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Posted to hdfs-issues@hadoop.apache.org by "Íñigo Goiri (JIRA)" <ji...@apache.org> on 2017/12/11 23:11:00 UTC
[jira] [Updated] (HDFS-12802) RBF: Control MountTableResolver cache
size
[ 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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