ORACLE理论
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Latches and Latch Contention
http://learningoracle.wordpress.com/2008/02/19/latches-and-latch-contention/[@more@]Latches and Latch ContentionPosted in Reading Material,Write-Ups by ealing on February 19, 2008 Tags: concurrency, latches, _spin_count I’ve taken a short detour into the world of latch contention. I read two papers, Resolving Oracle Latch Contention and Conquering Oracle Latch Contention. The stand-out thing about these two papers is that, modulo a caveat about CPU usage, they recommend exactly opposite ways of
