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https://issues.apache.org/jira/browse/HBASE-20214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16402422#comment-16402422
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BELUGA BEHR commented on HBASE-20214:
-------------------------------------
In the method {{mapHostNameToServerName}} there is a self-implemented
{{MultiValueMap}}. Just use the [Apache
Commons|https://commons.apache.org/proper/commons-collections/apidocs/org/apache/commons/collections4/map/MultiValueMap.html]
implementation instead.
> Review of RegionLocationFinder Class
> ------------------------------------
>
> Key: HBASE-20214
> URL: https://issues.apache.org/jira/browse/HBASE-20214
> Project: HBase
> Issue Type: Improvement
> Components: Balancer, master
> Affects Versions: 2.0.0
> Reporter: BELUGA BEHR
> Assignee: BELUGA BEHR
> Priority: Minor
> Attachments: HBASE-20214.1.patch
>
>
> # Use SLF4J parameter logging
> # Remove superfluous code
> # Replace code with re-usable libraries where possible
> # Use different data structure
> # Small perf improvements
> # Fix some checkstyle
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