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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 11s {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} 6m 46s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 5m 40s {color} | {color:green} trunk passed with JDK v1.8.0_91 {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 36s {color} | {color:green} trunk passed with JDK v1.7.0_95 {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 22s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 58s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 14s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 32s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 52s {color} | {color:green} trunk passed with JDK v1.8.0_91 {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 40s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 5m 38s {color} | {color:green} the patch passed with JDK v1.8.0_91 {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 5m 38s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 36s {color} | {color:green} the patch passed with JDK v1.7.0_95 {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 6m 36s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 21s {color} | {color:green} hadoop-common-project/hadoop-common: The patch generated 0 new + 32 unchanged - 2 fixed = 32 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} The 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 48s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 54s {color} | {color:green} the patch passed with JDK v1.8.0_91 {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:red}-1{color} | {color:red} unit {color} | {color:red} 7m 25s {color} | {color:red} hadoop-common in the patch failed with JDK v1.8.0_91. {color} | | {color:red}-1{color} | {color:red} unit {color} | {color:red} 7m 40s {color} | {color:red} hadoop-common in the patch failed with JDK v1.7.0_95. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 23s {color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 59m 6s {color} | {color:black} {color} | \\ \\ || Reason || Tests || | JDK v1.8.0_91 Failed junit tests | hadoop.net.TestDNS | | JDK v1.7.0_95 Failed junit tests | hadoop.net.TestDNS | \\ \\ || Subsystem || Report/Notes || | Docker | Image:yetus/hadoop:cf2ee45 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12802211/HADOOP-12782.005.patch | | JIRA Issue | HADOOP-12782 | | Optional Tests | asflicense compile javac javadoc mvninstall mvnsite unit findbugs checkstyle xml | | uname | Linux d58dd7e11dd4 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 / 36972d6 | | Default Java | 1.7.0_95 | | Multi-JDK versions | /usr/lib/jvm/java-8-oracle:1.8.0_91 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95 | | findbugs | v3.0.0 | | unit | https://builds.apache.org/job/PreCommit-HADOOP-Build/9273/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.8.0_91.txt | | unit | https://builds.apache.org/job/PreCommit-HADOOP-Build/9273/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.7.0_95.txt | | unit test logs | https://builds.apache.org/job/PreCommit-HADOOP-Build/9273/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.8.0_91.txt https://builds.apache.org/job/PreCommit-HADOOP-Build/9273/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.7.0_95.txt | | JDK v1.7.0_95 Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/9273/testReport/ | | modules | C: hadoop-common-project/hadoop-common U: hadoop-common-project/hadoop-common | | Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/9273/console | | Powered by | Apache Yetus 0.3.0-SNAPSHOT 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, HADOOP-12782.004.patch, HADOOP-12782.005.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) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org