mysql从5.1.4版开始带有一个压力测试工具mysqlslap，通过模拟多个并发客户端访问mysql来执行测试，使用起来非常的简单。通过mysqlslap help可以获得可用的选项，这里列一些主要的参数，更详细的说明参考官方手册。 --auto-generate-sql, -a自动生成测试表和
mysql从5.1.4版开始带有一个压力测试工具mysqlslap，通过模拟多个并发客户端访问mysql来执行测试，使用起来非常的简单。通过mysqlslap –help可以获得可用的选项，这里列一些主要的参数，更详细的说明参考官方手册。
--auto-generate-sql, -a自动生成测试表和数据 --auto-generate-sql-load-type=type测试语句的类型。取值包括：read，key，write，update和mixed(默认)。 --number-char-cols=n, -x n自动生成的测试表中包含多少个字符类型的列，默认1 --number-int-cols=n, -y n自动生成的测试表中包含多少个数字类型的列，默认1 --number-of-queries=n总的测试查询次数(并发客户数×每客户查询次数) --query=name,-q使用自定义脚本执行测试，例如可以调用自定义的一个存储过程或者sql语句来执行测试。 --create-schema测试的schema，mysql中schema也就是database --commint=n多少条dml后提交一次 --compress, -c如果服务器和客户端支持都压缩，则压缩信息传递 --concurrency=n, -c n并发量，也就是模拟多少个客户端同时执行select。可指定多个值，以逗号或者–delimiter参数指定的值做为分隔符 --engine=engine_name, -e engine_name创建测试表所使用的存储引擎，可指定多个，用分隔符隔开。 --iterations=n, -i n测试执行的迭代次数 --detach=n执行n条语句后断开重连 --debug-info, -t打印内存和cpu的信息 --only-print只打印测试语句而不实际执行 --defaults-file配置文件存放位置 --socket＝name,-s指定socket文件位置
一些实例
用自动生成的测试数据进行测试，且只打印实际的测试过程。
# /usr/local/webserver/mysql/bin/mysqlslap -a --only-printdrop schema if exists `mysqlslap`;create schema `mysqlslap`;use mysqlslap;create table `t1` (intcol1 int(32) ,charcol1 varchar(128));insert into t1 values (1804289383,'mxvtvmc9127qjnm06sgb8r92q2j7vtiiitrdgxm9zlzkdekbwtmxkwz2qg1llkrw5m9dhofilerek3q7oce8o3bejc0wojsm6uzfaeynlh2xcsw1kq1lt4zg9rdxbl');insert into t1 values (822890675,'97rghz65mnzksryt3zwosbg9cnepqr1bzsk81qdge4oanw3rnpfgsbhsbnu1evtdfde83ro9w4jjteqg4yoo9xhck3wnqzs54w5zem92ikdrf48b2oz3m8gmbal11w');......insert into t1 values (100669,'qnmdipw5kkxdtjgch2pnzloer0527frpqdq8uw67ydk1k06uunhtkxybxt5w8plb2bbpzhwybgpnyx9rmicwgkzd6faesvhmzh3yqzmtxoh4bqnylbk1cmeipgylc6');select intcol1,charcol1 from t1;insert into t1 values (73673339,'bn3152gza4gw7atxjkacywjqdbfynlxqc0kh30ytwgz3fktq43xtrqj4pq25frn7kxhfxd8ruzn1j8rf3y8ugky6es3ibqpjm6ylcyd6xs7ycqcfhkzxynvb7ytahm');drop schema if exists `mysqlslap`;
分别100和200个并发，执行1000次总查询
$mysqlslap -a --concurrency=50,100 --number-of-queries 1000 --debug-info # /usr/local/webserver/mysql/bin/mysqlslap -a --concurrency=100,200 --number-of-queries 1000 --debug-info benchmark average number of seconds to run all queries: 0.232 seconds minimum number of seconds to run all queries: 0.232 seconds maximum number of seconds to run all queries: 0.232 seconds number of clients running queries: 100 average number of queries per client: 10 benchmark average number of seconds to run all queries: 0.268 seconds minimum number of seconds to run all queries: 0.268 seconds maximum number of seconds to run all queries: 0.268 seconds number of clients running queries: 200 average number of queries per client: 5  user time 0.02, system time 0.49maximum resident set size 6100, integral resident set size 0non-physical pagefaults 3165, physical pagefaults 0, swaps 0blocks in 0 out 0, messages in 0 out 0, signals 0voluntary context switches 3102, involuntary context switches 7541
分别200和400个并发，执行2000次总查询并迭代8次
# /usr/local/webserver/mysql/bin/mysqlslap -a --concurrency=200,400 --number-of-queries 2000 --iterations=8 --debug-info benchmark average number of seconds to run all queries: 0.657 seconds minimum number of seconds to run all queries: 0.603 seconds maximum number of seconds to run all queries: 0.736 seconds number of clients running queries: 200 average number of queries per client: 10 benchmark average number of seconds to run all queries: 0.711 seconds minimum number of seconds to run all queries: 0.648 seconds maximum number of seconds to run all queries: 0.860 seconds number of clients running queries: 400 average number of queries per client: 5  user time 0.58, system time 9.12maximum resident set size 30764, integral resident set size 0non-physical pagefaults 92471, physical pagefaults 0, swaps 0blocks in 0 out 0, messages in 0 out 0, signals 0voluntary context switches 99629, involuntary context switches 157741
同时测试不同的存储引擎
# /usr/local/webserver/mysql/bin/mysqlslap -a --concurrency=200,400 --number-of-queries 2000 --iterations=8 　--engine=myisam,innodb --debug-info benchmark average number of seconds to run all queries: 0.740 seconds minimum number of seconds to run all queries: 0.678 seconds maximum number of seconds to run all queries: 0.827 seconds number of clients running queries: 200 average number of queries per client: 10 benchmark average number of seconds to run all queries: 0.696 seconds minimum number of seconds to run all queries: 0.661 seconds maximum number of seconds to run all queries: 0.775 seconds number of clients running queries: 400 average number of queries per client: 5  user time 0.62, system time 9.27maximum resident set size 33368, integral resident set size 0non-physical pagefaults 89594, physical pagefaults 0, swaps 0blocks in 0 out 0, messages in 0 out 0, signals 0voluntary context switches 98328, involuntary context switches 153787
指定数据库的测试
# /usr/local/webserver/mysql/bin/mysqlslap --concurrency=500 --iterations=8 --create-schema=test --query=/root/test.sql benchmark average number of seconds to run all queries: 0.343 seconds minimum number of seconds to run all queries: 0.283 seconds maximum number of seconds to run all queries: 0.525 seconds number of clients running queries: 500 average number of queries per client: 1
原文地址：用mysqlslap进行mysql压力测试, 感谢原作者分享。