hansedong opened a new issue, #9802:
URL: https://github.com/apache/apisix/issues/9802
### Current Behavior
As APISIX executes reload, but the old process does not exit for a long time.
```
root 885278 1 0 Jul05 ? 00:00:00 nginx: master process
/usr/bin/openresty -p /usr/local/apisix -c /usr/local/apisix/conf/nginx.conf
nobody 885280 885278 0 Jul05 ? 00:09:03 nginx: worker process is
shutting down
nobody 885281 885278 0 Jul05 ? 00:08:39 nginx: worker process is
shutting down
nobody 885282 885278 0 Jul05 ? 00:08:24 nginx: worker process is
shutting down
nobody 1288295 885278 0 18:09 ? 00:00:03 nginx: worker process is
shutting down
nobody 1288517 885278 5 18:10 ? 00:03:10 nginx: worker process
nobody 1288518 885278 4 18:10 ? 00:02:16 nginx: worker process
nobody 1288519 885278 4 18:10 ? 00:02:15 nginx: worker process
nobody 1288520 885278 4 18:10 ? 00:02:12 nginx: worker process
nobody 1288521 885278 0 18:10 ? 00:00:01 nginx: cache manager
process
root 1288522 885278 3 18:10 ? 00:01:41 nginx: privileged agent
process
root 1296427 1280594 0 19:04 pts/0 00:00:00 grep --color=auto nginx
```
From above, it can be seen that the creation time of the new process is
18:10, but it is already 19:05 now
```
[root@knode10-72-73-177 logs]# date
Fri Jul 7 19:05:05 CST 2023
```
APISIX 配置文件中 worker_shutdown_timeout 的配置项的值为 240s
```
nginx_config: # config for render the template to
generate nginx.conf
#user: root # specifies the execution user of the
worker process.
# the "user" directive makes sense only if
the master process runs with super-user privileges.
# if you're not root user,the default is
current user.
error_log: /DATA1/apisix/apisix/logs/error.log
error_log_level: warn # warn,error
worker_processes: 4 # if you want use multiple cores in
container, you can inject the number of cpu as environment variable
"APISIX_WORKER_PROCESSES"
enable_cpu_affinity: false # disable CPU affinity by default, if
APISIX is deployed on a physical machine, it can be enabled and work well.
worker_rlimit_nofile: 6553500 # the number of files a worker process
can open, should be larger than worker_connections
worker_shutdown_timeout: 240s # timeout for a graceful shutdown of
worker processes
```
### Expected Behavior
_No response_
### Error Logs
_No response_
### Steps to Reproduce
```
systemctl reload apisix
```
### Environment
- APISIX version (run `apisix version`): `3.4.0`
- Operating system (run `uname -a`): `Linux knode10-72-73-177
5.15.29-200.el7.x86_64 #1 SMP Thu Mar 31 14:09:17 UTC 2022 x86_64 x86_64 x86_64
GNU/Linux`
- OpenResty / Nginx version (run `openresty -V` or `nginx -V`):
```
nginx version: openresty/1.21.4.1
built by gcc 9.3.1 20200408 (Red Hat 9.3.1-2) (GCC)
built with OpenSSL 1.1.1s 1 Nov 2022
TLS SNI support enabled
configure arguments: --prefix=/usr/local/openresty/nginx --with-cc-opt='-O2
-DAPISIX_BASE_VER=1.21.4.1.8
-DNGX_GRPC_CLI_ENGINE_PATH=/usr/local/openresty/libgrpc_engine.so
-DNGX_HTTP_GRPC_CLI_ENGINE_PATH=/usr/local/openresty/libgrpc_engine.so
-DNGX_LUA_ABORT_AT_PANIC -I/usr/local/openresty/zlib/include
-I/usr/local/openresty/pcre/include -I/usr/local/openresty/openssl111/include'
--add-module=../ngx_devel_kit-0.3.1 --add-module=../echo-nginx-module-0.62
--add-module=../xss-nginx-module-0.06 --add-module=../ngx_coolkit-0.2
--add-module=../set-misc-nginx-module-0.33
--add-module=../form-input-nginx-module-0.12
--add-module=../encrypted-session-nginx-module-0.09
--add-module=../srcache-nginx-module-0.32 --add-module=../ngx_lua-0.10.21
--add-module=../ngx_lua_upstream-0.07
--add-module=../headers-more-nginx-module-0.33
--add-module=../array-var-nginx-module-0.05
--add-module=../memc-nginx-module-0.19 --add-module=../redis2-nginx-module-0.15
--add-module=../redis-nginx-module-0.3.9 --ad
d-module=../ngx_stream_lua-0.0.11
--with-ld-opt='-Wl,-rpath,/usr/local/openresty/luajit/lib
-Wl,-rpath,/usr/local/openresty/wasmtime-c-api/lib
-L/usr/local/openresty/zlib/lib -L/usr/local/openresty/pcre/lib
-L/usr/local/openresty/openssl111/lib
-Wl,-rpath,/usr/local/openresty/zlib/lib:/usr/local/openresty/pcre/lib:/usr/local/openresty/openssl111/lib'
--add-module=/tmp/tmp.YzVafXtnkf/openresty-1.21.4.1/../mod_dubbo-1.0.2
--add-module=/tmp/tmp.YzVafXtnkf/openresty-1.21.4.1/../ngx_multi_upstream_module-1.1.1
--add-module=/tmp/tmp.YzVafXtnkf/openresty-1.21.4.1/../apisix-nginx-module-1.12.0
--add-module=/tmp/tmp.YzVafXtnkf/openresty-1.21.4.1/../apisix-nginx-module-1.12.0/src/stream
--add-module=/tmp/tmp.YzVafXtnkf/openresty-1.21.4.1/../apisix-nginx-module-1.12.0/src/meta
--add-module=/tmp/tmp.YzVafXtnkf/openresty-1.21.4.1/../wasm-nginx-module-0.6.4
--add-module=/tmp/tmp.YzVafXtnkf/openresty-1.21.4.1/../lua-var-nginx-module-v0.5.3
--add-module=/tmp/tmp.YzVafXtnkf/openresty-1.21.4.1/../grp
c-client-nginx-module-v0.4.2 --with-poll_module --with-pcre-jit --with-stream
--with-stream_ssl_module --with-stream_ssl_preread_module --with-http_v2_module
--without-mail_pop3_module --without-mail_imap_module
--without-mail_smtp_module --with-http_stub_status_module
--with-http_realip_module --with-http_addition_module
--with-http_auth_request_module --with-http_secure_link_module
--with-http_random_index_module --with-http_gzip_static_module
--with-http_sub_module --with-http_dav_module --with-http_flv_module
--with-http_mp4_module --with-http_gunzip_module --with-threads --with-compat
--with-stream --with-http_ssl_module
```
- etcd version, if relevant (run `curl
http://127.0.0.1:9090/v1/server_info`): `3.5.9`
- APISIX Dashboard version, if relevant: `3.0.1`
- Plugin runner version, for issues related to plugin runners:
- LuaRocks version, for installation issues (run `luarocks --version`):
```
/usr/local/bin/luarocks 3.8.0
LuaRocks main command-line interface
```
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