Re: Вопрос по производительности.

[BieZax]

Поэксперементировал  еще  немного, но  пока    не получается понять,  где
затык.  Конфиг   nginx:
user			www  www;
worker_processes	auto;
worker_rlimit_nofile 	200000;
error_log		/var/log/nginx/nginx-error_log warn;



events {
	worker_connections	8192;
	use			kqueue;
	multi_accept on;
}


http {
	access_log			off;

	include				mime.types;
	include				win-utf;
	default_type			application/octet-stream;


	log_format inc
'$host;$remote_addr;$status;$upstream_response_time;$upstream_addr;$upstream_status;$http_x_forwarded_for;$time_local;$request;$http_user_agent';

	sendfile			on;
	tcp_nopush			on;
	tcp_nodelay			on;
	sendfile_max_chunk		32m;
	reset_timedout_connection	on;

	client_header_buffer_size	16k;
	large_client_header_buffers	4 8k;
	client_max_body_size		5m;
	client_body_buffer_size		128k;

	variables_hash_max_size		1024;
	server_names_hash_bucket_size	256;

	keepalive_timeout		15;
	client_body_timeout		10s;
	client_header_timeout		10s;
	lingering_time			10s;
	send_timeout			10s;
	
	#gzip
	gzip				on;
	gzip_min_length			2048;
	gzip_comp_level			4;
	gzip_http_version		1.0;
	gzip_proxied			any;
	gzip_buffers			32 64k;
	gzip_types			text/plain text/xml text/css text/javascript application/xml
application/x-javascript  application/atom+xml application/xaml+xml
application/rtf application/json;
	gzip_vary			off;


	open_file_cache			max=30000 inactive=60s;
	open_file_cache_valid		60s;
	open_file_cache_min_uses	2;
	open_file_cache_errors		on;

	#Proxy
	proxy_buffers			512 8k;
	proxy_buffer_size		64k;
	output_buffers			32 512k;

	proxy_send_timeout		180;
	proxy_read_timeout		180;
}
Sysctl:
security.bsd.see_other_uids=0
kern.ipc.maxsockets=204800
kern.ipc.nmbclusters=262144
kern.ipc.shm_use_phys=1
kern.ipc.somaxconn=4096
kern.maxfiles=204800
kern.maxfilesperproc=200000
kern.maxvnodes=256000
kern.random.sys.harvest.ethernet=0
kern.random.sys.harvest.interrupt=0
kern.sync_on_panic=1
net.inet.icmp.bmcastecho=0
net.inet.icmp.drop_redirect=1
net.inet.icmp.maskrepl=0
net.inet.ip.intr_queue_maxlen=256
net.inet.ip.maxfragpackets=1024
net.inet.ip.portrange.first=1024
net.inet.ip.portrange.last=65535
net.inet.ip.portrange.randomized=0
net.inet.ip.redirect=0
net.inet.ip.sourceroute=0
net.inet.ip.accept_sourceroute=0
net.inet.tcp.blackhole=2
net.inet.tcp.drop_synfin=1
net.inet.tcp.fast_finwait2_recycle=1
net.inet.tcp.finwait2_timeout=3000
net.inet.tcp.hostcache.expire=1200
net.inet.tcp.keepinit=5000
net.inet.tcp.maxtcptw=65536
net.inet.tcp.msl=5000
net.inet.tcp.recvbuf_auto=0
net.inet.tcp.recvspace=65536
net.inet.tcp.sendbuf_auto=0
net.inet.tcp.sendspace=131072
net.inet.tcp.syncookies=1
net.inet.tcp.tso=0
net.inet.udp.blackhole=1
net.inet.udp.recvspace=32768
net.isr.direct=1
net.route.netisr_maxqlen=1024
vfs.ufs.dirhash_maxmem=100000000

loader.conf:
kern.ipc.nmbclusters=0
net.inet.tcp.reass.maxsegments=2048
vm.pmap.shpgperproc=400
hw.em.rxd=4096
hw.em.txd=4096
hw.em.rx_int_delay=100
hw.em.tx_int_delay=100
hw.em.rx_abs_int_delay=1000
hw.em.tx_abs_int_delay=1000
dev.em.rx_processing_limit=-1
net.inet.tcp.hostcache.hashsize=4096
net.inet.tcp.hostcache.bucketlimit=100
net.inet.tcp.hostcache.cachelimit=65536
net.inet.tcp.syncache.hashsize=1024
net.inet.tcp.syncache.bucketlimit=100
net.inet.tcp.syncache.cachelimit=65536
net.inet.tcp.tcbhashsize=4096
net.isr.defaultqlimit=4096
net.isr.bindthreads=1
net.isr.maxthreads=8
net.link.ifqmaxlen=1024

Сократил  размер файла  до 1  Кб 
LA ~5  при  16  ядрах
IO   в порядке,   загрузка сети  около 130 мегабит/c

Posted at Nginx Forum: http://forum.nginx.org/read.php?21,259544,259693#msg-259693