Rahul Challapalli created DRILL-3832:
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             Summary: Metadata Caching : There should be a way for the user to 
know that the cache has been leveraged
                 Key: DRILL-3832
                 URL: https://issues.apache.org/jira/browse/DRILL-3832
             Project: Apache Drill
          Issue Type: Improvement
          Components: Metadata
            Reporter: Rahul Challapalli
            Assignee: Aman Sinha


git.commit.id.abbrev=3c89b30

Currently the user has no way of knowing that the metadata cache file has been 
leveraged apart from comparing the time which could be influenced by other 
factors.

It would be helpful while debugging to know whether or not the cache has been 
leveraged. This information can be added to one or a combination of the below 
places
    1. Profiles
    2. Explain Plan Output
    3. Log files



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