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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-7073) Optimize TokenCache#obtainTokensForNamenodesInternal
Date Mon, 09 Apr 2018 10:47:00 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-7073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16430362#comment-16430362
] 

Hadoop QA commented on MAPREDUCE-7073:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 10m 59s{color} | {color:blue}
Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {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:red}-1{color} | {color:red} test4tests {color} | {color:red}  0m  0s{color} | {color:red}
The patch doesn't appear to include any new or modified tests. Please justify why no new tests
are needed for this patch. Also please list what manual steps were performed to verify this
patch. {color} |
|| || || || {color:brown} trunk Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 23m 27s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 30s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 23s{color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 32s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green}  9m 58s{color}
| {color:green} branch has no errors when building and testing our client artifacts. {color}
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| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 50s{color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 25s{color} |
{color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:red}-1{color} | {color:red} mvninstall {color} | {color:red}  0m 24s{color} | {color:red}
hadoop-mapreduce-client-core in the patch failed. {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 25s{color} | {color:red}
hadoop-mapreduce-client-core in the patch failed. {color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m 25s{color} | {color:red}
hadoop-mapreduce-client-core in the patch failed. {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 19s{color}
| {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} mvnsite {color} | {color:red}  0m 25s{color} | {color:red}
hadoop-mapreduce-client-core in the patch failed. {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m  0s{color}
| {color:green} The patch has no whitespace issues. {color} |
| {color:red}-1{color} | {color:red} shadedclient {color} | {color:red}  4m  7s{color} | {color:red}
patch has errors when building and testing our client artifacts. {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red}  0m 19s{color} | {color:red}
hadoop-mapreduce-client-core in the patch failed. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 22s{color} |
{color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  0m 27s{color} | {color:red}
hadoop-mapreduce-client-core in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 21s{color}
| {color:green} The patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 54m 12s{color} | {color:black}
{color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hadoop:8620d2b |
| JIRA Issue | MAPREDUCE-7073 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12918059/MAPREDUCE-7073.001.patch
|
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  shadedclient
 findbugs  checkstyle  |
| uname | Linux 71c9167e4433 4.4.0-43-generic #63-Ubuntu SMP Wed Oct 12 13:48:03 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | trunk / 5700556 |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_162 |
| findbugs | v3.1.0-RC1 |
| mvninstall | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7382/artifact/out/patch-mvninstall-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-core.txt
|
| compile | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7382/artifact/out/patch-compile-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-core.txt
|
| javac | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7382/artifact/out/patch-compile-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-core.txt
|
| mvnsite | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7382/artifact/out/patch-mvnsite-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-core.txt
|
| findbugs | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7382/artifact/out/patch-findbugs-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-core.txt
|
| unit | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7382/artifact/out/patch-unit-hadoop-mapreduce-project_hadoop-mapreduce-client_hadoop-mapreduce-client-core.txt
|
|  Test Results | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7382/testReport/
|
| Max. process+thread count | 446 (vs. ulimit of 10000) |
| modules | C: hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core
U: hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core |
| Console output | https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/7382/console |
| Powered by | Apache Yetus 0.8.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Optimize TokenCache#obtainTokensForNamenodesInternal
> ----------------------------------------------------
>
>                 Key: MAPREDUCE-7073
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-7073
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Bibin A Chundatt
>            Assignee: Bibin A Chundatt
>            Priority: Major
>         Attachments: MAPREDUCE-7073.001.patch
>
>
> {{FileInputFormat#listStatus}} is too slow file system cache is disabled. 
> {{TokenCache#obtainTokensForNamenodesInternal}} for every filesystem instance {{Master.getMasterPrincipal(conf)}}
is caled which reloads YarnConfiguration .
> For fileInput with 1k file will reload YarnConfiguration 1k times.
> {{Master.getMasterPrincipal(conf)}} can be passed for  {{obtainTokensForNamenodesInternal}}
per filesystem call.



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