What is the "Compressed client/server protocol"?

[expired user #8509]'s profile image [expired user #8509] posted 9 years ago in General Permalink
I googled around, and didn't find any information on it. What does this option actually do? Does it improve connection performance? Which servers support this kind of connection? Is it better to leave it on or leave it off?
kalvaro's profile image kalvaro posted 9 years ago Permalink
There's a brief explanation at MySQL Internals Manual -> MySQL Client/Server Protocol -> Compression:


Since I have more spare CPU than network bandwidth I normally enable it. In practice, I've never had any issue with the feature.

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