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From "Virajith Jalaparti (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-13069) Enable HDFS to cache data read from external storage systems
Date Fri, 26 Jan 2018 02:12:00 GMT
Virajith Jalaparti created HDFS-13069:
-----------------------------------------

             Summary: Enable HDFS to cache data read from external storage systems
                 Key: HDFS-13069
                 URL: https://issues.apache.org/jira/browse/HDFS-13069
             Project: Hadoop HDFS
          Issue Type: Improvement
            Reporter: Virajith Jalaparti


With {{PROVIDED}} storage (HDFS-9806), HDFS can address data stored in external storage systems.
Caching this data, locally, in HDFS can speed up subsequent accesses to the data -- this feature
is especially useful when accesses to the external store have limited bandwidth/higher latency.
This JIRA is to add this feature in HDFS.



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