Messages in this thread |  | | | Date | Thu, 13 May 1999 08:50:30 -0400 (EDT) | | From | Phillip Ezolt <> | | Subject | Re: [RFT] 2.2.8_andrea1 wake-one [Re: Overscheduling DOES happen with high web server load.] |
| |
Andrea, I will take a look at it this morning and get back to you.
--Phil
Digital/Compaq: HPSD/Benchmark Performance Engineering Phillip.Ezolt@compaq.com ezolt@perf.zko.dec.com
On Wed, 12 May 1999, Andrea Arcangeli wrote:
> On Fri, 7 May 1999, Andrea Arcangeli wrote: > > >I'll provide you a patch shortly to try out. > > Phillip, could you try it out: > > ftp://e-mind.com/pub/andrea/kernel/2.2.8_andrea1.bz2 > > under heavy web load? (should run fine on alpha too as far as stock-2.2.8 > is just fine too) > > Note: it has also my wake-one on accept that just address completly the > overscheduling problem. But to achieve performances by it you must make > sure that _all_ apache tasks are sleeping in accept(2) and not in > flock(2)/fcntl(2)/whatever. Maybe you'll need to patch apache to achieve > that (I also seen a patch floating on the list, maybe you only need to > grap such patch and apply/reverse it over the apache tree). > > I would like if you would make comparison with a clean 2.2.8 (or with > pre-2.3.1 even if I have not seen it yet). > > Andrea Arcangeli > > >
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/
|  |