Return-Path: Delivered-To: apmail-hadoop-core-dev-archive@www.apache.org Received: (qmail 30248 invoked from network); 12 Dec 2008 08:35:11 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 12 Dec 2008 08:35:11 -0000 Received: (qmail 44731 invoked by uid 500); 12 Dec 2008 08:35:17 -0000 Delivered-To: apmail-hadoop-core-dev-archive@hadoop.apache.org Received: (qmail 44665 invoked by uid 500); 12 Dec 2008 08:35:17 -0000 Mailing-List: contact core-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: core-dev@hadoop.apache.org Delivered-To: mailing list core-dev@hadoop.apache.org Received: (qmail 44641 invoked by uid 99); 12 Dec 2008 08:35:17 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 12 Dec 2008 00:35:17 -0800 X-ASF-Spam-Status: No, hits=-2000.0 required=10.0 tests=ALL_TRUSTED 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; Fri, 12 Dec 2008 08:35:04 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id 672B9234C3AC for ; Fri, 12 Dec 2008 00:34:44 -0800 (PST) Message-ID: <89077977.1229070884421.JavaMail.jira@brutus> Date: Fri, 12 Dec 2008 00:34:44 -0800 (PST) From: "Konstantin Shvachko (JIRA)" To: core-dev@hadoop.apache.org Subject: [jira] Updated: (HADOOP-4826) Admin command saveNamespace. In-Reply-To: <21328722.1228941886231.JavaMail.jira@brutus> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Virus-Checked: Checked by ClamAV on apache.org [ https://issues.apache.org/jira/browse/HADOOP-4826?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Konstantin Shvachko updated HADOOP-4826: ---------------------------------------- Hadoop Flags: [Incompatible change, Reviewed] (was: [Incompatible change]) Status: Patch Available (was: Open) > Admin command saveNamespace. > ---------------------------- > > Key: HADOOP-4826 > URL: https://issues.apache.org/jira/browse/HADOOP-4826 > Project: Hadoop Core > Issue Type: New Feature > Components: dfs > Reporter: Konstantin Shvachko > Assignee: Konstantin Shvachko > Fix For: 0.20.0 > > Attachments: saveNamespace.patch, saveNamespace.patch, saveNamespace.patch > > > It would be useful to have an admin command that saves current namespace. > This command can be used before regular (planned) cluster shutdown. > The command will save the namespace into storage directory(s) and reset the name-node journal (edits file). > It will also reduce name-node startup time, because edits do not need to be digest. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.