> Happy to see that we are not the only place where we find open to be a problem. I took a look at your module and while the approach is sound, I decided the complexity doesn't seem to be worth it. Hope to see some numbers of how your module works at scale.
time to complete - several seconds.
(posted it here - https://forum.nginx.org/read.php?2,255847,258854#msg-258854).
worker active requests hang for so long.
these extreme cases of worker hanging for few seconds wasn't something I wanted to accept.
so a solution that is limited to file cache is not something I could use.