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Posted to yarn-issues@hadoop.apache.org by "Hadoop QA (Jira)" <ji...@apache.org> on 2020/06/26 10:27:00 UTC
[jira] [Commented] (YARN-10216) Utility to dynamically reload
Configuration on the disk
[ https://issues.apache.org/jira/browse/YARN-10216?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17146197#comment-17146197 ]
Hadoop QA commented on YARN-10216:
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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} 2m 2s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} dupname {color} | {color:green} 0m 0s{color} | {color:green} No case conflicting files found. {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:brown} trunk Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 1m 21s{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 27m 17s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 22m 51s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 3m 34s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 5m 7s{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} shadedclient {color} | {color:green} 27m 40s{color} | {color:green} branch has no errors when building and testing our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 3m 23s{color} | {color:green} trunk passed {color} |
| {color:blue}0{color} | {color:blue} spotbugs {color} | {color:blue} 2m 14s{color} | {color:blue} Used deprecated FindBugs config; considering switching to SpotBugs. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 8m 42s{color} | {color:green} trunk passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 27s{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 3m 33s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 24m 25s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 24m 25s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange} 3m 38s{color} | {color:orange} root: The patch generated 13 new + 289 unchanged - 0 fixed = 302 total (was 289) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 4m 55s{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} shadedclient {color} | {color:green} 17m 5s{color} | {color:green} patch has no errors when building and testing our client artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 53s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} findbugs {color} | {color:red} 2m 47s{color} | {color:red} hadoop-common-project/hadoop-common generated 1 new + 0 unchanged - 0 fixed = 1 total (was 0) {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 12m 12s{color} | {color:green} hadoop-common in the patch passed. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 1m 23s{color} | {color:red} hadoop-yarn-api in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 24m 48s{color} | {color:green} hadoop-yarn-server-nodemanager in the patch passed. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 93m 49s{color} | {color:green} hadoop-yarn-server-resourcemanager in the patch passed. {color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red} 0m 50s{color} | {color:red} The patch generated 1 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}296m 30s{color} | {color:black} {color} |
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|| Reason || Tests ||
| FindBugs | module:hadoop-common-project/hadoop-common |
| | Inconsistent synchronization of org.apache.hadoop.conf.ConfigurationManager.watchService; locked 75% of time Unsynchronized access at ConfigurationManager.java:75% of time Unsynchronized access at ConfigurationManager.java:[line 281] |
| Failed junit tests | hadoop.yarn.conf.TestYarnConfigurationFields |
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|| Subsystem || Report/Notes ||
| Docker | ClientAPI=1.40 ServerAPI=1.40 base: https://builds.apache.org/job/PreCommit-YARN-Build/26215/artifact/out/Dockerfile |
| JIRA Issue | YARN-10216 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/13006481/YARN-10216.001.patch |
| Optional Tests | dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient findbugs checkstyle |
| uname | Linux b2ddf37e19b2 4.15.0-101-generic #102-Ubuntu SMP Mon May 11 10:07:26 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | personality/hadoop.sh |
| git revision | trunk / 6a8fd73b273 |
| Default Java | Private Build-1.8.0_252-8u252-b09-1~18.04-b09 |
| checkstyle | https://builds.apache.org/job/PreCommit-YARN-Build/26215/artifact/out/diff-checkstyle-root.txt |
| findbugs | https://builds.apache.org/job/PreCommit-YARN-Build/26215/artifact/out/new-findbugs-hadoop-common-project_hadoop-common.html |
| unit | https://builds.apache.org/job/PreCommit-YARN-Build/26215/artifact/out/patch-unit-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-api.txt |
| Test Results | https://builds.apache.org/job/PreCommit-YARN-Build/26215/testReport/ |
| asflicense | https://builds.apache.org/job/PreCommit-YARN-Build/26215/artifact/out/patch-asflicense-problems.txt |
| Max. process+thread count | 1348 (vs. ulimit of 5500) |
| modules | C: hadoop-common-project/hadoop-common hadoop-yarn-project/hadoop-yarn/hadoop-yarn-api hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager U: . |
| Console output | https://builds.apache.org/job/PreCommit-YARN-Build/26215/console |
| versions | git=2.17.1 maven=3.6.0 findbugs=3.1.0-RC1 |
| Powered by | Apache Yetus 0.12.0 https://yetus.apache.org |
This message was automatically generated.
> Utility to dynamically reload Configuration on the disk
> -------------------------------------------------------
>
> Key: YARN-10216
> URL: https://issues.apache.org/jira/browse/YARN-10216
> Project: Hadoop YARN
> Issue Type: New Feature
> Reporter: Cyrus Jackson
> Assignee: Cyrus Jackson
> Priority: Major
> Attachments: YARN-10216.001.patch, image-2020-04-06-09-50-51-948.png
>
>
> There should be a way to dynamically reload the configuration properties from the disk. The purpose of this feature is to let individual classes which are interested in observing this configuration changes, to be notified when the conf is reloaded from the disk. This is similar to how Hbase has done.
> *Class Diagram*
> !image-2020-04-06-09-50-51-948.png!
>
> *APPROACH DETAILS*
> The approach is based on the adaption of Hbase Online Configuration. In this case, the configuration file is monitored for any changes on the disk. If the file has changed, the properties of Configuration is reloaded and all the observers are notified.
> The classes that implements the observers updates the necessary values if required.
>
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