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https://issues.apache.org/jira/browse/HADOOP-16267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16824339#comment-16824339
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Hadoop QA commented on HADOOP-16267:
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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} 0m
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 8s{color}
| {color:red} HADOOP-16267 does not apply to trunk. Rebase required? Wrong
Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HADOOP-16267 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12966565/HADOOP-16267.patch |
| Console output |
https://builds.apache.org/job/PreCommit-HADOOP-Build/16181/console |
| Powered by | Apache Yetus 0.8.0 http://yetus.apache.org |
This message was automatically generated.
> Performance gain if you use replace() instead of replaceAll() for replacing
> patterns that do not use a regex
> -------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-16267
> URL: https://issues.apache.org/jira/browse/HADOOP-16267
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 3.1.2
> Reporter: bd2019us
> Priority: Minor
> Labels: pull-request-available
> Attachments: HADOOP-16267.patch
>
>
> Performance gain if you use replace() instead of replaceAll() for replacing
> patterns that do not use a regex. This happens because replace() does not
> need to compile the regex pattern like replaceAll() does.
> Affected files:
> *
> hadoop-tools/hadoop-distcp/src/main/java/org/apache/hadoop/tools/mapred/CopyCommitter.java
> *
> hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/state/Graph.java
> *
> hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/PrintJarMainClass.java
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