKeeper version from >>> 3.4.10 >>> > to 3.5.5 but without accurate idea about how it would break existing >>> > systems. >>> > Mainly we make use of the "client" of ZooKeeper. >>> > >>> > >>> > Zili Chen =E4=BA=8E2019=E5=B9=B48=E6=9C=8826= =E6=97=A5=E5=91=A8=E4=B8=80 =E4=B8=8B=E5=8D=888:02=E5=86=99=E9=81=93=EF=BC= =9A >>> > >>> >> Hi, >>> >> >>> >> Is there any migration guide for potentially breaking changes and ho= w >>> to >>> >> deal with them? >>> >> >>> >> Best, >>> >> tison. >>> >> >>> >>> --000000000000049c530591a44d06--