According to the nginx changelog, it's been fixed in 1.19.1
part of changelog http://nginx.org/en/CHANGES
Changes with nginx 1.19.1 07 Jul 2020
*) Change: the "lingering_close", "lingering_time", and
"lingering_timeout" directives now work when using HTTP/2.
*) Change: now extra data sent by a backend are always discarded.
*) Change: now after receiving a too short response from a FastCGI
server nginx tries to send the available part of the response to the
client, and then closes the client connection.
*) Change: now after receiving a response with incorrect length from a
gRPC backend nginx stops response processing with an error.
*) Feature: the "min_free" parameter of the "proxy_cache_path",
"fastcgi_cache_path", "scgi_cache_path", and "uwsgi_cache_path"
directives.
Thanks to Adam Bambuch.
**) Bugfix: nginx did not delete unix domain listen sockets during
graceful shutdown on the SIGQUIT signal. *The last one which is indicate to the
bug related
**
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吳宇萱 / Lisbeth Wu (土撥鼠)
[email protected]
https://liswu.me