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https://issues.apache.org/jira/browse/HDFS-10880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Inigo Goiri updated HDFS-10880:
-------------------------------
Attachment: HDFS-10880-HDFS-10467-003.patch
Tackled comments from [~chris.douglas]:
* Changed locking model for {{MountTableResolver}}
* Fixed upper key search (e.g., {{invalidateLocationCache()}})
* Removed {{getDestinationOrder()}}
* Tweaked {{PathLocation}} prioritzation.
* Removed classes related to {{CachedRecordStore}} as they were committed in
HDFS-10687
* Removed {{MountTable}} comparators as they are used for metrics
* Removed {{PathTree}}
> Federation Mount Table State Store internal API
> -----------------------------------------------
>
> Key: HDFS-10880
> URL: https://issues.apache.org/jira/browse/HDFS-10880
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: fs
> Reporter: Jason Kace
> Assignee: Inigo Goiri
> Attachments: HDFS-10880-HDFS-10467-000.patch,
> HDFS-10880-HDFS-10467-001.patch, HDFS-10880-HDFS-10467-002.patch,
> HDFS-10880-HDFS-10467-003.patch
>
>
> The Federation Mount Table State encapsulates the mapping of file paths in
> the global namespace to a specific NN(nameservice) and local NN path. The
> mount table is shared by all router instances and represents a unified view
> of the global namespace. The state store API for the mount table allows the
> related records to be queried, updated and deleted.
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