用mysqlslap进行MySQL压力测试

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发布时间：2016-06-07 16:32:12

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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-print
DROP 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 0.49
Maximum resident set size 6100, Integral resident set size 0
Non-physical pagefaults 3165, Physical pagefaults 0, Swaps 0
Blocks in 0 out 0, Messages in 0 out 0, Signals 0
Voluntary 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

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# /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 9.12
Maximum resident set size 30764, Integral resident set size 0
Non-physical pagefaults 92471, Physical pagefaults 0, Swaps 0
Blocks in 0 out 0, Messages in 0 out 0, Signals 0
Voluntary 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 9.27
Maximum resident set size 33368, Integral resident set size 0
Non-physical pagefaults 89594, Physical pagefaults 0, Swaps 0
Blocks in 0 out 0, Messages in 0 out 0, Signals 0
Voluntary 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

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