I found there is a meory leack issue when I used this on our production env.
serverlist_service url=http://anther-server/upstream/ conf_dump_dir=/data/temp/dump interval=5s timeout=2s;
When call serverlist_service in upstream, nginx memory will increasing up to almost 100%,
serverlist apiServerList;
server fake_server down;
include /data/temp/apiServerList.conf*;
nginx version: openresty/1.15.8.2
built by gcc 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.11)
built with OpenSSL 1.1.1d 10 Sep 2019
TLS SNI support enabled
configure arguments: --prefix=/data/server/openresty/nginx --with-cc-opt=-O2 --add-module=../ngx_devel_kit-0.3.1rc1 --add-module=../echo-nginx-module-0.61 --add-module=../xss-nginx-module-0.06 --add-module=../ngx_coolkit-0.2 --add-module=../set-misc-nginx-module-0.32 --add-module=../form-input-nginx-module-0.12 --add-module=../encrypted-session-nginx-module-0.08 --add-module=../srcache-nginx-module-0.31 --add-module=../ngx_lua-0.10.15 --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-0.3.7 --add-module=../rds-json-nginx-module-0.15 --add-module=../rds-csv-nginx-module-0.09 --add-module=../ngx_stream_lua-0.0.7 --with-ld-opt=-Wl,-rpath,/data/server/openresty/luajit/lib --pid-path=/data/server/openresty/nginx/var/nginx.pid --http-client-body-temp-path=/data/server/openresty/nginx/temp/client_body_temp --http-proxy-temp-path=/data/server/openresty/nginx/temp/proxy_temp --http-fastcgi-temp-path=/data/server/openresty/nginx/temp/fastcgi_temp --http-uwsgi-temp-path=/data/server/openresty/nginx/temp/uwsgi_temp --http-scgi-temp-path=/data/server/openresty/nginx/temp/scgi_temp --with-poll_module --with-threads --with-file-aio --with-http_v2_module --with-http_realip_module --with-http_addition_module --with-http_xslt_module --with-http_xslt_module=dynamic --with-http_image_filter_module --with-http_image_filter_module=dynamic --with-http_geoip_module --with-http_geoip_module=dynamic --with-http_sub_module --with-http_dav_module --with-http_flv_module --with-http_mp4_module --with-http_gunzip_module --with-http_gzip_static_module --with-http_auth_request_module --with-http_random_index_module --with-http_secure_link_module --with-http_degradation_module --with-http_slice_module --with-http_stub_status_module --with-mail=dynamic --with-mail_ssl_module --with-stream --with-stream=dynamic --with-stream_ssl_module --with-stream_realip_module --with-stream_geoip_module --with-stream_geoip_module=dynamic --with-stream_ssl_preread_module --with-pcre=/data/src/pcre-8.43 --with-zlib=/data/src/zlib-1.2.11 --with-openssl=/data/src/openssl-1.1.1d --add-module=/data/src/nginx-module-vts --add-module=/data/src/nginx-upstream-serverlist --with-stream --with-stream_ssl_preread_module --with-http_ssl_module