Return-Path: Delivered-To: apmail-incubator-chukwa-user-archive@www.apache.org Received: (qmail 95038 invoked from network); 23 Mar 2011 19:09:05 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 23 Mar 2011 19:09:05 -0000 Received: (qmail 50897 invoked by uid 500); 23 Mar 2011 16:22:41 -0000 Delivered-To: apmail-incubator-chukwa-user-archive@incubator.apache.org Received: (qmail 50825 invoked by uid 500); 23 Mar 2011 16:22:40 -0000 Mailing-List: contact chukwa-user-help@incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: chukwa-user@incubator.apache.org Delivered-To: mailing list chukwa-user@incubator.apache.org Received: (qmail 50818 invoked by uid 99); 23 Mar 2011 16:22:40 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 23 Mar 2011 16:22:40 +0000 X-ASF-Spam-Status: No, hits=3.3 required=5.0 tests=HTML_MESSAGE,NO_RDNS_DOTCOM_HELO,RCVD_IN_DNSWL_NONE,SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (athena.apache.org: local policy) Received: from [216.145.54.171] (HELO mrout1.yahoo.com) (216.145.54.171) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 23 Mar 2011 16:22:32 +0000 Received: from SP2-EX07CAS01.ds.corp.yahoo.com (sp2-ex07cas01.corp.sp2.yahoo.com [98.137.59.37]) by mrout1.yahoo.com (8.14.4/8.14.4/y.out) with ESMTP id p2NGLohq004123 for ; Wed, 23 Mar 2011 09:21:50 -0700 (PDT) Received: from SP2-EX07VS05.ds.corp.yahoo.com ([98.137.59.23]) by SP2-EX07CAS01.ds.corp.yahoo.com ([98.137.59.37]) with mapi; Wed, 23 Mar 2011 09:21:50 -0700 From: Eric Yang To: "chukwa-user@incubator.apache.org" Date: Wed, 23 Mar 2011 09:21:48 -0700 Subject: Re: The timezone in chukwa agent and collector Thread-Topic: The timezone in chukwa agent and collector Thread-Index: AcvpNZEO/1uIL9kwTRiYZHDSifjB3wAQNeBZ Message-ID: In-Reply-To: Accept-Language: en-US Content-Language: en X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: multipart/alternative; boundary="_000_C9AF6C2C10973eyangyahooinccom_" MIME-Version: 1.0 --_000_C9AF6C2C10973eyangyahooinccom_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi, It is recommended to run both Agent and Collector in UTC timezone to avoid = day light saving time shift. It is probably less work to set the system ti= mezone to UTC for Chukwa to work properly. The same applies to hadoop cluster clock. Regards, Eric On 3/23/11 1:36 AM, "Ying Tang" wrote: Do the chukwa agent and collector use the system time zone ? What will happen if the agent node and the collector node use different ti= me zone ? And i want the agent and the collector use the fixed time zone , do i have= to modify the code and recompile the source? --_000_C9AF6C2C10973eyangyahooinccom_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Re: The timezone in chukwa agent and collector Hi,

It is recommended to run both Agent and Collector in UTC timezone to avoid = day light saving time shift.  It is probably less work to set the syst= em timezone to UTC for Chukwa to work properly.
The same applies to hadoop cluster clock.

Regards,
Eric


On 3/23/11 1:36 AM, "Ying Tang" <ivytang0812@gmail.com> wrote:

Do the chukwa agent and collector use the s= ystem time zone ?
What will happen if the agent=A0 node and the collector node use=A0differen= t time zone ?
And i want=A0the agent and the collector=A0=A0use the fixed time zone , do = i have to modify the code and recompile the source?=A0
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