Posted by Vadim |

We made new patches, improved previous and want to announce new builds for 5.0.62, 5.0.67 and 5.1.26 versions. One of biggest changes we separated releases of 5.0 into two branches.
First, just “-percona” release is more stable and contains only stable and proven on many installation patches. Second is “-percona-highperf” release, which contains experimental patches that can improve performance significantly. On this stage “percona-highperf” contains patches from Yasufumi Kinoshita (more info on Maximum performance of OLTP benchmark is not so scalable on multi-cpu.
Most important patch “split_buf_pool_mutex” to separate InnoDB buffer->pool mutex into several, and it allows to get 1.5x – 2.5x improvements in DBT2 benchmarks on 8cores boxes (benchmark results is coming and will be published)
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