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From "Rahul Challapalli (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-4137) Metadata Cache not being leveraged
Date Thu, 26 Nov 2015 00:49:11 GMT
Rahul Challapalli created DRILL-4137:
----------------------------------------

             Summary: Metadata Cache not being leveraged
                 Key: DRILL-4137
                 URL: https://issues.apache.org/jira/browse/DRILL-4137
             Project: Apache Drill
          Issue Type: Bug
          Components: Metadata
            Reporter: Rahul Challapalli
            Priority: Critical


git.commit.id.abbrev=367d74a

The below query is not leveraging the metadata

{code}
0: jdbc:drill:zk=10.10.100.190:5181> explain plan for  select * from fewtypes;
+------+------+
| text | json |
+------+------+
| 00-00    Screen
00-01      Project(*=[$0])
00-02        Scan(groupscan=[ParquetGroupScan [entries=[ReadEntryWithPath [path=maprfs:///drill/testdata/metadata_caching/fewtypes/fewtypes.parquet]],
selectionRoot=/drill/testdata/metadata_caching/fewtypes/fewtypes.parquet, numFiles=1, usedMetadataFile=false,
columns=[`*`]]])
{code}

I attached the data set used



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