[jira] [Created] (HDFS-16643) Potential Refactoring

["Alvin Tan Jian Jia (Jira)" <ji...@apache.org>]

Alvin Tan Jian Jia created HDFS-16643:
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             Summary: Potential Refactoring
                 Key: HDFS-16643
                 URL: https://issues.apache.org/jira/browse/HDFS-16643
             Project: Hadoop HDFS
          Issue Type: Improvement
            Reporter: Alvin Tan Jian Jia
         Attachments: Hadoop_release-3.2.2-RC1.csv

*Summary*

I have identified a few classes with refactoring potential, specifically on UI Components. The issue was refactored once on Jun 25, 2019  along with other classes in commit ade8d3b60ecdab55bd61a71905ea3dbba0922f3e.  Is it possible to improve UI Components further? I am probably not qualified and experienced enough to point out the exact code needs to be refactored, given my limited knowledge of the project and codebase.

*Urgency*

Low priority. For maintenance of code in the long run.

Hi,

I am currently doing some research on Estimating Time Taken for Software Refactoring. Hadoop is one of my case studies being a highly popular project. Would appreciate your kind feedback on the appropriateness of the estimated time to refactor.

I am specifically looking at potential for refactoring, such as breaking functions that are too long into shorter functions, or to remove code duplication. Would you agree that there could be some modification to the code to make it better in the listed classes? And if so, is the estimated time appropriate to carry out the improvement? I will be grateful for any help you can provide.
 # FederationMBean.java - 4 hours
 # NamenodeBeanMetrics.java - 3 hours
 # Router.java - 2.5 hours
 # RouterMetricsService.java - 1 hour

 

The attached csv file contains the other recommendations from my research. Thank you once again for any help you can provide.

 

Regards,

Alvin



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