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 469AA11C7C for ; Wed, 3 Sep 2014 23:44:57 +0000 (UTC) Received: (qmail 32597 invoked by uid 500); 3 Sep 2014 23:44:56 -0000 Delivered-To: apmail-hadoop-yarn-issues-archive@hadoop.apache.org Received: (qmail 32562 invoked by uid 500); 3 Sep 2014 23:44:56 -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 32549 invoked by uid 99); 3 Sep 2014 23:44:56 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 03 Sep 2014 23:44:56 +0000 Date: Wed, 3 Sep 2014 23:44:56 +0000 (UTC) From: "Allen Wittenauer (JIRA)" To: yarn-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (YARN-1771) many getFileStatus calls made from node manager for localizing a public distributed cache resource 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-1771?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Allen Wittenauer updated YARN-1771: ----------------------------------- Fix Version/s: (was: 2.5.0) (was: 3.0.0) > many getFileStatus calls made from node manager for localizing a public distributed cache resource > -------------------------------------------------------------------------------------------------- > > Key: YARN-1771 > URL: https://issues.apache.org/jira/browse/YARN-1771 > Project: Hadoop YARN > Issue Type: Improvement > Components: nodemanager > Affects Versions: 2.3.0 > Reporter: Sangjin Lee > Assignee: Sangjin Lee > Priority: Critical > Fix For: 2.4.0 > > Attachments: yarn-1771.patch, yarn-1771.patch, yarn-1771.patch, yarn-1771.patch > > > We're observing that the getFileStatus calls are putting a fair amount of load on the name node as part of checking the public-ness for localizing a resource that belong in the public cache. > We see 7 getFileStatus calls made for each of these resource. We should look into reducing the number of calls to the name node. One example: > {noformat} > 2014-02-27 18:07:27,351 INFO audit: ... cmd=getfileinfo src=/tmp/temp-887708724/tmp883330348/foo-0.0.44.jar ... > 2014-02-27 18:07:27,352 INFO audit: ... cmd=getfileinfo src=/tmp/temp-887708724/tmp883330348/foo-0.0.44.jar ... > 2014-02-27 18:07:27,352 INFO audit: ... cmd=getfileinfo src=/tmp/temp-887708724/tmp883330348 ... > 2014-02-27 18:07:27,353 INFO audit: ... cmd=getfileinfo src=/tmp/temp-887708724 ... > 2014-02-27 18:07:27,353 INFO audit: ... cmd=getfileinfo src=/tmp ... > 2014-02-27 18:07:27,354 INFO audit: ... cmd=getfileinfo src=/ ... > 2014-02-27 18:07:27,354 INFO audit: ... cmd=getfileinfo src=/tmp/temp-887708724/tmp883330348/foo-0.0.44.jar ... > 2014-02-27 18:07:27,355 INFO audit: ... cmd=open src=/tmp/temp-887708724/tmp883330348/foo-0.0.44.jar ... > {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)