Return-Path: X-Original-To: apmail-hadoop-user-archive@minotaur.apache.org Delivered-To: apmail-hadoop-user-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 4274C10FF4 for ; Thu, 29 May 2014 20:19:08 +0000 (UTC) Received: (qmail 64776 invoked by uid 500); 29 May 2014 20:19:04 -0000 Delivered-To: apmail-hadoop-user-archive@hadoop.apache.org Received: (qmail 64644 invoked by uid 500); 29 May 2014 20:19:04 -0000 Mailing-List: contact user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hadoop.apache.org Delivered-To: mailing list user@hadoop.apache.org Received: (qmail 64637 invoked by uid 99); 29 May 2014 20:19:04 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 29 May 2014 20:19:04 +0000 X-ASF-Spam-Status: No, hits=-0.7 required=5.0 tests=RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of ozawa.tsuyoshi@gmail.com designates 209.85.212.180 as permitted sender) Received: from [209.85.212.180] (HELO mail-wi0-f180.google.com) (209.85.212.180) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 29 May 2014 20:19:00 +0000 Received: by mail-wi0-f180.google.com with SMTP id hi2so1313881wib.13 for ; Thu, 29 May 2014 13:18:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=DZVutm9pgIRfBoNwnECywIeYeVgbt20HIIQKh9tkKAk=; b=j1hxXli8DBWfuQuM5Vf5DUUHEYo8UdRreWI/J6OwWoK7hCjQ93aYoLqp+g8LnRSzZo 91vr+NEveEobFHh8S77qgw27D6gj+gd0bmT9pbM4uBOS44V3ET0vCTj1CdyIUgwxHIqv rg/TYava1MSux4ERgHE4ST3jVRrlcifl6TJ+44KOEjoqe53G152hzJCzYNM0p/n7k/Lp lNv4g15M8sI2cnUngyjRQGV69Udw5K1w1f+kC0CzU9cb+NAt3b5yhT7O/Q2k7dX7iGj2 etLQVVXjoxk87/ZqYYNtiU5u3lnnZY8l6aOmZqHEh6pvOzPHpQjDxmtjvgtnVy32Zfw+ jn2Q== MIME-Version: 1.0 X-Received: by 10.194.11.74 with SMTP id o10mr8981699wjb.82.1401394715208; Thu, 29 May 2014 13:18:35 -0700 (PDT) Received: by 10.216.162.9 with HTTP; Thu, 29 May 2014 13:18:35 -0700 (PDT) In-Reply-To: References: Date: Thu, 29 May 2014 13:18:35 -0700 Message-ID: Subject: Re: ProcfsBasedProcessTree From: Tsuyoshi OZAWA To: "user@hadoop.apache.org" Content-Type: text/plain; charset=UTF-8 X-Virus-Checked: Checked by ClamAV on apache.org Hi, The log messages mean ProcfsBasedProcessTree just updates internal information via procfs. The redundant log message is suppressed after 2.1.0-beta, 0.23.8. For more detail, please check YARN-476. Thanks, - Tsuyoshi On Wed, May 28, 2014 at 2:53 PM, Prashant Kommireddi wrote: > What's does ProcfsBasedProcessTree do? Trying to understand a bunch of these > messages in the logs of a job that is stuck forever > > May 25, 2014 4:01:51 AM org.apache.hadoop.yarn.util.ProcfsBasedProcessTree > constructProcessInfo > INFO: The process 22793 may have finished in the interim. > May 25, 2014 9:21:52 AM org.apache.hadoop.yarn.util.ProcfsBasedProcessTree > constructProcessInfo > INFO: The process 24972 may have finished in the interim. > May 25, 2014 1:20:50 PM org.apache.hadoop.yarn.util.ProcfsBasedProcessTree > constructProcessInfo > INFO: The process 10420 may have finished in the interim. > May 26, 2014 9:33:51 AM org.apache.hadoop.yarn.util.ProcfsBasedProcessTree > constructProcessInfo > INFO: The process 13065 may have finished in the interim. > May 26, 2014 10:21:52 AM org.apache.hadoop.yarn.util.ProcfsBasedProcessTree > constructProcessInfo > INFO: The process 8191 may have finished in the interim. > May 27, 2014 5:12:52 AM org.apache.hadoop.yarn.util.ProcfsBasedProcessTree > constructProcessInfo > INFO: The process 13768 may have finished in the interim. > May 27, 2014 5:12:52 AM org.apache.hadoop.yarn.util.ProcfsBasedProcessTree > constructProcessInfo > INFO: The process 13769 may have finished in the interim. > May 27, 2014 6:55:50 PM org.apache.hadoop.yarn.util.ProcfsBasedProcessTree > constructProcessInfo > INFO: The process 16465 may have finished in the interim. > May 27, 2014 7:51:51 PM org.apache.hadoop.yarn.util.ProcfsBasedProcessTree > constructProcessInfo > INFO: The process 1575 may have finished in the interim. > May 27, 2014 7:51:51 PM org.apache.hadoop.yarn.util.ProcfsBasedProcessTree > constructProcessInfo > INFO: The process 1576 may have finished in the interim. > -- - Tsuyoshi