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From Íñigo Goiri (JIRA) <j...@apache.org>
Subject [jira] [Updated] (HDFS-12802) RBF: Control MountTableResolver cache size
Date Mon, 11 Dec 2017 23:11:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12802?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Íñigo Goiri updated HDFS-12802:
-------------------------------
    Status: Patch Available  (was: Open)

> RBF: Control MountTableResolver cache size
> ------------------------------------------
>
>                 Key: HDFS-12802
>                 URL: https://issues.apache.org/jira/browse/HDFS-12802
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Íñigo Goiri
>            Assignee: Íñigo Goiri
>         Attachments: HDFS-12802.000.patch
>
>
> Currently, the {{MountTableResolver}} caches the resolutions for the {{PathLocation}}.
However, this cache can grow with no limits if there are a lot of unique paths. Some of these
cached resolutions might not be used at all.
> The {{MountTableResolver}} should clean the {{locationCache}} periodically.



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