Return-Path: Delivered-To: apmail-hadoop-hdfs-dev-archive@minotaur.apache.org Received: (qmail 87658 invoked from network); 22 Mar 2010 02:37:52 -0000 Received: from unknown (HELO mail.apache.org) (140.211.11.3) by 140.211.11.9 with SMTP; 22 Mar 2010 02:37:52 -0000 Received: (qmail 69728 invoked by uid 500); 22 Mar 2010 02:37:49 -0000 Delivered-To: apmail-hadoop-hdfs-dev-archive@hadoop.apache.org Received: (qmail 69511 invoked by uid 500); 22 Mar 2010 02:37:48 -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 69466 invoked by uid 99); 22 Mar 2010 02:37:48 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 22 Mar 2010 02:37:48 +0000 X-ASF-Spam-Status: No, hits=-1087.3 required=10.0 tests=ALL_TRUSTED,AWL X-Spam-Check-By: apache.org Received: from [140.211.11.140] (HELO brutus.apache.org) (140.211.11.140) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 22 Mar 2010 02:37:47 +0000 Received: from brutus.apache.org (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 3A10F234C1EE for ; Mon, 22 Mar 2010 02:37:27 +0000 (UTC) Message-ID: <1425194804.397341269225447236.JavaMail.jira@brutus.apache.org> Date: Mon, 22 Mar 2010 02:37:27 +0000 (UTC) From: "Todd Lipcon (JIRA)" To: hdfs-dev@hadoop.apache.org Subject: [jira] Created: (HDFS-1060) Append/flush should support concurrent "tailer" use case MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Append/flush should support concurrent "tailer" use case -------------------------------------------------------- Key: HDFS-1060 URL: https://issues.apache.org/jira/browse/HDFS-1060 Project: Hadoop HDFS Issue Type: Bug Components: data-node, hdfs client Affects Versions: 0.21.0, 0.22.0 Reporter: Todd Lipcon Several people have a usecase for a writer logging edits and using hflush() while one or more readers "tails" the file by periodically reopening and seeking to get the latest bytes. Currently there are several bugs. Using this ticket as a supertask for those bugs (and to add test cases for this use case) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.