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Posted to hdfs-issues@hadoop.apache.org by "Fengnan Li (Jira)" <ji...@apache.org> on 2020/09/02 01:11:00 UTC
[jira] [Updated] (HDFS-15554) RBF: force router check file
existence in destinations before adding/updating mount points
[ https://issues.apache.org/jira/browse/HDFS-15554?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Fengnan Li updated HDFS-15554:
------------------------------
Summary: RBF: force router check file existence in destinations before adding/updating mount points (was: RBF: force router check file existence before adding/updating mount points)
> RBF: force router check file existence in destinations before adding/updating mount points
> ------------------------------------------------------------------------------------------
>
> Key: HDFS-15554
> URL: https://issues.apache.org/jira/browse/HDFS-15554
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Fengnan Li
> Assignee: Fengnan Li
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Adding/Updating mount points right now is only a router action without validation in the downstream namenodes for the destination files/directories.
> In practice we have set up the dangling mount points and when clients call listStatus they would get the file returned, but then if they try to access the file FileNotFoundException would be thrown out.
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