FC4 possible kernel 2.6.15 issue - debugging parameters are enabled
Dave Jones
davej at redhat.com
Sat Mar 4 03:01:07 UTC 2006
On Fri, Mar 03, 2006 at 11:02:46PM +1100, David Timms wrote:
> Skunk Worx wrote:
> >I use the GSOAP soap server toolkit for transferring data.
> >
> >Prior to kernel 2.6.15 I could pull about 3000 data items a second using
> > the various persistent http connection toolkit options over TCP/IP.
> >
> >Under 2.6.15 I am lucky to get 100 items/sec using the same codebase.
> >
> >Reverting only the kernel, back to the last 2.6.14 in yum updates, fixes
> >it.
> Dave Jones mentioned that there is some serious debugging enabled in the
> kernel (for the last month ?), and this is causing some slowness (eg for
> 3D).
that was rawhide (or possibly an fc4 update during testing period),
this is a released FC4 update, which doesn't have that enabled.
Dave
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