Return-Path: Delivered-To: apmail-hadoop-core-dev-archive@www.apache.org Received: (qmail 9924 invoked from network); 8 May 2009 07:12:09 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.3) by minotaur.apache.org with SMTP; 8 May 2009 07:12:09 -0000 Received: (qmail 48377 invoked by uid 500); 8 May 2009 07:12:08 -0000 Delivered-To: apmail-hadoop-core-dev-archive@hadoop.apache.org Received: (qmail 48279 invoked by uid 500); 8 May 2009 07:12:07 -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 48267 invoked by uid 99); 8 May 2009 07:12:07 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 08 May 2009 07:12:07 +0000 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, 08 May 2009 07:12:05 +0000 Received: from brutus (localhost [127.0.0.1]) by brutus.apache.org (Postfix) with ESMTP id A2AEF234C046 for ; Fri, 8 May 2009 00:11:45 -0700 (PDT) Message-ID: <669094532.1241766705665.JavaMail.jira@brutus> Date: Fri, 8 May 2009 00:11:45 -0700 (PDT) From: "Owen O'Malley (JIRA)" To: core-dev@hadoop.apache.org Subject: [jira] Created: (HADOOP-5784) The length of the heartbeat cycle should be configurable. MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 X-Virus-Checked: Checked by ClamAV on apache.org The length of the heartbeat cycle should be configurable. --------------------------------------------------------- Key: HADOOP-5784 URL: https://issues.apache.org/jira/browse/HADOOP-5784 Project: Hadoop Core Issue Type: Improvement Components: mapred Reporter: Owen O'Malley Currently, the hearbeat cycle is set to (# nodes / 100) in seconds. This can be too long for clusters that need to run low latency jobs. We should make the number of heartbeats that should arrive a second configurable. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.