Return-Path: Delivered-To: apmail-hadoop-core-dev-archive@www.apache.org Received: (qmail 45898 invoked from network); 18 Mar 2008 03:44:19 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 18 Mar 2008 03:44:19 -0000 Received: (qmail 74473 invoked by uid 500); 18 Mar 2008 03:44:14 -0000 Delivered-To: apmail-hadoop-core-dev-archive@hadoop.apache.org Received: (qmail 74437 invoked by uid 500); 18 Mar 2008 03:44:14 -0000 Mailing-List: contact core-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: core-dev@hadoop.apache.org Delivered-To: mailing list core-dev@hadoop.apache.org Received: (qmail 74422 invoked by uid 99); 18 Mar 2008 03:44:14 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 17 Mar 2008 20:44:14 -0700 X-ASF-Spam-Status: No, hits=1.2 required=10.0 tests=SPF_NEUTRAL X-Spam-Check-By: apache.org Received-SPF: neutral (nike.apache.org: local policy) Received: from [216.145.54.173] (HELO mrout3.yahoo.com) (216.145.54.173) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 18 Mar 2008 03:43:23 +0000 Received: from [10.0.0.135] (snvvpn1-10-72-74-c67.corp.yahoo.com [10.72.74.67]) by mrout3.yahoo.com (8.13.6/8.13.6/y.out) with ESMTP id m2I3hYVE026723; Mon, 17 Mar 2008 20:43:35 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; s=serpent; d=yahoo-inc.com; c=nofws; q=dns; h=mime-version:content-transfer-encoding:message-id: content-type:to:from:subject:date:x-mailer; b=Vs6RCqAF3/hbja0g5beh+KlR8o7xA41y2IjV2e4VeRMOKTueqRxVl2je0ESbgEb4 Mime-Version: 1.0 (Apple Message framework v753) Content-Transfer-Encoding: 7bit Message-Id: <0CA13D06-4DB2-49AE-8002-05B9B6FCC2A5@yahoo-inc.com> Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed To: core-user@hadoop.apache.org, core-dev@hadoop.apache.org From: "Owen O'Malley" Subject: Problems with 0.16.1 Date: Mon, 17 Mar 2008 20:43:32 -0700 X-Mailer: Apple Mail (2.753) X-Virus-Checked: Checked by ClamAV on apache.org We believe that there has been a regression in release 0.16.1 with respect to the reliability of HDFS. In particular, tasks get stuck talking to the data nodes when they are under load. It seems to be HADOOP-3033. We are currently testing it further. In the mean time, I would suggest holding off 0.16.1. -- Owen