背景
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)
前提
环境
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
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
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
sysbench
- sysbench -V
- sysbench 1.1.0 (using bundled LuaJIT 2.1.0-beta3)
测试
双1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 | 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 |
- +--------------------------------+-------+
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
结论
注意
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
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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