On 2018/07/24 3:35 PM, Philipp Cornelius wrote:

  * More tables. Production DB is > 5GB.


5GB is really not that much data these days. Copy it to your local machine 
and...

(1) Run EXPLAIN ANALYZE <query> overnight on your machine.

(2) If that still doesn't finish, try write a little program that connects using JDBC and runs your test case, and uses the H2 sampling profiler. Start a java.util.Timer in the background that cancels the PreparedStatement after 10 minutes, and post the output from the profiler here.

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