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 589DC2009F8 for ; Fri, 20 May 2016 03:25:14 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 573C4160A1D; Fri, 20 May 2016 01:25:14 +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 C5B46160A0D for ; Fri, 20 May 2016 03:25:13 +0200 (CEST) Received: (qmail 93596 invoked by uid 500); 20 May 2016 01:25:13 -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 93578 invoked by uid 99); 20 May 2016 01:25:12 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 20 May 2016 01:25:12 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id CEDC62C1F60 for ; Fri, 20 May 2016 01:25:12 +0000 (UTC) Date: Fri, 20 May 2016 01:25:12 +0000 (UTC) From: "Yufei Gu (JIRA)" To: yarn-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (YARN-4866) FairScheduler: AMs can consume all vcores leading to a livelock when using FAIR policy MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Fri, 20 May 2016 01:25:14 -0000 [ https://issues.apache.org/jira/browse/YARN-4866?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15292510#comment-15292510 ] Yufei Gu commented on YARN-4866: -------------------------------- All test failures are unrelated. > FairScheduler: AMs can consume all vcores leading to a livelock when using FAIR policy > -------------------------------------------------------------------------------------- > > Key: YARN-4866 > URL: https://issues.apache.org/jira/browse/YARN-4866 > Project: Hadoop YARN > Issue Type: Bug > Components: fairscheduler > Affects Versions: 2.8.0 > Reporter: Karthik Kambatla > Assignee: Yufei Gu > Attachments: YARN-4866.001.patch, YARN-4866.002.patch, YARN-4866.003.patch, YARN-4866.004.patch, YARN-4866.005.patch, YARN-4866.006.patch > > > The maxAMShare uses the queue's policy for enforcing limits. When using FAIR policy, this considers only memory. If there are fewer vcores on the cluster, the AMs can end up taking all the vcores leading to a livelock. -- 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