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 F12B711E9A for ; Sun, 20 Jul 2014 07:04:38 +0000 (UTC) Received: (qmail 15878 invoked by uid 500); 20 Jul 2014 07:04:38 -0000 Delivered-To: apmail-hadoop-yarn-issues-archive@hadoop.apache.org Received: (qmail 15838 invoked by uid 500); 20 Jul 2014 07:04:38 -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 15600 invoked by uid 99); 20 Jul 2014 07:04:38 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Sun, 20 Jul 2014 07:04:38 +0000 Date: Sun, 20 Jul 2014 07:04:38 +0000 (UTC) From: "Wei Yan (JIRA)" To: yarn-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (YARN-2324) Race condition in continuousScheduling for FairScheduler 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-2324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14067821#comment-14067821 ] Wei Yan commented on YARN-2324: ------------------------------- duplicate of YARN-2273? > Race condition in continuousScheduling for FairScheduler > -------------------------------------------------------- > > Key: YARN-2324 > URL: https://issues.apache.org/jira/browse/YARN-2324 > Project: Hadoop YARN > Issue Type: Bug > Reporter: zhihai xu > Assignee: zhihai xu > > Race condition in continuousScheduling for FairScheduler. > removeNode can run when continuousScheduling is called in schedulingThread. If the node is removed from nodes, nodes.get(n2) and getFSSchedulerNode(nodeId) will be null. So we need add lock to remove the NPE/race conditions. -- This message was sent by Atlassian JIRA (v6.2#6252)