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I have multiple WSGI instances running each on it's own user account.

I'm trying to give the users to reload their own HTTPD processes only on Python/DJango code update, without impacting the other users (as full Apache restart would do).

Any way to accomplish this?

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I don't know of a way to restart individual processes without having multiple different apache installs (which is a perfectly sensible way to do it, especially if people are breaking things). However, you might want to look at the graceful restart directive...Basically, it's a restart that waits for running processes to complete, before it cycles the server.

I work on a lot of really large websites, and this is commonly used in production with very little user impact.

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