Benchmark

January 4th, 2010 by admin Leave a reply »

业界传闻Oracle在为Sap的BI-D的Benchmark测试中，使用了以下隐含参数?

_optimizer_cost_based_transformation= off
_query_rewrite_fudge = 1
_improved_row_length_enabled= FALSE
_optim_peek_user_binds = FALSE
_optimizer_autostats_job = FALSE
_optimizer_save_stats = FALSE

我反正不太相信原厂商的号称的Benchmark值，都是在极端理想环境做的，和现实应用差距太大。不太靠谱。

Posted in Oracle, Sap&Basis

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