[Gllug] Large Page Patch

[John Hearns]

On Thu, 2002-08-15 at 19:13, Huw Lynes wrote:
> On Wednesday 14 August 2002 09:35, Huw Lynes wrote:
> 
> > This was back in 2000 around about 2.2.13; 2.4 probably uses 64KB
> > chunks by default for block device access. The talk of increasing it
> > to 1MB gels with what the engineer said. I guess what I need to do
> > now is find out what chunk size 2.4 uses and wether or not it can be
> > increased. Although I don't relish the thought of having to use raw
> > I/O to get the performance I need.
> 
> I/O performance in 2.5 seems to be much improved over 2.4; we can now 
> get the full bandwidth (90MB/s) of the RAID using raw I/O. Plus the 
> issue has forced me to go and learn some stuff that I probably should 
> have known already.
> 
Cool. Real life use of 2.5

You should talk at a GLLUG sometime about what you have found out.



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