| Bug #53852 | InnoDB: Performance drop in SELECT_SUM_RANGES test at higher number of threads | ||
|---|---|---|---|
| Submitted: | 20 May 2010 11:14 | Modified: | 8 Dec 2010 22:45 |
| Reporter: | Alexey Stroganov | Email Updates: | |
| Status: | Closed | Impact on me: | |
| Category: | MySQL Server: InnoDB Plugin storage engine | Severity: | S3 (Non-critical) |
| Version: | 5.1.47/plugin1.0.8 | OS: | Any |
| Assigned to: | Alexey Stroganov | CPU Architecture: | Any |
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Description: While running sysbench SELECT_SUM_RANGES test for 5.1.47/iplugin-1.0.8 we have observed slight drop in performance ~128/256 threads. # Test: SELECT_SUM_RANGES:throughput, TPS # # Server 1 - 5.1.46-plugin-1.0.7 # Server 2 - 5.1.47-plugin-1.0.8 # # Server 1 Server 2 # Thread INNODB INNODB 4 25183.79 24812.62 16 41539.69 41534.32 64 37017.63 36054.03 128 35743.26 34929.75 256 35883.04 34652.39 How to repeat: Run sysbench/SELECT_SUM_RANGES test for 5.1.46/iplugin107 and 5.1.47/iplugin108