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I am in the process of making a Javascript(Front end, PHP back end) game. In this game it checks the server for updates every 2 seconds. There is one 1 sql call being run and at the end I use $mysqli->close() to close the SQL connection. The columns in the where are both indexed.
The problem I am having is after its running for a little while MYSQL starts spawning tons of sleep processes. Does anyone have any idea what might be causing this?
I’d push updates to your users instead of polling for them. Check out the AJAX Push Engine, that can help a lot. Also, turn on persistent MySQL connections, that could help.