Creating this issue to clarify that while
FINERACT-761 is focused on (only) the build time use of the Drizzle JDBC driver (which does not lead to it being included in the final Fineract end-user distribution), this is re. the use of it at run-time, which is packaged in the distribution.
The two uses are technically unrelated. While the use of Drizzle instead of Connector/J in the build is a a blocking issue, the use at run-time is not a blocking problem, currently. It's perhaps still not ideal to maintain on a completely unmaintained library (Drizzle) for database access, e.g. for performance.