From yarn-issues-return-170078-archive-asf-public=cust-asf.ponee.io@hadoop.apache.org Wed Jul 24 20:09:02 2019 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [207.244.88.153]) by mx-eu-01.ponee.io (Postfix) with SMTP id 497A6180676 for ; Wed, 24 Jul 2019 22:09:02 +0200 (CEST) Received: (qmail 82762 invoked by uid 500); 24 Jul 2019 20:09:01 -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 82439 invoked by uid 99); 24 Jul 2019 20:09:01 -0000 Received: from mailrelay1-us-west.apache.org (HELO mailrelay1-us-west.apache.org) (209.188.14.139) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 24 Jul 2019 20:09:01 +0000 Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id 7B8E9E2F4B for ; Wed, 24 Jul 2019 20:09:00 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id 26214265E0 for ; Wed, 24 Jul 2019 20:09:00 +0000 (UTC) Date: Wed, 24 Jul 2019 20:09:00 +0000 (UTC) From: "Abhishek Modi (JIRA)" To: yarn-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (YARN-9697) Efficient allocation of Opportunistic containers. MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/YARN-9697?page=3Dcom.atlassian= .jira.plugin.system.issuetabpanels:all-tabpanel ] Abhishek Modi updated YARN-9697: -------------------------------- Attachment: YARN-9697.ut.patch > Efficient allocation of Opportunistic containers. > ------------------------------------------------- > > Key: YARN-9697 > URL: https://issues.apache.org/jira/browse/YARN-9697 > Project: Hadoop YARN > Issue Type: Sub-task > Reporter: Abhishek Modi > Assignee: Abhishek Modi > Priority: Major > Attachments: YARN-9697.ut.patch > > > In=C2=A0the=C2=A0current=C2=A0implementation, opportunistic containers ar= e allocated based on the number of queued=C2=A0opportunistic=C2=A0container= information=C2=A0received=C2=A0in node heartbeat.=C2=A0This information be= comes stale=C2=A0as soon as more=C2=A0opportunistic=C2=A0containers=C2=A0ar= e allocated=C2=A0on that node. > Allocation of opportunistic containers happens on the same heartbeat in w= hich AM asks for the containers.=C2=A0When multiple applications=C2=A0reque= st=C2=A0for=C2=A0Opportunistic=C2=A0containers, containers might get alloca= ted on the same set of nodes=C2=A0as already allocated containers on the no= de=C2=A0are not considered=C2=A0while serving requests=C2=A0from different = applications.=C2=A0This can lead to uneven allocation of Opportunistic=C2= =A0containers across the cluster leading to increased queuing time=C2=A0 -- This message was sent by Atlassian JIRA (v7.6.14#76016) --------------------------------------------------------------------- To unsubscribe, e-mail: yarn-issues-unsubscribe@hadoop.apache.org For additional commands, e-mail: yarn-issues-help@hadoop.apache.org