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https://issues.apache.org/jira/browse/HDFS-16647?focusedWorklogId=787037&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-787037
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ASF GitHub Bot logged work on HDFS-16647:
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Author: ASF GitHub Bot
Created on: 01/Jul/22 10:17
Start Date: 01/Jul/22 10:17
Worklog Time Spent: 10m
Work Description: jianghuazhu opened a new pull request, #4525:
URL: https://github.com/apache/hadoop/pull/4525
### Description of PR
It looks like NameNode#FS_HDFS_IMPL_KEY is not being used anywhere, it would
be cleaner to remove it.
Details: HDFS-16647
### How was this patch tested?
Here is just to delete some unused code, it is not too stressful for testing.
Issue Time Tracking
-------------------
Worklog Id: (was: 787037)
Remaining Estimate: 0h
Time Spent: 10m
> Delete unused NameNode#FS_HDFS_IMPL_KEY
> ---------------------------------------
>
> Key: HDFS-16647
> URL: https://issues.apache.org/jira/browse/HDFS-16647
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 3.3.3
> Reporter: JiangHua Zhu
> Assignee: JiangHua Zhu
> Priority: Minor
> Time Spent: 10m
> Remaining Estimate: 0h
>
> There's some history here, NameNode#FS_HDFS_IMPL_KEY was introduced in
> HDFS-15450, and something was removed later in HDFS-15533, but
> FS_HDFS_IMPL_KEY was kept.
> Here are some discussion details:
> https://github.com/apache/hadoop/pull/2229#discussion_r470935801
> It seems to be cleaner to remove the unused NameNode#FS_HDFS_IMPL_KEY.
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