Return-Path: X-Original-To: apmail-zookeeper-user-archive@www.apache.org Delivered-To: apmail-zookeeper-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id BF28810771 for ; Wed, 26 Mar 2014 06:19:47 +0000 (UTC) Received: (qmail 60739 invoked by uid 500); 26 Mar 2014 06:19:46 -0000 Delivered-To: apmail-zookeeper-user-archive@zookeeper.apache.org Received: (qmail 60695 invoked by uid 500); 26 Mar 2014 06:19:45 -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 60682 invoked by uid 99); 26 Mar 2014 06:19:44 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 26 Mar 2014 06:19:44 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of rakeshr@huawei.com designates 119.145.14.65 as permitted sender) Received: from [119.145.14.65] (HELO szxga02-in.huawei.com) (119.145.14.65) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 26 Mar 2014 06:19:39 +0000 Received: from 172.24.2.119 (EHLO szxeml214-edg.china.huawei.com) ([172.24.2.119]) by szxrg02-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id BRP22757; Wed, 26 Mar 2014 14:19:16 +0800 (CST) Received: from SZXEML413-HUB.china.huawei.com (10.82.67.152) by szxeml214-edg.china.huawei.com (172.24.2.29) with Microsoft SMTP Server (TLS) id 14.3.158.1; Wed, 26 Mar 2014 14:19:14 +0800 Received: from szxeml561-mbx.china.huawei.com ([169.254.5.235]) by szxeml413-hub.china.huawei.com ([10.82.67.152]) with mapi id 14.03.0158.001; Wed, 26 Mar 2014 14:19:11 +0800 From: Rakesh R To: "user@zookeeper.apache.org" Subject: RE: Load on Zookeeper cluster? Thread-Topic: Load on Zookeeper cluster? Thread-Index: AQHPSKDctHt2XGeUMUyltgBttifEB5ryLUYAgAAF/ICAAAVdgIAAAn+AgACSRTD//4l8gIAAh80w Date: Wed, 26 Mar 2014 06:19:10 +0000 Message-ID: References: In-Reply-To: Accept-Language: en-US, zh-CN Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.18.170.130] Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-CFilter-Loop: Reflected X-Virus-Checked: Checked by ClamAV on apache.org If I understood the case correctly, Test :- 3 node ZK cluster, 600 sessions each will do one read operation(get= Children call) every one minute. I'm assuming the calls are equally distributed in time frame and it would b= e like : 600ops/60secs, average 10 ops/sec will go to 3 node cluster I also feel it should be, also it would be great if you publish the results= after your tests. -Rakesh -----Original Message----- From: Check Peck [mailto:comptechgeeky@gmail.com]=20 Sent: 26 March 2014 11:19 To: user Subject: Re: Load on Zookeeper cluster? Thanks that is also quite useful. For my above use case, I just need to get the children of a particular znod= e.. And that's what will be happening from all the 600 application machines= .. >From the wiki you provided, it looks it should be fine right? On Tue, Mar 25, 2014 at 10:13 PM, Rakesh R wrote: > > Please go through the below one, hope it will be helpful to you. Also,=20 > I would recommend to have a look at the basic zk configurations too.=20 > All the > best:) > > > https://cwiki.apache.org/confluence/display/ZOOKEEPER/ServiceLatencyOv > erview > > > What client operations(for ex: simply creating many znodes, deleting,=20 > setwatches et.) you are planning to perform. > Actually I'd like to know what each zkclient will be doing. > > -Rakesh > > -----Original Message----- > From: Check Peck [mailto:comptechgeeky@gmail.com] > Sent: 26 March 2014 09:40 > To: user > Subject: Re: Load on Zookeeper cluster? > > On Tue, Mar 25, 2014 at 9:00 PM, Ra=FAl Guti=E9rrez Segal=E9s <=20 > rgs@itevenworks.net > > wrote: > > > 1 ZK se > > > > Yes one ZK session per application. Zookeeper version I am running=20 > currently is 3.4.5 in production. >