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https://issues.apache.org/jira/browse/HADOOP-8689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13442648#comment-13442648
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Kihwal Lee commented on HADOOP-8689:
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In HDFS-3856, namenode does System.exit(1), because getServerDefaults() is not
allowed on backup nodes.
> Make trash a server side configuration option
> ---------------------------------------------
>
> Key: HADOOP-8689
> URL: https://issues.apache.org/jira/browse/HADOOP-8689
> Project: Hadoop Common
> Issue Type: Improvement
> Components: fs
> Affects Versions: 2.0.0-alpha
> Reporter: Eli Collins
> Assignee: Eli Collins
> Fix For: 2.2.0-alpha
>
> Attachments: hadoop-8689.txt, hadoop-8689.txt
>
>
> Per ATM's suggestion in HADOOP-8598 for v2 let's make {{fs.trash.interval}}
> configured server side. If it is not configured server side then the client
> side configuration is used. The {{fs.trash.checkpoint.interval}} option is
> already server side as the emptier runs in the NameNode. Clients may manually
> run an emptier via hadoop org.apache.hadoop.fs.Trash but it's OK if it uses a
> separate interval.
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