mirror of https://github.com/apache/cloudstack.git
7e085d5e1d
Per docs, if the mysql connector is JDBC2 compliant then it should use the Connection.isValid API to test a connection. (https://docs.oracle.com/javase/8/docs/api/java/sql/Connection.html#isValid-int-) This would significantly reduce query lags and API throughput, as for every SQL query one or two SELECT 1 are performed everytime a Connection is given to application logic. This should only be accepted when the driver is JDBC4 complaint. As per the docs, the connector-j can use /* ping */ before calling SELECT 1 to have light weight application pings to the server: https://dev.mysql.com/doc/connector-j/en/connector-j-usagenotes-j2ee-concepts-connection-pooling.html Replaces dbcp2 connection pool library with more performant HikariCP. With this unit tests are failing but build is passing. Signed-off-by: Rohit Yadav <rohit.yadav@shapeblue.com> Signed-off-by: Abhishek Kumar <abhishek.mrt22@gmail.com> Co-authored-by: Rohit Yadav <rohityadav89@gmail.com> |
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