MySQL resource usage

I'm using MySQL with PHP. I want to measure how much 开发者_JAVA技巧memory and other resources MySQL is using when I run a particular query

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As far as I'm aware, you cannot do this in PHP. However, if you are afraid that you are consuming too much memory with your queries, you can use mysql_free_result( );.

$result = ... first query

mysql_free_result( $result ); // Frees memory

$next_result = ... next query