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From "Rahul Challapalli (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-3835) Metadata Caching : Running a query should update the cache incrementally when data gets modified
Date Thu, 24 Sep 2015 17:33:06 GMT
Rahul Challapalli created DRILL-3835:
----------------------------------------

             Summary: Metadata Caching : Running a query should update the cache incrementally
when data gets modified
                 Key: DRILL-3835
                 URL: https://issues.apache.org/jira/browse/DRILL-3835
             Project: Apache Drill
          Issue Type: Bug
          Components: Metadata
            Reporter: Rahul Challapalli
             Fix For: 1.2.0


git.commit.id.abbrev=240a455

Looking at the below numbers, it looks like we are not doing an incremental update to the
cache when the first query is executed after the data has been modified.

{code}
refresh table metadata 1st time : ~45 seconds
select count(*) from lineitem : ~32 seconds
Add a new file to the lineitem folder
select count(*) from lineitem: ~79 seconds
{code}

Query :
{code}

{code}



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