* kpettersson@stripped <kpettersson@stripped> [07/09/07 19:07]:
> ChangeSet@stripped, 2007-09-07 16:11:55+02:00, thek@adventure.(none) +2 -0
> Bug #30887 Server crashes on SET GLOBAL query_cache_size=0
>
> Reseting the query cache by issuing a SET GLOBAL query_cache_size=0 would
> cause the server to crash if a the server was saving a new result set to the
> query cache.
Could you please explain how this patch will prevent FLUSH threads
starvation?
> - Refactored query_cache_end_of_result to rely on block level locks instead
> of global lock.
Let's not take any extra risk in 5.1 unless you have to do that.
OK to push this piece into 5.2 (after review).
> - Added reference variable counting active writers.
> - Fixed bug for embedded access which doesn't support grant privileges.
Please fix it in a separate patch, if possible (so that it can be
approved quickly).
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-- Konstantin Osipov Software Developer, Moscow, Russia
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