help request: limit-req #11288
Comments
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By adding logs in/openresty/liulib/resty/limit/req.lua, the calculated elapsed has a complex number when the request is fast, After calculating the ABS function, Excess is 0
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When using OpenResty Limit Req, Set the rate to 200 Burst setting 1, after using WRK stress testing, I calculated that the number of 200 status entries in the access log is less than the rate （ see https://github.com/bingoohuang/blog/issues/209） lua_shared_dict my_limit_req_store 100m; server { } |
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Hi, any update ? I have the same problem where limit-req plugin in not working as intended and not able to block the request. |
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see https://github.com/openresty/lua-resty-limit-traffic/blob/master/lib/resty/limit/req.lua#L68C3-L68C4 @rahulracker7539 @dimon-v How many workers are running？ |
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it was silly mistake from my side, had add my plugin in the plugin section of configmap so it can install and load to the apisix instance. I was just doing from apisix dashboard which not able to install automatically . thanks |
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i config rate 3000 burst 1000, then use wrk -t 1200 -c 3000 test,the qps cannot limited ,the real qps is 20000qps |
Description
May I ask if the implementation principles of apisix limit req and nginx are the same? According to the official documentation, the leaky bucket algorithm is used. If the rate is 1000/s burst=0 nodelay, The number of access entries for nginx through access log grep 200 is less than the rate value, while apisix is much greater than the rate value
Referring to:
alibaba/tengine#855
https://github.com/openresty/lua-resty-limit-traffic/blob/master/lib/resty/limit/req.md
https://groups.google.com/g/openresty/c/VY-LdQaEyDA/m/skf86NDHAAAJ?pli=1
route
1、Using WRK testing
2、Confirm that the request has arrived at Apisix
3 Number of grep log entries
4.1 access
4.2、 error
Environment
APISIX version (run
apisix version): 3.2.2Operating system (run
uname -a): Linux nginx-gray02 3.10.0-1160.31.1.el7.x86_64 change: added doc of how to load plugin. #1 SMP Thu Jun 10 13:32:12 UTC 2021 x86_64 x86_64 x86_64 GNU/LinuxOpenResty / Nginx version (run
openresty -Vornginx -V):nginx version: openresty/1.21.4.2
built by gcc 9.3.1 20200408 (Red Hat 9.3.1-2) (GCC)
built with OpenSSL 1.1.1s 1 Nov 2022 (running with OpenSSL 1.1.1w 11 Sep 2023)
TLS SNI support enabled
configure arguments: --prefix=/usr/local/openresty/nginx --with-cc-opt='-O2 -DAPISIX_BASE_VER=1.21.4.2.2 -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-0.3.2 --add-module=../echo-nginx-module-0.63 --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-0.33 --add-module=../ngx_lua-0.10.25 --add-module=../ngx_lua_upstream-0.07 --add-module=../headers-more-nginx-module-0.34 --add-module=../array-var-nginx-module-0.06 --add-module=../memc-nginx-module-0.19 --add-module=../redis2-nginx-module-0.15 --add-module=../redis-nginx-module-0.3.9 --add-module=../ngx_stream_lua-0.0.13 --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.2MSCN59HKX/openresty-1.21.4.2/../mod_dubbo-1.0.2 --add-module=/tmp/tmp.2MSCN59HKX/openresty-1.21.4.2/../ngx_multi_upstream_module-1.1.1 --add-module=/tmp/tmp.2MSCN59HKX/openresty-1.21.4.2/../apisix-nginx-module-1.15.0 --add-module=/tmp/tmp.2MSCN59HKX/openresty-1.21.4.2/../apisix-nginx-module-1.15.0/src/stream --add-module=/tmp/tmp.2MSCN59HKX/openresty-1.21.4.2/../apisix-nginx-module-1.15.0/src/meta --add-module=/tmp/tmp.2MSCN59HKX/openresty-1.21.4.2/../wasm-nginx-module-0.6.5 --add-module=/tmp/tmp.2MSCN59HKX/openresty-1.21.4.2/../lua-var-nginx-module-v0.5.3 --add-module=/tmp/tmp.2MSCN59HKX/openresty-1.21.4.2/../grpc-client-nginx-module-v0.4.4 --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): {"id":"66356a45-bcc5-4a5a-9318-210342728ebd","boot_time":1716530994,"version":"3.2.2","etcd_version":"3.4.0","hostname":"nginx-gray02"}APISIX Dashboard version, if relevant:
Plugin runner version, for issues related to plugin runners:
LuaRocks version, for installation issues (run
luarocks --version):The text was updated successfully, but these errors were encountered: