Return-Path: Delivered-To: apmail-hadoop-hdfs-dev-archive@minotaur.apache.org Received: (qmail 73100 invoked from network); 28 Jan 2011 18:58:35 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 28 Jan 2011 18:58:35 -0000 Received: (qmail 43974 invoked by uid 500); 28 Jan 2011 18:58:35 -0000 Delivered-To: apmail-hadoop-hdfs-dev-archive@hadoop.apache.org Received: (qmail 43846 invoked by uid 500); 28 Jan 2011 18:58:34 -0000 Mailing-List: contact hdfs-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hdfs-dev@hadoop.apache.org Delivered-To: mailing list hdfs-dev@hadoop.apache.org Received: (qmail 43838 invoked by uid 99); 28 Jan 2011 18:58:34 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 28 Jan 2011 18:58:34 +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 eli@cloudera.com designates 209.85.216.48 as permitted sender) Received: from [209.85.216.48] (HELO mail-qw0-f48.google.com) (209.85.216.48) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 28 Jan 2011 18:58:29 +0000 Received: by qwe4 with SMTP id 4so3673494qwe.35 for ; Fri, 28 Jan 2011 10:58:08 -0800 (PST) MIME-Version: 1.0 Received: by 10.229.241.13 with SMTP id lc13mr3164054qcb.190.1296241084990; Fri, 28 Jan 2011 10:58:04 -0800 (PST) Received: by 10.229.215.2 with HTTP; Fri, 28 Jan 2011 10:58:04 -0800 (PST) In-Reply-To: References: Date: Fri, 28 Jan 2011 10:58:04 -0800 Message-ID: Subject: Re: That append patch in 0.20 From: Eli Collins To: hdfs-dev@hadoop.apache.org Content-Type: text/plain; charset=ISO-8859-1 Which patch are you referring to? There's a whole branch to support sync on 20: http://svn.apache.org/repos/asf/hadoop/common/branches/branch-0.20-append In this branch dfs.support.append defaults to true (see HDFS-1254), this configuration has been tested by quite a few people. Thanks, Eli On Fri, Jan 28, 2011 at 10:49 AM, Ian Holsman wrote: > Hey guys. > > I was speaking to some people a couple of nights ago, and we came up with an idea about it (which I'm sure has been mentioned before so apologies beforehand). > > could we make append a configuration option. either at build or at run time. > > that way we could let alot of the hbase users run off the same codebase and not have them patch it themselves. > > sure.. we will still have the same testing issues, and debates on if it is stable or properly tested.. we can put big warning messages in the documentation on when people should be using it.. but at least they could get a regular build > and run it. > > so.. the question to the experts.. can the append patch be made into a configuration option such that if people don't have it enabled it won't affect them. > > Thanks for listening > > --ian