From user-return-11547-archive-asf-public=cust-asf.ponee.io@zookeeper.apache.org Sun Jul 15 17:02:34 2018 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 B9C5C180621 for ; Sun, 15 Jul 2018 17:02:33 +0200 (CEST) Received: (qmail 76408 invoked by uid 500); 15 Jul 2018 15:02:32 -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 76393 invoked by uid 99); 15 Jul 2018 15:02:31 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd2-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 15 Jul 2018 15:02:31 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd2-us-west.apache.org (ASF Mail Server at spamd2-us-west.apache.org) with ESMTP id 6C2431A3DB6 for ; Sun, 15 Jul 2018 15:02:31 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd2-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -2.411 X-Spam-Level: X-Spam-Status: No, score=-2.411 tagged_above=-999 required=6.31 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, RCVD_IN_DNSWL_MED=-2.3, SPF_PASS=-0.001, T_DKIMWL_WL_MED=-0.01] autolearn=disabled Authentication-Results: spamd2-us-west.apache.org (amavisd-new); dkim=pass (2048-bit key) header.d=icloud.com Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd2-us-west.apache.org [10.40.0.9]) (amavisd-new, port 10024) with ESMTP id QA-iqSJ2sPWO for ; Sun, 15 Jul 2018 15:02:30 +0000 (UTC) Received: from mr21p30im-asmtp003.me.com (mr21p30im-asmtp003.me.com [17.111.174.66]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTPS id 325255F300 for ; Sun, 15 Jul 2018 15:02:30 +0000 (UTC) Received: from process-dkim-sign-daemon.mr21p30im-asmtp003.me.com by mr21p30im-asmtp003.me.com (Oracle Communications Messaging Server 8.0.1.2.20170607 64bit (built Jun 7 2017)) id <0PBW00F00X9GOY00@mr21p30im-asmtp003.me.com> for user@zookeeper.apache.org; Sun, 15 Jul 2018 15:02:23 +0000 (GMT) Received: from icloud.com ([127.0.0.1]) by mr21p30im-asmtp003.me.com (Oracle Communications Messaging Server 8.0.1.2.20170607 64bit (built Jun 7 2017)) with ESMTPSA id <0PBW005H7XRSWK10@mr21p30im-asmtp003.me.com> for user@zookeeper.apache.org; Sun, 15 Jul 2018 15:02:23 +0000 (GMT) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:,, definitions=2018-07-15_05:,, signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 clxscore=1011 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000 definitions=main-1807150182 From: ZongtianHou Content-type: text/plain; charset=us-ascii Content-transfer-encoding: quoted-printable MIME-version: 1.0 (Mac OS X Mail 10.3 \(3273\)) Subject: concept question for zookeeper Message-id: Date: Sun, 15 Jul 2018 23:02:13 +0800 To: user@zookeeper.apache.org X-Mailer: Apple Mail (2.3273) Hi,everyone: I am new to zookeeper, I have set up kerberos for a hdfs cluster, I want = to know if I have to set up kerberos for zookeeper if I want to use it = in the secured hdfs cluster. And, if there is a document which explain = the concept and theory in zookeeper, like learner, server, follower, = and how they work with each other to achieve the distribution = coordination, how can I change their behaviour with conf files, since = the overview in official site is quite simple and quick jump into the = API. Thanks very much for some clues!!=