> On November 29, 2017 at 4:37 AM Mark Moseley <moseleym...@gmail.com> wrote:
> Just happened to be surfing the docs and saw this. This is beyond awesome:
> https://wiki2.dovecot.org/AuthDatabase/Lua
> Any words of wisdom on using it? I'd be putting a bunch of mysql logic in
> it. Any horrible gotchas there? When it says 'blocking', should I assume
> that means that a auth worker process will *not* accept any new auth
> lookups until both auth_passdb_lookup() and auth_userdb_lookup() have
> completed (in which I'd be doing several mysql calls)? If that's the case,
> I assume that the number of auth workers should be bumped up.
> And is a 2.3 release fairly imminent?


This feature was added very recently, and there is very little operational 
experience on it. As the docs should say, blocking=yes means that an auth 
worker is used, and yes, it will block each auth worker during authentication, 
but what we tried, it should perform rather nicely.

The most important gotcha is to always test your lua code rigorously, because 
there is not much we can do to save you.

It should be present in master branch, so if someone feels like trying it out, 
please let us know if you find any bugs or strangeness. It's not present in 
nightlies yet.

We are planning on releasing 2.3.0 this year.


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