I’m guessing that you have script that keeps executing curl. What you can do is use curl -K ./fileWithListOfUrls.txt and the one curl process will visit each url in turn reusing the socket (aka HTTP keep alive)
That said, curl isn’t a great workload simulator and, in the long time, you can get better results from something like wrk2 > On 27 Apr 2018, at 11:32 AM, mohan prakash via nginx <nginx@nginx.org> wrote: > > Hi Liu > > Client side I have increased the file descriptor value to 10000 , but still > the same issue . > > Also increased the FD in server side also then also same issue continuous. > > > Followed below link to increase the FD limit. > > Linux Increase The Maximum Number Of Open Files / File Descriptors (FD) - > nixCraft > <https://www.cyberciti.biz/faq/linux-increase-the-maximum-number-of-open-files/> > > > Linux Increase The Maximum Number Of Open Files / File Descriptors (FD) ... > How do I increase the maximum number of open files under CentOS Linux? How do > I open more file descriptors under... > > <https://www.cyberciti.biz/faq/linux-increase-the-maximum-number-of-open-files/> > > > > > Regards > Mohanaprakash T > > > On Friday 27 April 2018, 7:06:51 PM IST, Liu Lantao <liulan...@gmail.com> > wrote: > > > It seems like your client has reach the limit of max open files. > > From the shell where you start you client program, run ‘ulimit -a’ to check > the settings. > You can also check the files open by your client in /proc/<pid>/fd/. > > Increase that value is simple, you can change is temporarily or save to > config file, > there are tons of documents online about how to change it. > On Fri, Apr 27, 2018 at 9:09 PM mohan prakash via nginx <nginx@nginx.org > <mailto:nginx@nginx.org>> wrote: > Hi Team > > I am trying execute ~1000 curl request from my CentOS machine to my nginx > server in ~5 sec. > The same exercise continuous every ~5sec. > > I am using libcurl to make the HTTP request. > > During this process i see most of my request are failed with reason > > Failure Curl Error Code[ 7 ] Reason[ Couldn't connect to server ] > > Can someone suggest whether i am missing any configuration info in my nginx > server. Below is my nginx server configuration > > user nginx; > worker_processes auto; > error_log /var/log/nginx/error.log; > pid /run/nginx.pid; > > # Load dynamic modules. See /usr/share/nginx/README.dynamic. > include /usr/share/nginx/modules/*.conf; > > > worker_rlimit_nofile 262144; > > events { > worker_connections 16384; > } > > http { > log_format main '$remote_addr - $remote_user [$time_local] "$request" ' > '$status $body_bytes_sent "$http_referer" ' > '"$http_user_agent" "$http_x_forwarded_for"'; > > access_log /var/log/nginx/access.log main; > > sendfile on; > tcp_nopush on; > tcp_nodelay on; > keepalive_timeout 65; > types_hash_max_size 2048; > > include /etc/nginx/mime.types; > default_type application/octet-stream; > > # Load modular configuration files from the /etc/nginx/conf.d directory. > # See http://nginx.org/en/docs/ngx_core_module.html#include > <http://nginx.org/en/docs/ngx_core_module.html#include> > # for more information. > include /etc/nginx/conf.d/*.conf; > > limit_conn_zone $binary_remote_addr zone=perip:10m; > limit_conn_zone $server_name zone=perserver:10m; > > server { > limit_conn perip 2000; > limit_conn perserver 20000; > listen *:8080 backlog=16384; > } > } > > Regards > Mohanaprakash T > _______________________________________________ > nginx mailing list > nginx@nginx.org <mailto:nginx@nginx.org> > http://mailman.nginx.org/mailman/listinfo/nginx > <http://mailman.nginx.org/mailman/listinfo/nginx>_______________________________________________ > nginx mailing list > nginx@nginx.org > http://mailman.nginx.org/mailman/listinfo/nginx
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