Re: [gentoo-user] linux' IO performance sucks

2006-07-05 Thread Daniel Drake
� wrote: So about every 200MB (i guess the linux box writes the data into the cache in the RAM first) linux writes the harddisk. But during that time - during the time it writes that 200MB to disk, there is no chance for any other IO. I'm playing an mp3 from the very same fileserver. It stops

Re: [gentoo-user] linux' IO performance sucks

2006-07-05 Thread Daniel
Sven Köhler wrote: Hi, sorry for the silly subject, but did you ever experience the following?: i have a fileserver, i copy a file to it - let's say 600MB. So about every 200MB (i guess the linux box writes the data into the cache in the RAM first) linux writes the harddisk. But during

Re: [gentoo-user] linux' IO performance sucks

2006-07-05 Thread Hemmann, Volker Armin
On Wednesday 05 July 2006 12:43, Daniel wrote: You could also disable all write caching by issuing the command: hdparm -W0 /dev/your-physical-disk-name emm, no, That only deactivates the on-disk cache and has nothing to do with the kernel cachesbuffers. In fact, it has nothing to do with

Re: [gentoo-user] linux' IO performance sucks

2006-07-05 Thread Daniel Iliev
Hemmann, Volker Armin wrote: On Wednesday 05 July 2006 12:43, Daniel wrote: You could also disable all write caching by issuing the command: hdparm -W0 /dev/your-physical-disk-name emm, no, That only deactivates the on-disk cache and has nothing to do with the kernel cachesbuffers.

Re: [gentoo-user] linux' IO performance sucks

2006-07-05 Thread Daniel Iliev
This one is only to correct a BIG typo: eclectic power should be electric power (spelling checker + sleeping writer..) Sorry about that. Hemmann, Volker Armin wrote: On Wednesday 05 July 2006 12:43, Daniel wrote: You could also disable all write caching by issuing the command: hdparm

Re: [gentoo-user] linux' IO performance sucks

2006-07-05 Thread Dale
Daniel Iliev wrote: This one is only to correct a BIG typo: eclectic power should be electric power (spelling checker + sleeping writer..) Sorry about that. You got a better excuse than me. My typing sucks. O_O Dale :-) :-) -- gentoo-user@gentoo.org mailing list

[gentoo-user] linux' IO performance sucks

2006-07-04 Thread Sven Köhler
Hi, sorry for the silly subject, but did you ever experience the following?: i have a fileserver, i copy a file to it - let's say 600MB. So about every 200MB (i guess the linux box writes the data into the cache in the RAM first) linux writes the harddisk. But during that time - during the time

Re: [gentoo-user] linux' IO performance sucks

2006-07-04 Thread Thomas Cort
On Wed, 05 Jul 2006 05:43:57 +0200 Sven Köhler [EMAIL PROTECTED] wrote: So what's going on here? Please provide more details. What filesystem does the server use (ext2/3, reiserfs, jfs, xfs, ...)? Are you using nfs, shfs, afs, smbfs, ...? What are the hardware specs for the server? How much

Re: [gentoo-user] linux' IO performance sucks

2006-07-04 Thread Richard Fish
On 7/4/06, Sven Köhler [EMAIL PROTECTED] wrote: So about every 200MB (i guess the linux box writes the data into the cache in the RAM first) linux writes the harddisk. But during that time - during the time it writes that 200MB to disk, there is no chance for any other IO. I'm playing an mp3

Re: [gentoo-user] linux' IO performance sucks

2006-07-04 Thread Hemmann, Volker Armin
On Wednesday 05 July 2006 05:43, Sven Köhler wrote: Hi, sorry for the silly subject, but did you ever experience the following?: i have a fileserver, i copy a file to it - let's say 600MB. So about every 200MB (i guess the linux box writes the data into the cache in the RAM first) linux