centos6.4 apache并发上不去 出现Connection timed out
系统 Centos6.4 64bit 2个双核16线程16G内存
apache2.2 php5.3
apache 并发修改
StartServers 20
MinSpareServers 20
MaxSpareServers 50
ServerLimit 10000
MaxClients 10000
内核优化
fs.file-max = 1048576
net.ipv4.ip_forward = 0
net.ipv4.tcp_syncookies = 1
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_tw_recycle = 1
net.ipv4.ip_local_port_range = 1024 65000
net.ipv4.tcp_max_syn_backlog = 8192
net.ipv4.tcp_max_tw_buckets = 12000
net.ipv4.tcp_max_syn_backlog = 65536
net.core.netdev_max_backlog =32768
net.core.somaxconn = 32768
net.core.wmem_default = 8388608
net.core.rmem_default = 8388608
net.core.rmem_max = 16777216
net.core.wmem_max = 16777216
net.ipv4.tcp_timestamps = 0
net.ipv4.tcp_synack_retries = 2
net.ipv4.tcp_syn_retries = 2
net.ipv4.tcp_tw_recycle = 1
net.ipv4.tcp_tw_reuse = 1
net.ipv4.tcp_mem = 94500000 915000000 927000000
net.ipv4.tcp_max_orphans = 3276800
文件 进程数
# End of file
* soft nofile 60000
* hard nofile 65535
* soft nproc 65535
* hard nproc 65535
pr_socket_recv: Connection timed out (110)
apr_socket_recv: Connection timed out (110)
apr_socket_recv: Connection timed out (110)
apr_socket_recv: Connection timed out (110)
apr_socket_recv: Connection timed out (110)
apr_socket_recv: Connection timed out (110)
Completed 5000 requests
Finished 5000 requests
修改过源码的ab 在局域网的另一台机器上测试 （测试机同样优化了）
../ab/ab-standalone/ab -c 1500 -n 5000 http://www.cnintest.com/
Server Software: Apache/2.2.15
Server Hostname: www.cnintest.com
Server Port: 80
Document Path: /
Document Length: 16169 bytes
Concurrency Level: 1500
Time taken for tests: 14.532 seconds
Complete requests: 5000
Failed requests: 2739
(Connect: 0, Receive: 913, Length: 913, Exceptions: 913)
Write errors: 0
Total transferred: 67521955 bytes
HTML transferred: 66147379 bytes
Requests per second: 344.07 [#/sec] (mean)
Time per request: 4359.523 (mean)
Time per request: 2.906 (mean, across all concurrent requests)
Transfer rate: 4537.61 received
并发数上不去出现 Connection timed out
改nginx + php-fpm 情况也一样（可能我配置不熟）
请教各位大神。。
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