Limitations/Differences with a MariaDB Server Compiled for Debugging
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A MariaDB server configured with
--with-debug=full has the following differences from a normal MariaDB server:
- You can have maximum of 1000 tables locked at the same time in one statement. (Define
MAX_LOCKSin mysys/thrlock.c). This is to detect loops in the used lists.
- You can have maximum of 1000 threads locking the same table. (Define
MAX_THREADSin mysys/thrlock.c). This is to detect loops in the used lists.
- Deadlock detection of mutex will be done at runtime. If wrong mutex handling is found an error will be printed to the error log. (Define
- Memory overrun/underrun and not freed memory will be reported to the error log (Define
- You can get a trace of what
mysqld(and most other binaries) is doing by starting it with the
--debugoption. The trace is usually put in
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