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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                參考:https://learnku.com/articles/4765/simple-primary-stress-test [TOC] ### 1.安裝壓測工具 ``` yum install httpd-tools #安裝完就可以使用壓測命令 ab ``` ### 2.壓測 ``` ab -c 4000 -n 100000 http://tasks.io/ ``` 出現如下異常: ``` # Benchmarking tasks.io (be patient) # socket: Too many open files (24) ``` 打開文件過多,使用 `ulimit -n 204800 ` ``` # Benchmarking tasks.io (be patient) # apr_socket_recv: Connection reset by peer (104) ``` 高并發下,會被系統認為是攻擊 ``` > vim /etc/sysctl.conf net.ipv4.tcp\_syncookies = 0 > sysctl -p ```
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