apache最大压力测试

服务器：

地址：10.3.6.70，端口：80

CPU：Intel Xeon E312xx (SandyBridge)（四核，单核频率1999.999MHz）

内存：8G

硬盘：80G

系统：CentOS release 6.4 (Final)，Linux 2.6.32-358.el6.x86_64

测试机：

CPU：Intel(R) Core(TM) i5-3470 CPU@ 3.20GHz

内存：8G

硬盘：500G

系统：Windows 7 Professional ServicePack 1，64位

测试工具：Apache JMeter Version 2.11r1554548

服务器参数调整：

sysctl.conf：

# Controls IP packet forwardingnet.ipv4.ip_forward = 0# Controls source route verificationnet.ipv4.conf.default.rp_filter = 1# Do not accept source routingnet.ipv4.conf.default.accept_source_route = 0# Controls the System Request debugging functionality of the kernelkernel.sysrq = 0# Controls whether core dumps will append the PID to the core filename.# Useful for debugging multi-threaded applications.kernel.core_uses_pid = 1# Controls the use of TCP syncookiesnet.ipv4.tcp_syncookies = 1# Disable netfilter on bridges.net.bridge.bridge-nf-call-ip6tables = 0net.bridge.bridge-nf-call-iptables = 0net.bridge.bridge-nf-call-arptables = 0# Controls the default maxmimum size of a mesage queuekernel.msgmnb = 65536# Controls the maximum size of a message, in byteskernel.msgmax = 65536# Controls the maximum shared segment size, in byteskernel.shmmax = 68719476736# Controls the maximum number of shared memory segments, in pageskernel.shmall = 4294967296net.ipv4.tcp_syncookies = 1net.ipv4.tcp_tw_reuse = 1net.ipv4.tcp_tw_recycle = 1net.ipv4.tcp_fin_timeout = 30net.ipv4.ip_local_port_range = 1024 65535net.ipv4.tcp_max_syn_backlog = 65535net.ipv4.tcp_max_tw_buckets = 1000net.core.netdev_max_backlog = 65535net.ipv4.tcp_keepalive_time = 1200net.core.somaxconn = 32768

/etc/security/limits.conf：

* soft noproc 20480* hard noproc 20480* soft nofile 10240* hard nofile 20480

/etc/pam.d/login：

session required /lib/security/pam_limits.so

~/.bash_profile：

ulimit -u 10000ulimit -n 4000

/etc/httpd/conf/httpd.conf：

## Timeout: The number of seconds before receives and sends time out.#Timeout 60## KeepAlive: Whether or not to allow persistent connections (more than# one request per connection). Set to "Off" to deactivate.#KeepAlive on## MaxKeepAliveRequests: The maximum number of requests to allow# during a persistent connection. Set to 0 to allow an unlimited amount.# We recommend you leave this number high, for maximum performance.#MaxKeepAliveRequests 100000## KeepAliveTimeout: Number of seconds to wait for the next request from the# same client on the same connection.#KeepAliveTimeout 8<IfModule prefork.c>StartServers       8MinSpareServers    5MaxSpareServers   20#ServerLimit      256ServerLimit      10240#MaxClients       256MaxClients       10240#MaxRequestsPerChild  4000MaxRequestsPerChild  10240</IfModule>

测试内容：

直接访问apache首页（根路径）（5196 bytes）。

并发线程数：10000

ramp-up period：180 sec

测试结果：

聚合报告：

服务器CPU和内存：

服务器httpd最大进程数：6240，总进程数：6400，80端口最大连接数：8300