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by majidazimi
3545 days ago
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Big companies like what you listed is not good examples. Since we don't know if they use bare bone MySQL or not. They absolutely have the expertise to modify MySQL and use their own branch. If big names use XXX product, it doesn't mean that product is awesome since that have the money and expertise to modify it. |
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No, we know this exactly, because companies freely discuss it. (I've worked for 2 of the companies I listed, and over the years have attended conference talks by pretty much all of the other ones I mentioned.)
The vast majority of these companies use an unmodified copy of either stock (oracle) MySQL, Percona Server, or MariaDB. Of these 3 major options, Percona Server is the most common among large-scale companies.
The companies that modify MySQL (Facebook, Twitter, LinkedIn, Google, Alibaba) readily open-source their changes. They're not really forks, it's more like a patch-set that they port to new versions. They make nice improvements that are often incorporated into Percona Server and some eventually are reimplemented by Oracle to be put back upstream.
The one big exception is Amazon, which doesn't open-source its changes. But aside from them, it's an open source ecosystem. Having companies with "expertise to modify MySQL and use their own branch" is a good thing and this is exactly why it's a good example of MySQL's popularity!