Return-Path: X-Original-To: apmail-hadoop-mapreduce-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-mapreduce-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 2E660172FD for ; Mon, 11 May 2015 23:05:01 +0000 (UTC) Received: (qmail 50709 invoked by uid 500); 11 May 2015 23:05:01 -0000 Delivered-To: apmail-hadoop-mapreduce-issues-archive@hadoop.apache.org Received: (qmail 50666 invoked by uid 500); 11 May 2015 23:05:01 -0000 Mailing-List: contact mapreduce-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: mapreduce-issues@hadoop.apache.org Delivered-To: mailing list mapreduce-issues@hadoop.apache.org Received: (qmail 50654 invoked by uid 99); 11 May 2015 23:05:00 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 11 May 2015 23:05:00 +0000 Date: Mon, 11 May 2015 23:05:00 +0000 (UTC) From: "Ming Ma (JIRA)" To: mapreduce-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (MAPREDUCE-5465) Tasks are often killed before they exit on their own 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/MAPREDUCE-5465?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14538833#comment-14538833 ] Ming Ma commented on MAPREDUCE-5465: ------------------------------------ Thanks Jason and Ray. > Tasks are often killed before they exit on their own > ---------------------------------------------------- > > Key: MAPREDUCE-5465 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-5465 > Project: Hadoop Map/Reduce > Issue Type: Improvement > Components: mr-am, mrv2 > Reporter: Radim Kolar > Assignee: Ming Ma > Fix For: 2.8.0 > > Attachments: MAPREDUCE-5465-2.patch, MAPREDUCE-5465-3.patch, MAPREDUCE-5465-4.patch, MAPREDUCE-5465-5.patch, MAPREDUCE-5465-6.patch, MAPREDUCE-5465-7.patch, MAPREDUCE-5465-8.patch, MAPREDUCE-5465-9.patch, MAPREDUCE-5465-branch-2.patch, MAPREDUCE-5465.patch > > > If there is profiling enabled for mapper or reducer then hprof dumps profile.out at process exit. It is dumped after task signaled to AM that work is finished. > AM kills container with finished work without waiting for hprof to finish dumps. If hprof is dumping larger outputs (such as with depth=4 while depth=3 works) , it could not finish dump in time before being killed making entire dump unusable because cpu and heap stats are missing. > There needs to be better delay before container is killed if profiling is enabled. -- This message was sent by Atlassian JIRA (v6.3.4#6332)