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 F152D1872F for ; Thu, 25 Feb 2016 03:44:18 +0000 (UTC) Received: (qmail 18588 invoked by uid 500); 25 Feb 2016 03:44:18 -0000 Delivered-To: apmail-hadoop-yarn-issues-archive@hadoop.apache.org Received: (qmail 18542 invoked by uid 500); 25 Feb 2016 03:44:18 -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 18507 invoked by uid 99); 25 Feb 2016 03:44:18 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 25 Feb 2016 03:44:18 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 264D42C1F62 for ; Thu, 25 Feb 2016 03:44:18 +0000 (UTC) Date: Thu, 25 Feb 2016 03:44:18 +0000 (UTC) From: "Naganarasimha G R (JIRA)" To: yarn-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (YARN-4712) CPU Usage Metric is not captured properly in YARN-2928 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-4712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15166682#comment-15166682 ] Naganarasimha G R commented on YARN-4712: ----------------------------------------- Thanks [~sunilg], Yes the first scenario is same as that jira, we should not proceed ahead with the calculations (divide by processors) if its -1 as usage, hope to see that jira to be committed. 2nd we need to discuss whether long is sufficient or we need to support double > CPU Usage Metric is not captured properly in YARN-2928 > ------------------------------------------------------ > > Key: YARN-4712 > URL: https://issues.apache.org/jira/browse/YARN-4712 > Project: Hadoop YARN > Issue Type: Sub-task > Components: timelineserver > Reporter: Naganarasimha G R > Assignee: Naganarasimha G R > > There are 2 issues with CPU usage collection > * I was able to observe that that many times CPU usage got from {{pTree.getCpuUsagePercent()}} is ResourceCalculatorProcessTree.UNAVAILABLE(i.e. -1) but ContainersMonitor do the calculation i.e. {{cpuUsageTotalCoresPercentage = cpuUsagePercentPerCore /resourceCalculatorPlugin.getNumProcessors()}} because of which UNAVAILABLE check in {{NMTimelinePublisher.reportContainerResourceUsage}} is not encountered. so proper checks needs to be handled > * {{EntityColumnPrefix.METRIC}} uses always LongConverter but ContainerMonitor is publishing decimal values for the CPU usage. -- This message was sent by Atlassian JIRA (v6.3.4#6332)