Thread-pool should be used very carefully.
We tested it and InnoDB hangs in sysbench benchmarks when count of
client connection > size of thread-pool.
The problem is transaction state. Some connections may do internals
locks and after that could not enter to pool, because all slots are busy.
I expect you will have the same problem with Maria when it can fully
Michael Widenius wrote:
> Just wanted to inform that I just pushed and extended pool-of-threads
> handling to the active MariaDB tree at launchpad.
> I plan to during the next few days also add the following patches to
> Mailing list: https://launchpad.net/~maria-developers
> Post to : maria-developers@stripped
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