Igor Guzenko created DRILL-7115:
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Summary: Improve Hive schema show tables performance
Key: DRILL-7115
URL: https://issues.apache.org/jira/browse/DRILL-7115
Project: Apache Drill
Issue Type: Improvement
Components: Storage - Hive, Storage - Information Schema
Reporter: Igor Guzenko
Assignee: Igor Guzenko
In Sqlline(Drill), "show tables" on a Hive schema is taking nearly 15mins to
20mins. The schema has nearly ~8000 tables.
Whereas the same in beeline(Hive) is throwing the result in a split second(~
0.2 secs).
I tested the same in my test cluster by creating 6000 tables(empty!) in Hive
and then doing "show tables" in Drill. It took more than 2 mins(~140 secs).
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