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https://issues.apache.org/jira/browse/HADOOP-16540?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun Ravi M V resolved HADOOP-16540.
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Resolution: Won't Fix
> Pluggable Filesystem Caching Support in FileSystem Class
> --------------------------------------------------------
>
> Key: HADOOP-16540
> URL: https://issues.apache.org/jira/browse/HADOOP-16540
> Project: Hadoop Common
> Issue Type: New Feature
> Components: fs
> Affects Versions: 3.3.0
> Reporter: Arun Ravi M V
> Priority: Major
>
> Provide an option to use Custom Cache Class in FileSystem Class. Currently,
> the caching is enabled by default and uses the URI schema and authority value
> to determine whether to create a new FS instance for the given URI or to
> fetch an already existing one from the cache.
> In case of AWS S3 FS Impl, for an S3 path, the authority name will be bucket
> name, ie Filesystem object will be cached at the bucket level, but providing
> a custom caching logic can empower the user to cache it at some prefix level
> and provide more flexibility.
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