Return-Path: X-Original-To: apmail-hadoop-common-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-common-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 85F0D181CC for ; Fri, 18 Mar 2016 18:04:34 +0000 (UTC) Received: (qmail 46855 invoked by uid 500); 18 Mar 2016 18:04:34 -0000 Delivered-To: apmail-hadoop-common-issues-archive@hadoop.apache.org Received: (qmail 46759 invoked by uid 500); 18 Mar 2016 18:04:34 -0000 Mailing-List: contact common-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: common-issues@hadoop.apache.org Delivered-To: mailing list common-issues@hadoop.apache.org Received: (qmail 46720 invoked by uid 99); 18 Mar 2016 18:04:34 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 18 Mar 2016 18:04:34 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id E75052C1F54 for ; Fri, 18 Mar 2016 18:04:33 +0000 (UTC) Date: Fri, 18 Mar 2016 18:04:33 +0000 (UTC) From: "Hadoop QA (JIRA)" To: common-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HADOOP-12782) Faster LDAP group name resolution with ActiveDirectory 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/HADOOP-12782?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15201885#comment-15201885 ] Hadoop QA commented on HADOOP-12782: ------------------------------------ | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 18s {color} | {color:blue} Docker mode activated. {color} | | {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s {color} | {color:green} The patch does not contain any @author tags. {color} | | {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 0s {color} | {color:green} The patch appears to include 2 new or modified test files. {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m 4s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 5s {color} | {color:green} trunk passed with JDK v1.8.0_74 {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 49s {color} | {color:green} trunk passed with JDK v1.7.0_95 {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 21s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 59s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 13s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 35s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 55s {color} | {color:green} trunk passed with JDK v1.8.0_74 {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 5s {color} | {color:green} trunk passed with JDK v1.7.0_95 {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 41s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 2s {color} | {color:green} the patch passed with JDK v1.8.0_74 {color} | | {color:red}-1{color} | {color:red} javac {color} | {color:red} 10m 31s {color} | {color:red} root-jdk1.8.0_74 with JDK v1.8.0_74 generated 2 new + 736 unchanged - 2 fixed = 738 total (was 738) {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 6m 2s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 43s {color} | {color:green} the patch passed with JDK v1.7.0_95 {color} | | {color:red}-1{color} | {color:red} javac {color} | {color:red} 17m 14s {color} | {color:red} root-jdk1.7.0_95 with JDK v1.7.0_95 generated 2 new + 732 unchanged - 2 fixed = 734 total (was 734) {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 6m 43s {color} | {color:green} the patch passed {color} | | {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 21s {color} | {color:red} hadoop-common-project/hadoop-common: patch generated 2 new + 32 unchanged - 2 fixed = 34 total (was 34) {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 55s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 13s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s {color} | {color:green} Patch has no whitespace issues. {color} | | {color:green}+1{color} | {color:green} xml {color} | {color:green} 0m 1s {color} | {color:green} The patch has no ill-formed XML file. {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 50s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 53s {color} | {color:green} the patch passed with JDK v1.8.0_74 {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 5s {color} | {color:green} the patch passed with JDK v1.7.0_95 {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 7m 14s {color} | {color:green} hadoop-common in the patch passed with JDK v1.8.0_74. {color} | | {color:green}+1{color} | {color:green} unit {color} | {color:green} 7m 26s {color} | {color:green} hadoop-common in the patch passed with JDK v1.7.0_95. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 25s {color} | {color:green} Patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 60m 20s {color} | {color:black} {color} | \\ \\ || Subsystem || Report/Notes || | Docker | Image:yetus/hadoop:0ca8df7 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12794195/HADOOP-12782.003.patch | | JIRA Issue | HADOOP-12782 | | Optional Tests | asflicense compile javac javadoc mvninstall mvnsite unit findbugs checkstyle xml | | uname | Linux b54a9f3b2410 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh | | git revision | trunk / 92b7e0d | | Default Java | 1.7.0_95 | | Multi-JDK versions | /usr/lib/jvm/java-8-oracle:1.8.0_74 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95 | | findbugs | v3.0.0 | | javac | root-jdk1.8.0_74: https://builds.apache.org/job/PreCommit-HADOOP-Build/8872/artifact/patchprocess/diff-compile-javac-root-jdk1.8.0_74.txt | | javac | root-jdk1.7.0_95: https://builds.apache.org/job/PreCommit-HADOOP-Build/8872/artifact/patchprocess/diff-compile-javac-root-jdk1.7.0_95.txt | | checkstyle | https://builds.apache.org/job/PreCommit-HADOOP-Build/8872/artifact/patchprocess/diff-checkstyle-hadoop-common-project_hadoop-common.txt | | JDK v1.7.0_95 Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/8872/testReport/ | | modules | C: hadoop-common-project/hadoop-common U: hadoop-common-project/hadoop-common | | Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/8872/console | | Powered by | Apache Yetus 0.2.0 http://yetus.apache.org | This message was automatically generated. > Faster LDAP group name resolution with ActiveDirectory > ------------------------------------------------------ > > Key: HADOOP-12782 > URL: https://issues.apache.org/jira/browse/HADOOP-12782 > Project: Hadoop Common > Issue Type: Improvement > Reporter: Wei-Chiu Chuang > Assignee: Wei-Chiu Chuang > Attachments: HADOOP-12782.001.patch, HADOOP-12782.002.patch, HADOOP-12782.003.patch > > > The typical LDAP group name resolution works well under typical scenarios. However, we have seen cases where a user is mapped to many groups (in an extreme case, a user is mapped to more than 100 groups). The way it's being implemented now makes this case super slow resolving groups from ActiveDirectory. > The current LDAP group resolution implementation sends two queries to a ActiveDirectory server. The first query returns a user object, which contains DN (distinguished name). The second query looks for groups where the user DN is a member. If a user is mapped to many groups, the second query returns all group objects associated with the user, and is thus very slow. > After studying a user object in ActiveDirectory, I found a user object actually contains a "memberOf" field, which is the DN of all group objects where the user belongs to. Assuming that an organization has no recursive group relation (that is, a user A is a member of group G1, and group G1 is a member of group G2), we can use this properties to avoid the second query, which can potentially run very slow. > I propose that we add a configuration to only enable this feature for users who want to reduce group resolution time and who does not have recursive groups, so that existing behavior will not be broken. -- This message was sent by Atlassian JIRA (v6.3.4#6332)