From mapreduce-dev-return-8397-apmail-hadoop-mapreduce-dev-archive=hadoop.apache.org@hadoop.apache.org Fri Oct 5 17:40:06 2012 Return-Path: X-Original-To: apmail-hadoop-mapreduce-dev-archive@minotaur.apache.org Delivered-To: apmail-hadoop-mapreduce-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 82E459792 for ; Fri, 5 Oct 2012 17:40:06 +0000 (UTC) Received: (qmail 42891 invoked by uid 500); 5 Oct 2012 17:40:04 -0000 Delivered-To: apmail-hadoop-mapreduce-dev-archive@hadoop.apache.org Received: (qmail 42161 invoked by uid 500); 5 Oct 2012 17:40:04 -0000 Mailing-List: contact mapreduce-dev-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: mapreduce-dev@hadoop.apache.org Delivered-To: mailing list mapreduce-dev@hadoop.apache.org Received: (qmail 41820 invoked by uid 99); 5 Oct 2012 17:40:03 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 05 Oct 2012 17:40:03 +0000 Date: Fri, 5 Oct 2012 17:40:03 +0000 (UTC) From: "Jeremy Lewi (JIRA)" To: mapreduce-dev@hadoop.apache.org Message-ID: <1177428047.1754.1349458803883.JavaMail.jiratomcat@arcas> Subject: [jira] [Created] (MAPREDUCE-4709) Counters that track max values MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 Jeremy Lewi created MAPREDUCE-4709: -------------------------------------- Summary: Counters that track max values Key: MAPREDUCE-4709 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4709 Project: Hadoop Map/Reduce Issue Type: New Feature Reporter: Jeremy Lewi Priority: Minor A nice feature to help monitor MR jobs would be mapreduce counters that track the maximum of some metric across all workers. These trackers would work just like regular counters except it would track the max value of all arguments passed to the "increment" function as opposed to summing them. -- 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