slow request on MySQL

Hello all, My server is too often blocked and i would like to detect
the requests which block it or which are slow to run. Do you Know a
small script or small a free software which will help me.
Thank you for your assistance

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newser wrote:
> Hello all, My server is too often blocked and i would like to detect the
> requests which block it or which are slow to run. Do you Know a small
> script or small a free software which will help me.

If I don't remember it wrong, MySQL did supply such tools, check their homep
age.