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Displaying posts with tag: MySQL SMP performance (reset)

InnoDB Performance On 4 and 8 core CPU
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I know that this was talked a lot and recently Mark Callaghan also gave a session in MySQL user conference 2008 about the real bottlenecks.

Other day I was testing my thread pool stuff with MySQL 5.1.24 + InnoDB plugin 1.0.1 along with other miscellaneous benchmark tests by making them CPU bound by keep the working set completely in memory to gauge the performance of threads overhead; and on 8-core box InnoDB seems to be doing better than 4-core. And then immediately I started few tests with mysqlslap by keeping complete data set in the buffer pool to get the proper timing on locking overhead.

Here is the comparison of performance on 8-core box with innodb_thread_concurrency is set to 32 and

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