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Posted to dev@drill.apache.org by "Rahul Challapalli (JIRA)" <ji...@apache.org> on 2015/09/24 19:33:06 UTC
[jira] [Created] (DRILL-3835) Metadata Caching : Running a query
should update the cache incrementally when data gets modified
Rahul Challapalli created DRILL-3835:
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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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