I am doing some sysbench tests on an EC2 instance. Below are the sysbench server configs:
- c5.18xlarge
- sysbench v1.0.11
- oltp_read_write.lua
- 32 tables
- 32 threads
- 50M rows each table
- 1PK + 1 sec index / table
The DB server is a standalone EC2 r5.12xlarge:
- ubuntu 18.04
- 280G innodb buffer pool size
- innodb log file size: 2x3G
- 10.2.22 OR 10.3.13 (changed on each run)
- performance schema on
During the sysbench initial load, MariaDB 10.2.22 performs much better than 10.3.13:
- 78 minutes on MariaDB 10.2.22
- 103 minutes on MariaDB 10.3.13
According to the screenshots attached, there is some degradation on binlog write IO.
Do you know of any degradation on MariaDB 10.3 version?
Thanks!
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Bug
Major
I also noticed that CPU usage on running same sysbench on MariaDB 10.3.13 is higher than running it on MariaDB 10.2.22