On Thu, Apr 26, 2007, Mark Powell wrote: > On Thu, 26 Apr 2007, Adrian Chadd wrote: > > >On Thu, Apr 26, 2007, Mark Powell wrote: > > > >>BTW I'll still test your patch with the POSIX AIO code built into squid > >>(which is what you've kinda requested?) > > > >You're using aufs and COSS - so by default it'll use the Squid > >thread-pools based > >AIO. Keep using that. > > Ok. Bear with me, this difference wasn't clear to me. > So you mean the squid posix AIO code (which would interface with the > FreeBSD aio module) is naive? Therefore use the Squid thread-pools based > AIO instead (which will not use the FreeBSD aio module at all)? > > >USE_AUFSOPS=0 means "use squid thread-pools based AIO from aufs". > > That's strange, as the config.log that the port made has USE_AUFSOPS=1 in > it. Therefore I'm not using Squid thread-pools based AIO? > Is there a specific function to look for in the binary that will > determine which AIO method it is using i.e. > > # nm `which squid` | grep <function> > > or another method to determine it? ./squid -v ; check the configure line for: --enable-coss-aio-ops Enable COSS I/O with Posix AIO (default is aufs I/O) > > >The AIO code in src/fs/aufs/* isn't posix AIO by a long shot.. > > Cheers. > > -- > Mark Powell - UNIX System Administrator - The University of Salford > Information Services Division, Clifford Whitworth Building, > Salford University, Manchester, M5 4WT, UK. > Tel: +44 161 295 4837 Fax: +44 161 295 5888 www.pgp.com for PGP key -- - Xenion - http://www.xenion.com.au/ - VPS Hosting - Commercial Squid Support - - $25/pm entry-level bandwidth-capped VPSes available in WA -
