hadoop-common-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11506) Configuration variable expansion regex expensive for long values
Date Fri, 06 Feb 2015 14:22:49 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14309209#comment-14309209
] 

Hudson commented on HADOOP-11506:
---------------------------------

SUCCESS: Integrated in Hadoop-Hdfs-trunk #2028 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk/2028/])
HADOOP-11506. Configuration variable expansion regex expensive for long values. (Gera Shegalov
via gera) (gera: rev 644548f201743408904dfe24b9f5b515b2c96713)
* hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/conf/TestConfiguration.java
* hadoop-common-project/hadoop-common/CHANGES.txt
* hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java


> Configuration variable expansion regex expensive for long values
> ----------------------------------------------------------------
>
>                 Key: HADOOP-11506
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11506
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: conf
>            Reporter: Dmitriy V. Ryaboy
>            Assignee: Gera Shegalov
>             Fix For: 2.7.0
>
>         Attachments: HADOOP-11506.001.patch, HADOOP-11506.002.patch, HADOOP-11506.003.patch,
HADOOP-11506.004.patch
>
>
> Profiling several large Hadoop jobs, we discovered that a surprising amount of time was
spent inside Configuration.get, more specifically, in regex matching caused by the substituteVars
call.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message