Return-Path: Delivered-To: apmail-hadoop-core-user-archive@www.apache.org Received: (qmail 54962 invoked from network); 26 Nov 2008 00:00:04 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 26 Nov 2008 00:00:04 -0000 Received: (qmail 17490 invoked by uid 500); 26 Nov 2008 00:00:10 -0000 Delivered-To: apmail-hadoop-core-user-archive@hadoop.apache.org Received: (qmail 17442 invoked by uid 500); 26 Nov 2008 00:00:10 -0000 Mailing-List: contact core-user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: core-user@hadoop.apache.org Delivered-To: mailing list core-user@hadoop.apache.org Received: (qmail 17431 invoked by uid 99); 26 Nov 2008 00:00:10 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 25 Nov 2008 16:00:10 -0800 X-ASF-Spam-Status: No, hits=4.6 required=10.0 tests=DNS_FROM_OPENWHOIS,HTML_MESSAGE X-Spam-Check-By: apache.org Received-SPF: unknown (athena.apache.org: error in processing during lookup of snaik@attributor.com) Received: from [216.98.159.230] (HELO zimbra1.mindcentric.com) (216.98.159.230) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 25 Nov 2008 23:58:43 +0000 Received: from localhost (localhost.localdomain [127.0.0.1]) by zimbra1.mindcentric.com (Postfix) with ESMTP id 1E05E22ACD52 for ; Tue, 25 Nov 2008 15:58:58 -0800 (PST) X-Spam-Score: -1.168 X-Spam-Level: Received: from zimbra1.mindcentric.com ([127.0.0.1]) by localhost (zimbra1.mindcentric.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Ge-kFv0S5YSw for ; Tue, 25 Nov 2008 15:58:57 -0800 (PST) Received: from [192.168.3.243] (adsl-99-151-253-245.dsl.pltn13.sbcglobal.net [99.151.253.245]) by zimbra1.mindcentric.com (Postfix) with ESMTP id BB1A822ACD4F for ; Tue, 25 Nov 2008 15:58:57 -0800 (PST) Message-ID: <492C913D.7080003@attributor.com> Date: Tue, 25 Nov 2008 15:58:53 -0800 From: Sagar Naik User-Agent: Thunderbird 2.0.0.18 (Windows/20081105) MIME-Version: 1.0 To: core-user@hadoop.apache.org Subject: 64 bit namenode and secondary namenode & 32 bit datanode Content-Type: multipart/alternative; boundary="------------050309050307000908050601" X-Virus-Checked: Checked by ClamAV on apache.org X-Old-Spam-Flag: NO X-Old-Spam-Status: No, score=-1.168 tagged_above=-10 required=6.6 tests=[AWL=0.200, BAYES_00=-2.599, DNS_FROM_OPENWHOIS=1.13, HTML_MESSAGE=0.001, RDNS_DYNAMIC=0.1] --------------050309050307000908050601 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit I am trying to migrate from 32 bit jvm and 64 bit for namenode only. *setup* NN - 64 bit Secondary namenode (instance 1) - 64 bit Secondary namenode (instance 2) - 32 bit datanode - 32 bit From the mailing list I deduced that NN-64 bit and Datanode -32 bit combo works But, I am not sure if S-NN-(instance 1--- 64 bit ) and S-NN (instance 2 -- 32 bit) will work with this setup. Also, do shud I be aware of any other issues for migrating over to 64 bit namenode Thanks in advance for all the suggestions -Sagar --------------050309050307000908050601--