Return-Path: X-Original-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 99B23EAF4 for ; Wed, 30 Jan 2013 18:41:13 +0000 (UTC) Received: (qmail 10487 invoked by uid 500); 30 Jan 2013 18:41:13 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 10450 invoked by uid 500); 30 Jan 2013 18:41:13 -0000 Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hdfs-issues@hadoop.apache.org Delivered-To: mailing list hdfs-issues@hadoop.apache.org Received: (qmail 10441 invoked by uid 99); 30 Jan 2013 18:41:13 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 30 Jan 2013 18:41:13 +0000 Date: Wed, 30 Jan 2013 18:41:13 +0000 (UTC) From: "Colin Patrick McCabe (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HDFS-4453) Make a simple doc to describe the usage and design of the shortcircuit read feature MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HDFS-4453?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Colin Patrick McCabe updated HDFS-4453: --------------------------------------- Attachment: HDFS-4453.001.patch here is an upstream document > Make a simple doc to describe the usage and design of the shortcircuit read feature > ----------------------------------------------------------------------------------- > > Key: HDFS-4453 > URL: https://issues.apache.org/jira/browse/HDFS-4453 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: datanode, hdfs-client > Reporter: Brandon Li > Assignee: Colin Patrick McCabe > Attachments: HDFS-4453.001.patch > > > It would be nice to have a document to describe the configuration and design of this feature. Also its relationship with previous short circuit read implementation(HDFS-2246), for example, can they co-exist, or this one is planed to replaces HDFS-2246, or it can fall back on HDFS-2246 when unix domain socket is not supported. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira