数据库压测工具Sysbench-0.4.12安装

素颜马尾好姑娘i 2023-06-08 03:22 30阅读 0赞

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> 最近公司准备去oracle，迁移到mysql集群。分布式数据库中间件我们技术选型选择了mycat。这无疑前期的准备工作需要做好，在运维同学的帮助下，集群已经搭建好，接下来我们任务就是压测。这篇文章简单记录我所选择的压测工具Sysbench的安装和使用。

## sysbench 简介 ##

> Sysbench是一个模块化的、跨平台、多线程基准测试工具，主要用于评估测试各种不同系统参数下的数据库负载情况。它主要包括以下几种方式的测试：cpu性能，磁盘io性能，线程调度性能，内存分配及传输速度和数据库性能。由于本人是dba，因此重点关注sysbench测试数据库的场景。目前sysbench支持mysql，postgreSQL，oracle三种数据源。

## 测试环境 ##

系统：Centos-8

Sysbench：sysbench-0.4.12.10,下载地址：[https://github.com/akopytov/sysbench][https_github.com_akopytov_sysbench]

也可以直接点击下载: http://downloads.mysql.com/source/sysbench-0.4.12.10.tar.gz

## 安装步骤 ##

### sysbench的一些依赖安装 ###

yum -y install  make automake libtool pkgconfig libaio-devel vim-common
    如果没有安装mysql,则需要安装mysql-devel
    yum install mysql-devel

### 安装sysbench ###

1.  进入到sysbench源码目录

cd /data/sysbench/sysbench-0.4.12

1.  执行autogen.sh用它来生成configure这个文件

./autogen.sh

1.  执行configure && make && make install 来完成sysbench的安装

./configure --prefix=/wls/sysbench/ --build=x86_64 
    make && make install

注：如果不添加--build=x86\_64可能会提示如下错误：

checking build system type... Invalid configuration `x86_64-unknown-linux-': machine `x86_64-unknown-linux' not recognized
    
    configure: error: /bin/sh config/config.sub x86_64-unknown-linux- failed

## 验证是否安装成功 ##

[root@05823ea529b0 sysbench-1.0.15]# /wls/sysbench/bin/sysbench --version
    sysbench 0.4.12.10
    [root@05823ea529b0 sysbench-1.0.15]# ./sysbench --test=cpu run
    sysbench 0.4.12.10 (using bundled LuaJIT 2.1.0-beta2)
    
    Running the test with following options:
    Number of threads: 1
    Initializing random number generator from current time
    
    
    Prime numbers limit: 10000
    
    Initializing worker threads...
    
    Threads started!
    
    CPU speed:
        events per second:  1158.09
    
    General statistics:
        total time:                          10.0005s
        total number of events:              11583
    
    Latency (ms):
             min:                                    0.79
             avg:                                    0.86
             max:                                    1.92
             95th percentile:                        1.01
             sum:                                 9985.69
    
    Threads fairness:
        events (avg/stddev):           11583.0000/0.00
        execution time (avg/stddev):   9.9857/0.00

## sysbench 查看帮助 ##

Usage:
      sysbench [general-options]... --test=<test-name> [test-options]... command
    
    General options:
      --num-threads=N             number of threads to use [1]
      --max-requests=N            limit for total number of requests [10000]
      --max-time=N                limit for total execution time in seconds [0]
      --forced-shutdown=STRING    amount of time to wait after --max-time before forcing shutdown [off]
      --thread-stack-size=SIZE    size of stack per thread [32K]
      --init-rng=[on|off]         initialize random number generator [off]
      --seed-rng=N                seed for random number generator, ignored when 0 [0]
      --tx-rate=N                 target transaction rate (tps) [0]
      --tx-jitter=N               target transaction variation, in microseconds [0]
      --report-interval=N         periodically report intermediate statistics with a specified interval in seconds. 0 disables intermediate reports [0]
      --report-checkpoints=[LIST,...]dump full statistics and reset all counters at specified points in time. The argument is a list of comma-separated values representing the amount of time in seconds elapsed from start of test when report checkpoint(s) must be performed. Report checkpoints are off by default. []
      --test=STRING               test to run
      --debug=[on|off]            print more debugging info [off]
      --validate=[on|off]         perform validation checks where possible [off]
      --help=[on|off]             print help and exit
      --version=[on|off]          print version and exit
    
    Log options:
      --verbosity=N      verbosity level {5 - debug, 0 - only critical messages} [4]
    
      --percentile=N      percentile rank of query response times to count [95]
    
    Compiled-in tests:
      fileio - File I/O test
      cpu - CPU performance test
      memory - Memory functions speed test
      threads - Threads subsystem performance test
      mutex - Mutex performance test
      oltp - OLTP test
    
    Commands: prepare run cleanup help version
    
    See 'sysbench --test=<name> help' for a list of options for each test.

## sysbench 对数据库进行压力测试的过程 ##

*  prepare 阶段 这个阶段是用来做准备的、比较说建立好测试用的表、并向表中填充数据;
 *  run阶段 这个阶段是才是去跑压力测试的SQL;
 *  cleanup 阶段 这个阶段是去清除数据的、也就是prepare阶段初始化好的表要都drop掉;

## sysbench 中的测试类型大致可以分成内置的，lua脚本自定义的测试 ##

1.  内置: fileio 、cpu 、memory 、threads 、 mutex
2.  lua脚本自定义型：sysbench 自身内涵了一些测试脚本放在了安装目录下:

查看帮忙命令:
    [root@izwz909ewdz83smewux7a7z bin]# ./sysbench --help
    Usage:
      sysbench [general-options]... --test=<test-name> [test-options]... command
    
    General options:
      --num-threads=N             number of threads to use [1]
      --max-requests=N            limit for total number of requests [10000]
      --max-time=N                limit for total execution time in seconds [0]
      --forced-shutdown=STRING    amount of time to wait after --max-time before forcing shutdown [off]
      --thread-stack-size=SIZE    size of stack per thread [32K]
      --init-rng=[on|off]         initialize random number generator [off]
      --seed-rng=N                seed for random number generator, ignored when 0 [0]
      --tx-rate=N                 target transaction rate (tps) [0]
      --tx-jitter=N               target transaction variation, in microseconds [0]
      --report-interval=N         periodically report intermediate statistics with a specified interval in seconds. 0 disables intermediate reports [0]
      --report-checkpoints=[LIST,...]dump full statistics and reset all counters at specified points in time. The argument is a list of comma-separated values representing the amount of time in seconds elapsed from start of test when report checkpoint(s) must be performed. Report checkpoints are off by default. []
      --test=STRING               test to run
      --debug=[on|off]            print more debugging info [off]
      --validate=[on|off]         perform validation checks where possible [off]
      --help=[on|off]             print help and exit
      --version=[on|off]          print version and exit
    
    Log options:
      --verbosity=N      verbosity level {5 - debug, 0 - only critical messages} [4]
    
      --percentile=N      percentile rank of query response times to count [95]
    
    Compiled-in tests:
      fileio - File I/O test
      cpu - CPU performance test
      memory - Memory functions speed test
      threads - Threads subsystem performance test
      mutex - Mutex performance test
      oltp - OLTP test
    
    Commands: prepare run cleanup help version
    
    See 'sysbench --test=<name> help' for a list of options for each test.

## 通过sysbench自带的lua脚本对mysql进行测试 ##

1.  生成表文件

1.  多线程测试

[root@izwz909ewdz83smewux7a7z bin]# ./sysbench --test=oltp --oltp-table-size=100000 --mysql-db=sysbench --mysql-user=root --mysql-password='mydb' --mysql-host=localhost --mysql-port=3306 --db-driver=mysql --oltp-read-only=off --max-time=60 --num-threads=8 --report-interval=10 --oltp-dist-type=uniform --max-requests=0 --percentile=99 run
    sysbench 0.4.12.10:  multi-threaded system evaluation benchmark
    
    Running the test with following options:
    Number of threads: 8
    Report intermediate results every 10 second(s)
    Random number generator seed is 0 and will be ignored
    
    
    Doing OLTP test.
    Running mixed OLTP test
    Using Uniform distribution
    Using "BEGIN" for starting transactions
    Using auto_inc on the id column
    Using 1 test tables
    Threads started!
    [  10s] Intermediate results: 8 threads, tps: 582.994023, reads/s: 8233.315586, writes/s: 2940.469852 response time: 48.261058ms (99%)
    [  20s] Intermediate results: 8 threads, tps: 589.090480, reads/s: 8248.666697, writes/s: 2945.952392 response time: 35.829896ms (99%)
    [  30s] Intermediate results: 8 threads, tps: 487.603128, reads/s: 6829.243810, writes/s: 2439.015647 response time: 65.415122ms (99%)
    [  40s] Intermediate results: 8 threads, tps: 487.700557, reads/s: 6830.607800, writes/s: 2439.502786 response time: 78.027721ms (99%)
    [  50s] Intermediate results: 8 threads, tps: 478.852588, reads/s: 6703.936228, writes/s: 2394.262939 response time: 71.711459ms (99%)
    [  60s] Intermediate results: 8 threads, tps: 510.752034, reads/s: 7150.528473, writes/s: 2553.760169 response time: 43.136643ms (99%)
    Time limit exceeded, exiting...
    (last message repeated 7 times)
    Done.
    
    OLTP test statistics:
        queries performed:
            read:                            440076    读总数
            write:                           157170    写总数
            other:                           62812    他操作总数(SELECT、INSERT、UPDATE、DELETE之外的操作，例如COMMIT等)
            total:                           660058    总数
        transactions:                        31378  (522.91 per sec.)    总事务数(每秒事务数)
        deadlocks:                           56     (0.93 per sec.)    
        read/write requests:                 597246 (9953.02 per sec.)    读写总数(每秒读写次数)
        other operations:                    62812  (1046.75 per sec.)
    
    General statistics:
        total time:                          60.0065s    总耗时
        total number of events:              31378    共发生多少事务数
        total time taken by event execution: 479.8756    所有事务耗时相加(不考虑并行因素)
        response time:
             min:                                  3.77ms    最小耗时
             avg:                                 15.29ms    平均耗时
             max:                                180.78ms    最长耗时
             approx.  99 percentile:              58.12ms    超过99%平均耗时
    
    Threads fairness:
        events (avg/stddev):           3922.2500/6.02
        execution time (avg/stddev):   59.9845/0.00

1.  清理上面生成的测试表

[root@izwz909ewdz83smewux7a7z bin]# ./sysbench --test=oltp --oltp-num-tables=100000 --oltp-num-tables=10 --mysql-db=sysbench --mysql-user=root --mysql-password='mydb' --mysql-host=localhost --mysql-port=3306 --db-driver=mysql --init-rng=on cleanup
    sysbench 0.4.12.10:  multi-threaded system evaluation benchmark
    
    Dropping table 'sbtest'...
    Dropping table 'sbtest1'...
    Dropping table 'sbtest2'...
    Dropping table 'sbtest3'...
    Dropping table 'sbtest4'...
    Dropping table 'sbtest5'...
    Dropping table 'sbtest6'...
    Dropping table 'sbtest7'...
    Dropping table 'sbtest8'...
    Dropping table 'sbtest9'...
    Done.
    [root@izwz909ewdz83smewux7a7z bin]#

由于上面的命令都比较简单,相信大家都能看明白,有什么疑问也欢迎大家留言交流.

**可以对数据库进行调优后，再使用sysbench对OLTP进行测试，看看TPS是不是会有所提高。**

**注意：sysbench的测试只是基准测试，并不能代表实际企业环境下的性能指标。**

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