Return-Path: X-Original-To: apmail-hadoop-hdfs-dev-archive@minotaur.apache.org Delivered-To: apmail-hadoop-hdfs-dev-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id B0CA592D3 for ; Thu, 23 Feb 2012 16:11:11 +0000 (UTC) Received: (qmail 49458 invoked by uid 500); 23 Feb 2012 16:11:10 -0000 Delivered-To: apmail-hadoop-hdfs-dev-archive@hadoop.apache.org Received: (qmail 49365 invoked by uid 500); 23 Feb 2012 16:11:10 -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 49347 invoked by uid 99); 23 Feb 2012 16:11:10 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 23 Feb 2012 16:11:10 +0000 X-ASF-Spam-Status: No, hits=-2000.0 required=5.0 tests=ALL_TRUSTED,T_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, 23 Feb 2012 16:11:09 +0000 Received: from hel.zones.apache.org (hel.zones.apache.org [140.211.11.116]) by hel.zones.apache.org (Postfix) with ESMTP id 45D94336A8A for ; Thu, 23 Feb 2012 16:10:49 +0000 (UTC) Date: Thu, 23 Feb 2012 16:10:49 +0000 (UTC) From: "Aaron T. Myers (Created) (JIRA)" To: hdfs-dev@hadoop.apache.org Message-ID: <905113627.10339.1330013449287.JavaMail.tomcat@hel.zones.apache.org> Subject: [jira] [Created] (HDFS-2997) Expose status of DNs from the NN programmatically MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Expose status of DNs from the NN programmatically ------------------------------------------------- Key: HDFS-2997 URL: https://issues.apache.org/jira/browse/HDFS-2997 Project: Hadoop HDFS Issue Type: New Feature Components: name-node Affects Versions: 0.23.1 Reporter: Aaron T. Myers Users who would like monitor the NN's view of DN health currently have two options: either parse the NN web UI, or call the (private API) DFSClient#datanodeReport. We should expose this in a nicer way, e.g. through metrics. -- 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