Return-Path: X-Original-To: apmail-hadoop-yarn-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-yarn-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 12EEC179F7 for ; Thu, 29 Oct 2015 10:47:28 +0000 (UTC) Received: (qmail 65769 invoked by uid 500); 29 Oct 2015 10:47:27 -0000 Delivered-To: apmail-hadoop-yarn-issues-archive@hadoop.apache.org Received: (qmail 65723 invoked by uid 500); 29 Oct 2015 10:47:27 -0000 Mailing-List: contact yarn-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: yarn-issues@hadoop.apache.org Delivered-To: mailing list yarn-issues@hadoop.apache.org Received: (qmail 65710 invoked by uid 99); 29 Oct 2015 10:47:27 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 29 Oct 2015 10:47:27 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id B90BB2C1F58 for ; Thu, 29 Oct 2015 10:47:27 +0000 (UTC) Date: Thu, 29 Oct 2015 10:47:27 +0000 (UTC) From: "Junping Du (JIRA)" To: yarn-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (YARN-4308) ContainersAggregated CPU resource utilization reports negative usage in first few heartbeats 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/YARN-4308?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14980243#comment-14980243 ] Junping Du commented on YARN-4308: ---------------------------------- I think the long discussion was happening in YARN-3304. As most people agreed, "-1" is used to represent resource is unavailable for tracking to differentiate with zero resource. > ContainersAggregated CPU resource utilization reports negative usage in first few heartbeats > -------------------------------------------------------------------------------------------- > > Key: YARN-4308 > URL: https://issues.apache.org/jira/browse/YARN-4308 > Project: Hadoop YARN > Issue Type: Bug > Components: nodemanager > Affects Versions: 2.7.1 > Reporter: Sunil G > Assignee: Sunil G > Attachments: 0001-YARN-4308.patch > > > NodeManager reports ContainerAggregated CPU resource utilization as -ve value in first few heartbeats cycles. I added a new debug print and received below values from heartbeats. > {noformat} > INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainersMonitorImpl: ContainersResource Utilization : CpuTrackerUsagePercent : -1.0 > INFO org.apache.hadoop.yarn.server.nodemanager.containermanager.monitor.ContainersMonitorImpl:ContainersResource Utilization : CpuTrackerUsagePercent : 198.94598 > {noformat} > Its better we send 0 as CPU usage rather than sending a negative values in heartbeats eventhough its happening in only first few heartbeats. -- This message was sent by Atlassian JIRA (v6.3.4#6332)