这篇文章主要介绍MySQL 5.7 vs 8.0版本的性能有什么区别,文中介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们一定要看完!
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)
机器
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 ' 版本 CentOS Linux release 7.5.1804 (Core) 是否虚拟化 KVM cpu核数 4复制代码
myql5.7.22
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复制代码
mysql8.0.15
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复制代码
sysbench
sysbench -V sysbench 1.1.0 (using bundled LuaJIT 2.1.0-beta3)复制代码
在不同的持久化策略下(binlog, redo log持久化)mysql5.7和mysql8.0 在读写模式、只读模式、只写模式(oltp_read_write,oltp_read_only,oltp_write_only)下的性能表现
sysbench 测试时间为60s,测试的表数量为20
测试分别在双1模式(安全性)和0 2模式(高性能)下进行
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 | +--------------------------------+-------+
mysql5.7和mysql8.0 在读写模式下的表现
mysql5.7和mysql8.0 在只读模式下的表现
mysql5.7和mysql8.0 在只写模式下的表现
0 2 模式下
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 | +--------------------------------+-------+复制代码
mysql5.7和mysql8.0 在读写模式下的表现
mysql5.7和mysql8.0 在只读模式下的表现
mysql5.7和mysql8.0 在只写模式下的表现
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复制代码
使用脚本
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
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