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connection timeout on download server

August 06, 2015 09:44PM
Hi
I have an nginx setup on multiple download servers. I've setup a monitor server to check my servers at interval and when the servers seem to be at their peak I get connection timeout from my servers. I've set limit_conn 64 for each remote_ip
to make sure one user can't hog the server.
today when I was receiving the timeout warnings, I checked the stub status of my server and it seems the server connection is nowhere near it's limits.
This is the stub status page:
Server 1:
Active connections: 764
server accepts handled requests
326451 326451 346395
Reading: 0 Writing: 604 Waiting: 160

Server 2:
Active connections: 426
server accepts handled requests
538407 538407 576918
Reading: 0 Writing: 418 Waiting: 8


However my config files are way too high:

worker_processes 1;
pid /run/nginx.pid;
worker_rlimit_nofile 90000;

events {
worker_connections 64000;
multi_accept on;
}
http{
#aio on; turned off for linux
upload_progress uploads 5m;
sendfile off;
output_buffers 1 1m;
directio 512;
tcp_nopush on;
tcp_nodelay on;
types_hash_max_size 2048;
server_tokens off;
server_names_hash_bucket_size 128;
variables_hash_max_size 1024;


}
server{
....
# limit perip
limit_rate_after 1m;
limit_rate 96k;
limit_conn perip 64;
}


nginx version: nginx/1.6.2
Linux s17 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt9-3~deb8u1 (2015-04-24) x86_64 GNU/Linux


Am I missing something? Is there another connection limitation I should know of?
Subject Author Posted

connection timeout on download server

mojiz August 06, 2015 09:44PM



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