Reading Time: 2 minutes
- MySQL 5.5 and 5.6 both performed significantly better than MySQL 5.1.
- Read/Write and Read Only workloads testing requests per second show a marked improvement for both MySQL 5.5 and 5.6 over MySQL 5.1.
- The 95th percentile response times (explained below) for both Read/Write and Read Only workloads on MySQL 5.5 and 5.6 were much lower (thus faster) than MySQL 5.1.
Requests per Second
Response in Milliseconds
- Intel E3-1220 v2
- 8 GB of RAM
- 2 x Crucial M500 240 GB Drives
- RAID 1, using an LSI 9260-4I RAID Card
- Physical Server Hardware
- OS: CentOS 6.5
- Storm Dedicated
- “Warm Up” Test Before Recording Results
- All testing was done with Sysbench.
- MySQL and Sysbench were running on the same host, meaning that both were communicating via Localhost.
- “Warm-up” tests were conducted before recording results.
- Requests per Second: The total number of requests the MySQL server was able to respond to per second.
- 95th Percentile: The number, in milliseconds (ms), below which 95% of the response times fell.
- Read/Write Workloads: MySQL performs Selects, Deletes, Updates, and Inserts.
- Read Only Workloads: MySQL performs Selects only.
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