| To: | Steve Lord <lord@xxxxxxx> |
|---|---|
| Subject: | Re: pagebuf_prepare_write doesn't kmap the page |
| From: | Jens Axboe <axboe@xxxxxxx> |
| Date: | Wed, 31 Jan 2001 18:31:17 +0100 |
| Cc: | Marcelo Tosatti <marcelo@xxxxxxxxxxxxxxxx>, linux-xfs@xxxxxxxxxxx |
| In-reply-to: | <200101311643.f0VGhgR26778@xxxxxxxxxxxxxxxxxxxx>; from lord@xxxxxxx on Wed, Jan 31, 2001 at 10:43:42AM -0600 |
| References: | <lord@xxxxxxx> <200101311643.f0VGhgR26778@xxxxxxxxxxxxxxxxxxxx> |
| Sender: | owner-linux-xfs@xxxxxxxxxxx |
On Wed, Jan 31 2001, Steve Lord wrote: > > To follow up on my own message - running some micro benchmarks, every single > individual operation got faster, but dbench got slower..... Dbench being slower in 2.4.1 vs 2.4.0 would be quite normal, and I wouldn't be alarmed if it's the only one disturbed by this. The easy way to get screamer dbench numbers is to completely ignore latency and finish one process I/O at the time only. -- Jens Axboe |
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