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https://issues.apache.org/jira/browse/HDFS-12537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16190348#comment-16190348
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Anu Engineer commented on HDFS-12537:
-------------------------------------

@Lokesh, Thank up for updating the patch. I am +1 on this change. There is a 
checkstyle warning that might require some code refactoring to get fixed. So I 
am going to wait until it is fixed.

./hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/tools/Corona.java:485:
    private CoronaJobInfo(String execTime, String 
averageVolumeCreationTime,:13: More than 7 parameters (found 10). 
\[ParameterNumber\]

> Ozone: Reduce key creation overhead in Corona
> ---------------------------------------------
>
>                 Key: HDFS-12537
>                 URL: https://issues.apache.org/jira/browse/HDFS-12537
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Lokesh Jain
>            Assignee: Lokesh Jain
>         Attachments: HDFS-12537-HDFS-7240.001.patch, 
> HDFS-12537-HDFS-7240.002.patch, HDFS-12537-HDFS-7240.003.patch
>
>
> Currently Corona creates random key values for each key. This creates a lot 
> of overhead. An option should be provided to use a single key value.



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