测试mysql5.7和mysql8.0 分别在读写、只读、只写模式下不同并发时的性能(tps,qps)
`cat?/etc/redhat-release?|?xargs?echo?'版本?'?&&?dmidecode?-s?system-product-name?|?xargs?echo?'是否虚拟化?'?&&?cat?/proc/cpuinfo?|grep?"processor"|wc?-l?|?xargs?echo?'cpu核数?'`
`5.7.22-log`
`innodb_buffer_pool_size?128M`
`innodb_log_buffer_size??64M`
`innodb_log_file_size????48M`
`binlog_format???ROW`
`log_bin?ON`
`transaction_isolation???REPEATABLE-READ`
`8.0.15`
`innodb_buffer_pool_size?128M`
`innodb_log_buffer_size??64M`
`innodb_log_file_size????48M`
`binlog_format???ROW`
`log_bin?ON`
`transaction_isolation???REPEATABLE-READ`
`sysbench?-V`
`sysbench?1.1.0?(using?bundled?LuaJIT?2.1.0-beta3)`
双1模式
(安全性)和0 2模式
(高性能)下进行参数
任选值
意味着
sync\_binlog
0
binlog刷盘持久化由操作系统完成,性能好,存在丢失binlog的风险
sync\_binlog
1个
事务提交后刷盘持久化,最安全
sync\_binlog
?
在每N个事务提交后进行刷盘持久化
innodb\_flush\_log\_at\_trx\_commit
0
每秒钟写redo log并刷盘持久化
innodb\_flush\_log\_at\_trx\_commit
1个
事务提交后写redo log并刷盘持久化,最安全
innodb\_flush\_log\_at\_trx\_commit
2
事务提交后写redo log,两次刷盘持久化
`SHOW?GLOBAL??VARIABLES?WHERE?Variable_name?IN('sync_binlog','innodb_flush_log_at_trx_commit');`
`+--------------------------------+-------+`
`|?Variable_name??????????????????|?Value?|`
`+--------------------------------+-------+`
`|?innodb_flush_log_at_trx_commit?|?1?????|`
`|?sync_binlog????????????????????|?1???|`
`+--------------------------------+-------+`
双1 配置,读写模式下,mysql5.7.22 和mysql8.0.15 tps 、qps 性能差不多,mysql8.0.15 在120 线程并发时,性能出现了下降抖动
双1 配置,只读模式下,mysql5.7.22 的tps、qps比mysql8.0.15 好1/3 左右;并发线程数增加后,tps、qps并没有随着增加,反而出现了下降的趋势
双1 配置,只写模式下,随着并发数的上升,mysql5.7.22 的性能比mysql8.0.15 好1/4左右
`SHOW?GLOBAL??VARIABLES?WHERE?Variable_name?IN('sync_binlog','innodb_flush_log_at_trx_commit');`
`+--------------------------------+-------+`
`|?Variable_name??????????????????|?Value?|`
`+--------------------------------+-------+`
`|?innodb_flush_log_at_trx_commit?|?2?????|`
`|?sync_binlog????????????????????|?0???|`
`+--------------------------------+-------+`
0 2配置,读写模式下,并发数低时,mysql5.7.22性能好于mysql8.0.15; 并发数比较高时,mysql8.0.15 性能好于mysql5.7.22;在80 线程的并发以上时,性能开始下降
0 2配置,只读模式下,mysql5.7.22性能比mysql8.0.15 好1/3左右;随着并发数的上升,性能也没有上升,反而有下降的趋势
0 2 配置,只写模式下,mysql5.7.22的tps 抖动比较大;mysql5.7.22 的qps比mysql8.0.15好1/3左右
sysbench 需要设置--db-ps-mode=disable 禁用预编译语句,不然并发测试线程多时会报下面的错误
`FATAL:?mysql_stmt_prepare()?failed`
`FATAL:?MySQL?error:?1461?"Can't?create?more?than?max_prepared_stmt_count?statements?(current?value:?16382)"`
`FATAL:?mysql_stmt_prepare()?failed`
`FATAL:?MySQL?error:?1461?"Can't?create?more?than?max_prepared_stmt_count?statements?(current?value:?16382)"`
`FATAL:`
`thread_init'?function?failed:?/usr/local/share/sysbench/oltp_common.lua:288:?SQL?API?error?FATAL:?mysql_stmt_prepare()?failed?FATAL:?MySQL?error:?1461?"Can't?create?more?than?max_prepared_stmt_count?statements?(current?value:?16382)"`
`FATAL:thread_init'?function?failed:?/usr/local/share/sysbench/oltp_common.lua:288:?SQL?API?error`
`FATAL:?mysql_stmt_prepare()?failed`
`cat?sysbench_test_mysql5.7_8.0_tps_qps.sh`
`#!/bin/bash`
`#用于sysbench?测试在读写模式、只读模式、只写模式下?mysql5.7和mysql8.0?的tps,qps`
`#nohup?bash?$0?>/tmp/sysbench_test?2>&?1?&`
`#`
`user=admin`
`passwd=admin`
`ports="8015?57222"`
`host=127.0.0.1`
`sysbench_test_mode="oltp_read_write?oltp_read_only?oltp_write_only"`
`sysbench_test_info_path=/tmp/sysbench-test`
`function?red_echo?()?{`
`local?what="$*"`
`echo?-e?"$(date?+%F-%T)?\e[1;31m?${what}?\e[0m"`
`}`
`function?check_las_comm(){`
`if?[?$1?-ne?0?];then`
`red_echo?$2`
`exit?1`
`fi`
`}`
`function??restart_mysqld(){`
`service?mysqld${1}?restart`
`sleep?2`
`}`
`function??purge_binlog(){`
`port=$1`
`mysql?-u$user?-p$passwd?-P$port?-h$host<<EOF`
`purge?binary?logs?before?now();`
`EOF`
`}`
`function?clean_os_cache(){`
`echo?3?>?/proc/sys/vm/drop_caches`
`}`
`function??sysbench_with_diff_thread(){`
`thread_num=$1`
`port=$2`
`order=$3`
`test_mode=$4`
`sysbench?/usr/local/share/sysbench/${test_mode}.lua?--mysql_storage_engine=innodb??--table-size=100000?--tables=20?--mysql-db=test_1?--mysql-user=$user?--mysql-password=$passwd?--mysql-port=$port??--mysql-host=$host?--threads=$thread_num??--time=60?--report-interval=2?--db-ps-mode=disable?--events=0?--db-driver=mysql?$order`
`}`
`function??main(){`
`for?test_mode?in?$sysbench_test_mode;do`
`for?port?in?$ports;do`
`for?thread_num?in?{5,10,20,30,40,80,120,200};do`
`restart_mysqld?"$port"`
`check_las_comm??"$?"?"restart?mysqld${port}?failed?"`
`clean_os_cache`
`purge_binlog?"$port"`
`red_echo?"sysbench?$thread_num??threads?cleanup?mysqld${port}"`
`sysbench_with_diff_thread?"$thread_num"?"$port"?"cleanup"?"$test_mode">/dev/null`
`red_echo?"sysbench?$thread_num??threads?prepare?mysqld${port}"`
`sysbench_with_diff_thread?"$thread_num"?"$port"?"prepare"?"$test_mode">/dev/null`
`mkdir?-p?$sysbench_test_info_path`
`red_echo?"sysbench?$thread_num??threads?run?mysqld${port}?$test_mode"`
`sysbench_with_diff_thread?"$thread_num"?"$port"?"run"?"$test_mode"?>?$sysbench_test_info_path/${test_mode}_${thread_num}_$port`
`#?service?mysqld{port}?stop`
`done`
`done`
`done`
`}`
`main`
源于:cnblogs.com/YangJiaXin
在经典配色中,可能每个人都不会否认黑白灰的永恒魅力。虽然人们总是想outstandi...
前言 当页面的html结构嵌套的盒子很多的时候,可能会导致一个页面中含有多个垂直...
png透明 AlphaImageLoader filter:progid:DXImageTransform.Microsoft.AlphaImag...
先来看一下效果,这在CSS3之前,完全是不可想象的,只有图片才能做的到,但在HTM...
简介 Amaze UI 是一个针对 HTML 5 开发的轻量级、模块化、移动优先的跨屏前端框...
一、少用偏门。 类似break-word断行,z-index手动分层,还有像垂直对齐等等这些...
recorder.js microphone基于HTML5的录音功能,输出格式为mp3文件。 前言 完全依...
如上图,padding值是复合属性按照顺时针(上右下做)顺序,其中padding的内边距影响...
1.什么是母校?就是那个你一天骂他八遍却不许别人骂的地方。 2.拍毕业照三秒的...
接口和类型别名非常相似,在大多情况下二者可以互换。在写TS的时候,想必大家都...