Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id C6DE8200B2D for ; Fri, 27 May 2016 01:58:14 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id C3DA8160A2B; Thu, 26 May 2016 23:58:14 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id 4807E160A2C for ; Fri, 27 May 2016 01:58:14 +0200 (CEST) Received: (qmail 60166 invoked by uid 500); 26 May 2016 23:58:13 -0000 Mailing-List: contact yarn-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list yarn-issues@hadoop.apache.org Received: (qmail 59942 invoked by uid 99); 26 May 2016 23:58:13 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 26 May 2016 23:58:13 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 343242C1F6C for ; Thu, 26 May 2016 23:58:13 +0000 (UTC) Date: Thu, 26 May 2016 23:58:13 +0000 (UTC) From: "Karthik Kambatla (JIRA)" To: yarn-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (YARN-5035) FairScheduler: Adjust maxAssign dynamically when assignMultiple is turned on MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Thu, 26 May 2016 23:58:15 -0000 [ https://issues.apache.org/jira/browse/YARN-5035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15303206#comment-15303206 ] Karthik Kambatla commented on YARN-5035: ---------------------------------------- Pulled this into branch-2.8 as well. > FairScheduler: Adjust maxAssign dynamically when assignMultiple is turned on > ---------------------------------------------------------------------------- > > Key: YARN-5035 > URL: https://issues.apache.org/jira/browse/YARN-5035 > Project: Hadoop YARN > Issue Type: Improvement > Components: fairscheduler > Affects Versions: 2.8.0 > Reporter: Karthik Kambatla > Assignee: Karthik Kambatla > Fix For: 2.8.0 > > Attachments: yarn-5035-1.patch, yarn-5035-2.patch, yarn-5035-3.patch > > > When assignMultiple is turned on, today the number of containers allocated to node within a single heartbeat is determined by maxAssign. Picking a higher value for this prevents the spreading of the workload, and a smaller number leads to slow ramp up. > The proposal is to make it dynamic - half of the unallocated resources on the node. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscribe@hadoop.apache.org For additional commands, e-mail: yarn-issues-help@hadoop.apache.org