Buffer Pool Advisory

Buffer Pool Advisory        Size for  Size      Buffers for  Est Physical          Estimated
P   Estimate (M) Factr         Estimate   Read Factor     Physical Reads
--- ------------ ----- ---------------- ------------- ------------------
D             16    .1            1,985          1.84        500,048,911
D             32    .2            3,970          1.83        497,547,162
D             48    .2            5,955          1.83        496,648,062
D             64    .3            7,940          1.82        495,609,614
D             80    .4            9,925          1.82        495,225,611
D             96    .5           11,910          1.82        494,979,601
D            112    .5           13,895          1.82        494,782,673
D            128    .6           15,880          1.76        479,013,272
D            144    .7           17,865          1.43        389,086,943
D            160    .8           19,850          1.17        318,401,469
D            176    .8           21,835          1.11        300,255,089
D            192    .9           23,820          1.05        285,059,474
D            208   1.0           25,805          1.00        271,696,986
D            224   1.1           27,790          0.93        252,627,807
D            240   1.2           29,775          0.88        239,212,154
D            256   1.2           31,760          0.81        219,665,844
D            272   1.3           33,745          0.68        183,632,607
D            288   1.4           35,730          0.56        152,975,242
D            304   1.5           37,715          0.36         98,167,852
D            320   1.5           39,700          0.20         55,282,037 <--Try to set Buffer Pool to maximize physical reads, and reduce number of reads, set to 400 MB谁能帮忙解释下 这个要求是什么意思？ 谢谢