Re: question: aio / nbio / kqueue

2001-06-22 Thread Josh Osborne
[...] >> AIO is good when you are not receiving much data (or not receiving >> it very frequently), and presumably want very low latency. > > What if you want good performance with "moderate" disk IO, say ten > to twenty megabytes per second continuously? I don't know if select/kqueue/poll "work"

Re: question: aio / nbio / kqueue

2001-06-22 Thread Josh Osborne
On Friday, June 22, 2001, at 07:01 PM, E.B. Dreger wrote: > Quick question, hopefully not too basic for this list: > > AIO vs. non-blocking IO vs. kernel queues > > I'm familiar with (and *love*) kernel queues. Non-blocking IO is > straightforward. AIO seems simple enough. > > My question is, f

Re: Sysadmin article

2001-06-15 Thread Josh Osborne
On Friday, June 15, 2001, at 02:37 PM, Giorgos Keramidas wrote: > On Thu, Jun 14, 2001 at 10:23:21PM -0400, Rajappa Iyer wrote: >> http://www.sysadminmag.com/articles/2001/0107/0107a/0107a.htm >> >> Any obvious reasons why FreeBSD performed so poorly for these people? > > Yes, it's not very dif