frogd

innodb mysql oracle database reordering rmw atomic cpu cache crash recovery buffer pool range query mvcc queueing theory little's law performance capacity planning erlang's formula memory ordering lock-free spinlock memory ordering 性能优化 功能增强 5.6 新特性 real application cluster rac ops cache-fusion pcm brain-split resource hardware hdd network ssd 硬件 memory log wal rollback segment query optimizer statistics cost join pin latch block page lru dirty pages buffer header buffer checkpoint mutex postgresql internal data cache flushing insert buffer optimizer group commit transaction lock