[lkml]   [2001]   [Aug]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [resent PATCH] Re: very slow parallel read performance
> exactly this is a point: my disk can do 5mb/s with almost random seeks,
> and linux indeed reads 5mb/s from it. but the userpsace process doing
> read() only ever sees 2mb/s because the kernel throes away all the nice
> pages.

Which means the VM in the relevant kernel is probably crap or your working
set exceeds ram.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2005-03-22 12:58    [W:0.202 / U:0.120 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site