Then you select Preserve Given Case, which is not the default. When installing MySQL Server 8.0.x, you have to select Advanced Options so that you can get to this screen: (Bug #27309094, Bug #89035)īy -initialized, it is referring the initial install of 8.0. The restriction is necessary because collations used by data dictionary table fields are based on the setting defined when the server is initialized, and restarting the server with a different setting would introduce inconsistencies with respect to how identifiers are ordered and compared. It is now prohibited to start the server with a lower_case_table_names setting that is different from the setting used when the server was initialized. I have googled all over and read several forum articles but I can't find clear instructions on how to resolve this. So lower_case_table_names needs to be set together withīut I have no idea what that means, or how to set it at startup. This seems to be a common problem for a lot of people. In the mysql logs I see this:ĭifferent lower_case_table_names settings for server ('2') and data When I attempt to do that and restart the service so it takes effect, the service crashes and stops. But I want it to look right in Workbench, and I could always achieve this in previous versions of MySQL. I realize that under the hood these objects may remain lower case, which is fine. I'm attaching another screenshot, just to make the problem more evident:Ĭan't set lower_case_table_names in MySQL 8.x on Windows 10 In MySQL 8.0.12 running on Windows 10, it seems impossible to set lower_case_table_names to 2, so as to achieve the appearance of mixed case DB and table names in Workbench. I found remarkable the difference in the telemetry "JDBC Average Statement Execution Time" for Perfino: I have fiddled a bit with my.cnf but either I have yet to find the optimal configuration, or mysql is not appropriate as persistence solution for perfino. Unfortunately, I couldn't find any documentation about mysql recommended configuration. Limited to) setting low values for max_allowed_packet or max_connections. Will not work with the perfino connection pool, including (but not Please note that it is possible to configure MySQL in such a way that it I could find the following quote in the perfino.properties: But in my first attempt, I'm loosing lots of data (with H2 it was a nice continuous curve): How to configure mysql for perfino? - perfino After a H2 database corruption, I'm considering migrating to mysql.
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