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https://issues.apache.org/jira/browse/HBASE-13716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14553409#comment-14553409
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zhangduo commented on HBASE-13716:
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+1 for now.
Add I check the code again, {{HdfsUtils.isHealthy(URI)}} calls
{{DistributedFileSystem.setSafeMode(GET, false)}}, but in HBase we calls
{{DistributedFileSystem.setSafeMode(GET, true)}}. I think the difference is
when the second parameter is true then BackupNN will throw a StandByException
that force client to connect to ActiveNN.
If we must connect to ActiveNN in HBase, then {{HdfsUtils.isHealthy(URI)}} is
not enough. So add new methods in {{HdfsUtils}}?
> Stop using Hadoop's FSConstants
> -------------------------------
>
> Key: HBASE-13716
> URL: https://issues.apache.org/jira/browse/HBASE-13716
> Project: HBase
> Issue Type: Task
> Affects Versions: 1.0.0, 1.1.0
> Reporter: Sean Busbey
> Assignee: Sean Busbey
> Priority: Blocker
> Fix For: 2.0.0, 1.0.2, 1.2.0, 1.1.1
>
> Attachments: HBASE-13716.1.patch
>
>
> the FSConstants class was removed in HDFS-8135 (currently slated for Hadoop
> 2.8.0). I'm trying to have it reverted in branch-2, but we should migrate off
> of it sooner rather htan later.
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