nginx-0.8.11

[Steve]

-------- Original-Nachricht --------
> Datum: Fri, 28 Aug 2009 22:24:08 +0200
> Von: "Steve" <steeeeeveee at gmx.net>
> An: nginx at sysoev.ru
> Betreff: Re: nginx-0.8.11

> 
> -------- Original-Nachricht --------
> > Datum: Fri, 28 Aug 2009 09:39:20 -0700
> > Von: Michael Shadle <mike503 at gmail.com>
> > An: nginx at sysoev.ru
> > Betreff: Re: nginx-0.8.11
> 
> > 2009/8/28 Igor Sysoev <is at rambler-co.ru>:
> > 
> > > No, now "gzip_disable msie6" disables MSIE4/5 and 6 before SV1.
> > > Early it disables any MSIE4/5/6.
> > 
> > Gotcha!
> > 
> > > It depends. On Linux AIO can be used with DIRECTIO only, which
> disables
> > > caching on VM. On FreeBSD I plan to add support for sendfile()s
> > SF_NODISKIO
> > > flag. This allows to use sendfile() and AIO preload for sendfile().
> > 
> > I think when they did benchmarks for Lighttpd, AIO was the fastest
> > solution. Is there any benefit to caching in VM? Files requested a lot
> > or small files?
> > 
> > > By default directio_alignment is 512, however, on XFS you may need to
> > > set "directio_alignment 4k" or even more depending on FS block size.
> > 
> > Is there an easy way to check blocksize? I use XFS typically.
> > 
> Assume the device is /dev/sda1 then you could call just this one line to
> get the block size:
> xfs_db -c "sb 0" -c "p" /dev/sda1 | grep "^blocksize"
> 
> Or this:
> echo -ne "sb 0\np\n" | xfs_db /dev/sda1 | grep "^blocksize"
> 
> Or go interactive and call:
> # xfs_db /dev/sda1
> xfs_db> sb 0
> xfs_db> p
> xfs_db> quit
> 
I forgot to add xfs_info. For example seeing the block size of your mounted root file just issue this and look for bsize=nnnn
xfs_info /


> 
> > Also, since this is DIRECTIO, this is not really a good idea over NFS
> > right? I think I saw in the Linux kernel that DIO support in NFS was
> > experimental etc. but I'm not sure I'll get much benefit out of it...
> 
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