ddos stress test

Installation $ sudo apt install siege Siege Command Common parameters -c 200 指定并发数200-r 5 指定测试的次数5-f urls.txt 制定url的文件-i internet系统，随机发送url-b 请求无需等待 delay=0-t 5 持续测试5分钟# -r和-t一般不同时使用 Several commonly used sub- # 模拟10秒内每秒访问20次$ sudo siege http://web.meilapp.com/products -c20 -t10s# 200个并发对http://www.google.com发送请求100次$ siege -c 200 -r 100 http://www.google.com# 在urls.txt中列出所有的网址$ siege -c 200 -r 100 -f urls.txt# 随机选取urls.txt中列出所有的网址$ siege -c 200 -r 100 -f urls.tx

Common web stress test structure Two, thousands of people pressure Baidu and Google 1. Thread Group: Set the number of pressure 2.forEach Logical unit: Traverse the URL that you want to visit, the general multiple URLs will use 3. User-defined variables: Accessing multiple URLs using variables to represent 4.http Request: Specific requests sent from the client to the server 5. Aggregation report: Run

Gaps in auto-increment values for "bulk inserts" innodb_autoinc_lock_modewith set to 0 ("traditional") or 1 ("consecutive"), the auto-increment values generated by any given statement would Be consecutive, without gaps, because the Table-level AUTO-INC lock are held until the end of the statement, and only one such Statement can execute at a time.innodb_autoinc_lock_modewith Set to 2 ("interleaved"), there is gaps in the auto-increment values generated by "bulk inserts," and only If there i