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 15480107F1 for ; Thu, 6 Mar 2014 08:40:47 +0000 (UTC) Received: (qmail 98363 invoked by uid 500); 6 Mar 2014 08:40:44 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 98324 invoked by uid 500); 6 Mar 2014 08:40:44 -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 98312 invoked by uid 99); 6 Mar 2014 08:40:44 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 06 Mar 2014 08:40:44 +0000 Date: Thu, 6 Mar 2014 08:40:44 +0000 (UTC) From: "Hudson (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-6061) Allow dfs.datanode.shared.file.descriptor.path to contain multiple entries and fall back when needed 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-6061?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13922164#comment-13922164 ] Hudson commented on HDFS-6061: ------------------------------ SUCCESS: Integrated in Hadoop-trunk-Commit #5273 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/5273/]) HDFS-6061. Allow dfs.datanode.shared.file.descriptor.path to contain multiple entries and fall back when needed (cmccabe) (cmccabe: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1574796) * /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/nativeio/SharedFileDescriptorFactory.java * /hadoop/common/trunk/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/io/nativeio/TestSharedFileDescriptorFactory.java * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/ShortCircuitRegistry.java * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/client/TestShortCircuitShm.java > Allow dfs.datanode.shared.file.descriptor.path to contain multiple entries and fall back when needed > ---------------------------------------------------------------------------------------------------- > > Key: HDFS-6061 > URL: https://issues.apache.org/jira/browse/HDFS-6061 > Project: Hadoop HDFS > Issue Type: Sub-task > Components: datanode > Affects Versions: 2.4.0 > Reporter: Colin Patrick McCabe > Assignee: Colin Patrick McCabe > Fix For: 2.4.0 > > Attachments: HDFS-6061.001.patch, HDFS-6061.002.patch > > > In {{SharedFileDescriptorFactory}}, it would be nice if dfs.datanode.shared.file.descriptor.path could contain multiple entries and allow fallback between them. That way, if a user doesn't have {{/dev/shm}} configured (the current default), the user could use {{/tmp}}. This is mainly a concern on BSDs and some other systems where {{/dev/shm}} doesn't exist. -- This message was sent by Atlassian JIRA (v6.2#6252)