Hello all,
I am still not able to get the MySQL directory to work multi-threaded. I have
been working on this off and on that last month and several days the last few
weeks with no luck. It seems to work fine single-threaded. I have verified
each thread has its own DbMySqlDirectory each with a unique connection to the
database.
I have not received any responses from my post on the MySQL C API forum and the
response on the #mysql IRC was "C and C++ are complicated".
I do have some simple sample code from the MySQL community documentation that
does run multi-threaded. Interesting the original code used locks to provide
exclusive access to the MySQL database which sort-of removes most of the
benefits of running MySQL multi-threaded. I removed the locks and it seems to
work fine. However this sample code does not use prepared statements. I am
not sure if that makes any difference.
I thought I would relay my status on the DB Backend. If desired, I could
check-in a version of the Directory that essentially serializes MySQL access
even in multi-threaded environments to use until the multi-threading issue gets
worked out. Getting the MySQL part of the Directory to properly work
multi-threaded may take awhile. What do you think?
Thanks,
John
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