[ https://issues.apache.org/jira/browse/HADOOP-13442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15399880#comment-15399880 ]
Hadoop QA commented on HADOOP-13442: ------------------------------------ | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 13s{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 1 new or modified test files. {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m 34s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 41s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 27s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 53s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 12s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 19s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 45s{color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 37s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 38s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 6m 38s{color} | {color:green} the patch passed {color} | | {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange} 0m 28s{color} | {color:orange} hadoop-common-project/hadoop-common: The patch generated 2 new + 432 unchanged - 4 fixed = 434 total (was 436) {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 51s{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} findbugs {color} | {color:green} 1m 26s{color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 45s{color} | {color:green} the patch passed {color} | | {color:red}-1{color} | {color:red} unit {color} | {color:red} 16m 58s{color} | {color:red} hadoop-common in the patch failed. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 20s{color} | {color:green} The patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 46m 40s{color} | {color:black} {color} | \\ \\ || Reason || Tests || | Timed out junit tests | org.apache.hadoop.http.TestHttpServerLifecycle | \\ \\ || Subsystem || Report/Notes || | Docker | Image:yetus/hadoop:9560f25 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12821047/HADOOP-13442.patch | | JIRA Issue | HADOOP-13442 | | Optional Tests | asflicense compile javac javadoc mvninstall mvnsite unit findbugs checkstyle | | uname | Linux b6a6ffff0f66 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 / 95f2b98 | | Default Java | 1.8.0_101 | | findbugs | v3.0.0 | | checkstyle | https://builds.apache.org/job/PreCommit-HADOOP-Build/10121/artifact/patchprocess/diff-checkstyle-hadoop-common-project_hadoop-common.txt | | unit | https://builds.apache.org/job/PreCommit-HADOOP-Build/10121/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common.txt | | Test Results | https://builds.apache.org/job/PreCommit-HADOOP-Build/10121/testReport/ | | modules | C: hadoop-common-project/hadoop-common U: hadoop-common-project/hadoop-common | | Console output | https://builds.apache.org/job/PreCommit-HADOOP-Build/10121/console | | Powered by | Apache Yetus 0.4.0-SNAPSHOT http://yetus.apache.org | This message was automatically generated. > Optimize UGI group lookups > -------------------------- > > Key: HADOOP-13442 > URL: https://issues.apache.org/jira/browse/HADOOP-13442 > Project: Hadoop Common > Issue Type: Improvement > Reporter: Daryn Sharp > Assignee: Daryn Sharp > Attachments: HADOOP-13442.patch > > > {{UGI#getGroups}} and its usage is inefficient. The list is unnecessarily > converted to multiple collections. > For _every_ invocation, the {{List<String>}} from the group provider is > converted into a {{LinkedHashSet<String>}} (to de-dup), back to a > {{String[]}}. Then callers testing for group membership convert back to a > {{List<String>}}. This should be done once to reduce allocations. -- 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