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Recently, GoldenChoco MySQL server has troubled for consuming too much memory. It caused by GoldenChoco Portal Web (http://www.goldenchoco.web.id) WordPress. When it loads MySQL consuming much memory, in actual there's not too much connection in the same time. Just for 1 client it can consumed much memory, while at the same time more than 1 connection it can caused server crashed.
Then we found that trouble from MySQL server didnt have any cache option for it when it loads query from client.
From Internet we found some information about what MySQL server did when it consumed more memory:
MySQL default cache settings are not too tight on Ubuntu/Debian, making it suitable for moderate loads, not low loads. If you don’t have much content, everything is just kept in memory (even if not needed)MySQL uses round robin for connections and if there is 100 max connections it will allocate a thread stack for each connection (someone please confirm this – I found contracting infos).It mentioned…