arina-ielchiieva opened a new pull request #2027: DRILL-7639: Replace DBCP2 with HikariCP in RDBMS (JDBC) plugin URL: https://github.com/apache/drill/pull/2027 # [DRILL-7639](https://issues.apache.org/jira/browse/DRILL-7639): Replace DBCP2 with HikariCP in RDBMS (JDBC) plugin ## Description This PR replace DBCP2 with HikariCP in RDBMS (JDBC) plugin since HikariCP is much faster and more reliable. https://beansroasted.wordpress.com/2017/07/29/connection-pool-analysis/ https://github.com/brettwooldridge/HikariCP ## Documentation NA ## Testing Added unit tests, ran all tests, tested manually.
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