Re: diskio low read performance

2007-01-13 Thread Michel Santos
Kris Kennaway disse na ultima mensagem: >> >> But also I checked the ULE/BSD against my particular problem and there >> is >> no difference at all. I get no acceptable disk read performance when >> comparing what I had with 4.11, wether with ULE or with 4BSD > > Be very careful, because I've perso

Re: diskio low read performance

2007-01-13 Thread Kris Kennaway
On Sat, Jan 13, 2007 at 05:23:39PM -0200, Michel Santos wrote: > >> kernel config > >> http://suporte.lucenet.com.br/ms/kernel62 > > > > optionsSCHED_ULE # ULE scheduler > > > > From the NOTES file from where you copied this: > > > > # SCHED_ULE is a new scheduler that has be

Re: diskio low read performance

2007-01-13 Thread Michel Santos
Kris Kennaway disse na ultima mensagem: > On Sat, Jan 13, 2007 at 04:58:06PM -0200, Michel Santos wrote: > >> I have two server, the main server is a Supermicro Dualcore Dual Opteron >> and the backup is a Athlon64 X2, both with 4GB >> >> The disks are the same, only the onboard SCSI is Adaptec an

Re: diskio low read performance

2007-01-13 Thread Kris Kennaway
On Sat, Jan 13, 2007 at 04:58:06PM -0200, Michel Santos wrote: > I have two server, the main server is a Supermicro Dualcore Dual Opteron > and the backup is a Athlon64 X2, both with 4GB > > The disks are the same, only the onboard SCSI is Adaptec and the other is > LSI. Funny is that I have no d

Re: diskio low read performance

2007-01-13 Thread Michel Santos
Kris Kennaway disse na ultima mensagem: > On Sat, Jan 13, 2007 at 03:41:21PM -0200, Michel Santos wrote: >> >> Kris Kennaway disse na ultima mensagem: >> > On Sat, Jan 13, 2007 at 09:53:47AM -0200, Michel Santos wrote: >> > >> >> I forgot to say that I tried it already. Even if it gave me no >> >>

Re: diskio low read performance

2007-01-13 Thread Kris Kennaway
On Sat, Jan 13, 2007 at 03:41:21PM -0200, Michel Santos wrote: > > Kris Kennaway disse na ultima mensagem: > > On Sat, Jan 13, 2007 at 09:53:47AM -0200, Michel Santos wrote: > > > >> I forgot to say that I tried it already. Even if it gave me no > >> improvement > >> I have it in 16 at this time t

Re: diskio low read performance

2007-01-13 Thread Michel Santos
Kris Kennaway disse na ultima mensagem: > On Sat, Jan 13, 2007 at 09:53:47AM -0200, Michel Santos wrote: > >> I forgot to say that I tried it already. Even if it gave me no >> improvement >> I have it in 16 at this time together with a higher >> vfs.ufs.dirhash_maxmem >> value. >> >> Sincerley, an

Re: diskio low read performance

2007-01-13 Thread Kris Kennaway
On Sat, Jan 13, 2007 at 09:53:47AM -0200, Michel Santos wrote: > I forgot to say that I tried it already. Even if it gave me no improvement > I have it in 16 at this time together with a higher vfs.ufs.dirhash_maxmem > value. > > Sincerley, any of the configuration changes I did gave me absolutel

Re: diskio low read performance

2007-01-13 Thread Michel Santos
Mark Kirkwood disse na ultima mensagem: > Michel Santos wrote: >> I hope somebody can help me. I upgraded recently my cache server (squid) >> 4.11 to 6.2 >> >> I notice that my disk read performance seems to be low. I observe it by >> reading diskio from net-snmp. I started to check this because m

Re: diskio low read performance

2007-01-12 Thread Mark Kirkwood
Michel Santos wrote: I hope somebody can help me. I upgraded recently my cache server (squid) 4.11 to 6.2 I notice that my disk read performance seems to be low. I observe it by reading diskio from net-snmp. I started to check this because my old server gave much better results from cache. I se

diskio low read performance

2007-01-12 Thread Michel Santos
I hope somebody can help me. I upgraded recently my cache server (squid) 4.11 to 6.2 I notice that my disk read performance seems to be low. I observe it by reading diskio from net-snmp. I started to check this because my old server gave much better results from cache. I see read access as 1/4 -