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https://issues.apache.org/jira/browse/HDFS-9886?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15176269#comment-15176269
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Hudson commented on HDFS-9886:
------------------------------

FAILURE: Integrated in Hadoop-trunk-Commit #9413 (See 
[https://builds.apache.org/job/Hadoop-trunk-Commit/9413/])
HDFS-9886. Configuration properties for hedged read is broken. (zhz: rev 
67880ccae6568516ff3d13185fd7f250b234a2cf)
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* 
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/client/HdfsClientConfigKeys.java


> Configuration properties for hedged read is broken
> --------------------------------------------------
>
>                 Key: HDFS-9886
>                 URL: https://issues.apache.org/jira/browse/HDFS-9886
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Akira AJISAKA
>            Assignee: Akira AJISAKA
>            Priority: Blocker
>             Fix For: 2.8.0
>
>         Attachments: HDFS-9886.01.patch
>
>
> {code:title=HdfsClientConfigKeys.java}
>   /** dfs.client.hedged.read configuration properties */
>   interface HedgedRead {
>     String  THRESHOLD_MILLIS_KEY = PREFIX + "threshold.millis";
>     long    THRESHOLD_MILLIS_DEFAULT = 500;
>     String  THREADPOOL_SIZE_KEY = PREFIX + "threadpool.size";
>     int     THREADPOOL_SIZE_DEFAULT = 0;
>   }
> {code}
> {{PREFIX}} is not defined in the interface, so "dfs.client" is used as 
> {{PREFIX}}. Therefore, the properties are "dfs.client.threshold.millis" and 
> "dfs.client.threadpool.size". They should be 
> "dfs.client.hedged.read.threshold.millis" and 
> "dfs.client.hedged.read.threadpool.size".



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