Return-Path: X-Original-To: apmail-incubator-hama-dev-archive@minotaur.apache.org Delivered-To: apmail-incubator-hama-dev-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 7A8B07A2B for ; Thu, 25 Aug 2011 10:44:17 +0000 (UTC) Received: (qmail 58624 invoked by uid 500); 25 Aug 2011 10:44:17 -0000 Delivered-To: apmail-incubator-hama-dev-archive@incubator.apache.org Received: (qmail 58486 invoked by uid 500); 25 Aug 2011 10:43:59 -0000 Mailing-List: contact hama-dev-help@incubator.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hama-dev@incubator.apache.org Delivered-To: mailing list hama-dev@incubator.apache.org Received: (qmail 58460 invoked by uid 99); 25 Aug 2011 10:43:51 -0000 Received: from minotaur.apache.org (HELO minotaur.apache.org) (140.211.11.9) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 25 Aug 2011 10:43:51 +0000 Received: from localhost (HELO mail-yx0-f175.google.com) (127.0.0.1) (smtp-auth username edwardyoon, mechanism plain) by minotaur.apache.org (qpsmtpd/0.29) with ESMTP; Thu, 25 Aug 2011 10:43:50 +0000 Received: by yxl11 with SMTP id 11so1540099yxl.6 for ; Thu, 25 Aug 2011 03:43:49 -0700 (PDT) MIME-Version: 1.0 Received: by 10.231.67.80 with SMTP id q16mr12453645ibi.86.1314269028991; Thu, 25 Aug 2011 03:43:48 -0700 (PDT) Received: by 10.231.35.205 with HTTP; Thu, 25 Aug 2011 03:43:48 -0700 (PDT) Date: Thu, 25 Aug 2011 19:43:48 +0900 Message-ID: Subject: Summary of problems with HAMA-413 and Discussion From: "Edward J. Yoon" To: hama-dev@incubator.apache.org Content-Type: text/plain; charset=UTF-8 Today, I tested all Hama examples on my cluster of 32 nodes, with 96 tasks. Pi and Serialized Printing examples were working fine but 1. Barrier Synchronizations are not working well (with a 'bench' example). 2. When an unexpected shutdown occurs, ZK nodes (which created by each BSPPeer) will not be deleted. There's no way to clean them up before reboot the server. 3. Graph examples are not working. 4. Too many reporting times between Groom and Master. 5. And, there are many code issues that can be improved. 1, and 2 issues are already reported (See HAMA-387, HAMA-407). Some of 3, 4, and 5 issues are already started by ChiaHung Lin. All issues around this should be fixed in HAMA-413? or, Should we just commit HAMA-413? Thanks. -- Best Regards, Edward J. Yoon @eddieyoon