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https://issues.apache.org/jira/browse/HDFS-8135?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14551916#comment-14551916
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zhangduo commented on HDFS-8135:
--------------------------------
HBase uses DistributedFileSystem.setSafeMode to check whether an hdfs cluster
is in safe mode. This method needs {{HdfsConstants.SafeModeAction}}.
I found that there is a {{HdfsUtils.isHealthy}}, we could try to make use of
this method instead of depending on hdfs private classes.
Thanks.
> Remove the deprecated FSConstants class
> ---------------------------------------
>
> Key: HDFS-8135
> URL: https://issues.apache.org/jira/browse/HDFS-8135
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Haohui Mai
> Assignee: Li Lu
> Fix For: 2.8.0
>
> Attachments: HDFS-8135-041315.patch
>
>
> The {{FSConstants}} class has been marked as deprecated since 0.23. There is
> no uses of this class in the current code base and it can be removed.
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