Little, Timothy wrote:
> Also titled, I want this to run slow ALL the time...
> I have a group of dreadful queries that I have to optimize.
> Some take 20-30 seconds each -- the first time that I run them. But
> then they never seem to take that long after the first time (taking less
> than a second then). If I change the "keywords" searched for in the
> where clauses, then they take a long time again... so it's the
> query-cache or something just like it.
> BUT, I am doing this each time :
> flush tables;
> reset query cache;
> set global query_cache_size=0;
> SELECT SQL_NO_CACHE DISTINCT ca.conceptid AS headingid,
> And still it's not avoiding the cache.
> Is there a cache I'm missing?
Disk cache, but I don't know how to clear it.