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https://issues.apache.org/jira/browse/HDFS-12802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16319606#comment-16319606
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Yiqun Lin commented on HDFS-12802:
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Also +1 from me.
> 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, HDFS-12802.001.patch,
> HDFS-12802.002.patch, HDFS-12802.003.patch, HDFS-12802.004.patch,
> HDFS-12802.005.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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