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Posted to common-dev@hadoop.apache.org by "Arun Ravi M V (Jira)" <ji...@apache.org> on 2019/08/30 06:50:00 UTC

[jira] [Created] (HADOOP-16540) Pluggable Filesystem Caching Support in FileSystem Class

Arun Ravi M V created HADOOP-16540:
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             Summary: 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
            Reporter: Arun Ravi M V


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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