From my initial testing this is very promising for a postgres server. 
Benchmark-wise, a simple dd with an 8k blocksize gets ~200MB/s as 
compared to ~140MB/s on the same hardware without the patch. Also, that 
200MB/s seems to be unaffected by the dd blocksize, whereas without the 
patch a 512k blocksize would get ~100MB/s. I'm now watching to see how 
it does over a couple of days on real-world workloads. 

Mike Stone

In response to

• Introducing a new linux readahead framework at 2006-04-21 01:38:26 from Wu Fengguang

Responses

• Re: Introducing a new linux readahead framework at 2006-04-27 11:43:42 from Michael Stone

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