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womble -> RE: MySQL Database vs Access (5/15/2007 19:03:49)
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I have a busy SMF forum where it's not uncommon to see 30-40 people online concurrently and we've had no complaints about page loading speed. There has been a marked difference though since we switched hosts a couple of months back. With the old hosts and 5-10 users online, there was a noticeable delay in page loading and a fair bit of time outs. Another of my forums, not half as busy, with probably only a handful of people online at the same time, and that's unbelievably slow. Same SMF version, same PHP version, and same MySQL version, but a very flaky db server. SMF is known for being lightweight, code-wise, not suffering from the code bloat of some forum systems, and doesn't tend to over-strain db servers. As Brian says, given similar data structures and configurations, MySQL easily outperforms Access. Don't forget though that you've got a web server interacting with the MySQL server, and most probably hardware firewalls. Are the servers clustered and load balanced? There's various bits that work together serving a dynamic page, and any one of those can cause a bottleneck. On top of that you've got general internet congestion and connection speeds. Even though I'm on a relatively fast connection, mine noticeably drops in the evenings, so it's not quite as simple as MySQL v Access.
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