MariaDB 10之并行复制--延迟测试结果

测试参数：sysbench--test=/root/sysbench0.5/sysbench/tests/db/insert.lua--mysql-table-engine=innodb--oltp-table-size=1000000--max-requests=0--max-time=

测试参数：

sysbench  --test=/root/sysbench0.5/sysbench/tests/db/insert.lua  --mysql-table-engine=innodb --oltp-table-size=1000000  --max-requests=0 --max-time=300 --num-threads=16  --oltp-tables-count=10 --report-interval=10  --mysql-host=10.8.8.100 --mysql-port=3312 --mysql-user=admin  --mysql-password=123456  --mysql-db=test run

10张100万行表，并发16个线程，纯插入操作。

MySQL参数：

sync_binlog = 0 innodb_flush_log_at_trx_commit = 0 innodb_flush_method = O_DIRECT innodb_flush_neighbors = 1 innodb_buffer_pool_size = 10G innodb_io_capacity = 500 innodb_log_file_size = 512M innodb_log_files_in_group = 3 innodb_log_buffer_size = 16M

普通复制延迟：

              Master_Log_File: mysql-bin.000004           Read_Master_Log_Pos: 567748597                Relay_Log_File: host-100-relay-bin.000005                 Relay_Log_Pos: 66853042         Relay_Master_Log_File: mysql-bin.000003              Slave_IO_Running: Yes             Slave_SQL_Running: Yes               Replicate_Do_DB:            Replicate_Ignore_DB:             Replicate_Do_Table:         Replicate_Ignore_Table:        Replicate_Wild_Do_Table:    Replicate_Wild_Ignore_Table:                     Last_Errno: 0                    Last_Error:                   Skip_Counter: 0           Exec_Master_Log_Pos: 469504741

还剩1117MB没追完

MariaDB [(none)]> select 1024-469504741/1024/1024+567748597/1024/1024; +----------------------------------------------+ | 1024-469504741/1024/1024+567748597/1024/1024 | +----------------------------------------------+ |                                1117.69264221 | +----------------------------------------------+ 1 row in set (0.00 sec)

并行复制（8个并发线程，未开启GTID模式）延迟：

              Master_Log_File: mysql-bin.000022           Read_Master_Log_Pos: 333773843                Relay_Log_File: host-100-relay-bin.000073                 Relay_Log_Pos: 134217580         Relay_Master_Log_File: mysql-bin.000021              Slave_IO_Running: Yes             Slave_SQL_Running: Yes               Replicate_Do_DB:            Replicate_Ignore_DB:             Replicate_Do_Table:         Replicate_Ignore_Table:        Replicate_Wild_Do_Table:    Replicate_Wild_Ignore_Table:                     Last_Errno: 0                    Last_Error:                   Skip_Counter: 0           Exec_Master_Log_Pos: 722396020

还剩653MB没追完

MariaDB [(none)]> select 1024-722396020/1024/1024+333773843/1024/1024; +----------------------------------------------+ | 1024-722396020/1024/1024+333773843/1024/1024 | +----------------------------------------------+ |                                 653.38101101 | +----------------------------------------------+ 1 row in set (0.00 sec)