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 A723A7FC4 for ; Thu, 6 Oct 2011 23:23:51 +0000 (UTC) Received: (qmail 48894 invoked by uid 500); 6 Oct 2011 23:23:51 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 48863 invoked by uid 500); 6 Oct 2011 23:23:51 -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 48855 invoked by uid 99); 6 Oct 2011 23:23:51 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 06 Oct 2011 23:23:51 +0000 X-ASF-Spam-Status: No, hits=-2000.5 required=5.0 tests=ALL_TRUSTED,RP_MATCHES_RCVD X-Spam-Check-By: apache.org Received: from [140.211.11.116] (HELO hel.zones.apache.org) (140.211.11.116) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 06 Oct 2011 23:23:50 +0000 Received: from hel.zones.apache.org (hel.zones.apache.org [140.211.11.116]) by hel.zones.apache.org (Postfix) with ESMTP id DF7D02AD309 for ; Thu, 6 Oct 2011 23:23:29 +0000 (UTC) Date: Thu, 6 Oct 2011 23:23:29 +0000 (UTC) From: "Todd Lipcon (Commented) (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: <1940109198.5910.1317943409916.JavaMail.tomcat@hel.zones.apache.org> In-Reply-To: <1981375905.30968.1305909407420.JavaMail.tomcat@hel.zones.apache.org> Subject: [jira] [Commented] (HDFS-1973) HA: HDFS clients must handle namenode failover and switch over to the new active namenode. 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-1973?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13122403#comment-13122403 ] Todd Lipcon commented on HDFS-1973: ----------------------------------- +1 lgtm > HA: HDFS clients must handle namenode failover and switch over to the new active namenode. > ------------------------------------------------------------------------------------------ > > Key: HDFS-1973 > URL: https://issues.apache.org/jira/browse/HDFS-1973 > Project: Hadoop HDFS > Issue Type: Sub-task > Reporter: Suresh Srinivas > Assignee: Aaron T. Myers > Attachments: HDFS-1973-HDFS-1623.patch, HDFS-1973-HDFS-1623.patch, HDFS-1973-HDFS-1623.patch, HDFS-1973-HDFS-1623.patch, HDFS-1973-HDFS-1623.patch, HDFS-1973-HDFS-1623.patch, HDFS-1973-HDFS-1623.patch, hdfs-1973.0.patch > > > During failover, a client must detect the current active namenode failure and switch over to the new active namenode. The switch over might make use of IP failover or some thing more elaborate such as zookeeper to discover the new active. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira