Re: Filesystem tuning parameters

2003-01-24 Thread Bill Moran
Kevin Stevens wrote: On Friday, Jan 24, 2003, at 16:40 US/Pacific, Bill Moran wrote: See /usr/share/doc/papers/diskperf.ascii.gz on your system. This is the authoritative resource as to why those settings are they way they are. ?? Sure that's the correct doc? It involves throughput tests

Re: Filesystem tuning parameters

2003-01-24 Thread Kevin Stevens
On Friday, Jan 24, 2003, at 16:40 US/Pacific, Bill Moran wrote: See /usr/share/doc/papers/diskperf.ascii.gz on your system. This is the authoritative resource as to why those settings are they way they are. ?? Sure that's the correct doc? It involves throughput tests of different disk syst

Re: Filesystem tuning parameters

2003-01-24 Thread Bill Moran
Kevin Stevens wrote: Also, why is "up to a factor of three in throughput" lost over the 10% setting? Is that another allusion to space optimization going into effect, or is there something else happening? I guess I don't understand the ramifications of the minfree setting. Any suggestions or re

Re: Filesystem tuning parameters

2003-01-24 Thread Craig Reyenga
You're right, dedicating that much space to nothing is pretty pointless. What I did was I edited /usr/src/sys/ufs/ffs/fs.h and changed: #define MINFREE 8 to #define MINFREE 0 and then recompiled the kernel and set my /home partition to use 0% free space with tunefs. Now I get to