Messages in this thread |  | | From | Albert Cahalan <> | Subject | Re: Memory upgrade: not faster / nfs | Date | Sat, 26 Oct 1996 19:24:01 -0400 (EDT) |
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From: Bryn Paul Arnold Jones <bpaj@gytha.demon.co.uk> > On Sat, 26 Oct 1996, Olaf Kirch wrote: > >> Currently, async page reads are implemented only for rsize >= PAGE_SIZE >> (which is at 4096 on the ix86 platform), and uses four nfsiod processes. >> If rsize is smaller than 4096, each readpage operation is broken up >> into synchronous read operations of rsize each, which means that for >> rsize == 1024 you do four READ RPC calls of 1K to the NFS server. > > Don't forget to tell him that if he changes the rsize & wsize from the > default of 1024, to a larger number, like 4096 (the page cache works in > this), or 8192 (most commercal Unices use this), things go _much_ faster.
Just how much would break if the default was PAGE_SIZE? Since commercal Unices use 8192, I don't think there will be many problems.
I suspect many people are unaware of the option, so changing the default would make Linux NFS much faster for many people.
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