Re: [SM-DEVEL] vlogin plugin and multilogin plugin

[Paul L. <pa...@sq...>]

On Dec 16, 2007 8:01 AM, Ralf Hildebrandt <Ral...@ch...> wrote:
> * Paul Lesniewski <pa...@sq...>:
>
> > > Did that just now: I disabled JUST the vlogin plugin and switched all users
> > > over to that version -- no load spikes.
> >
> > Uh oh.  Doesn't sound like the fix will be fun.  Although the code
> > change was in the SM core, which is odd/interesting.
>
> Indeed not. I made some more tests: I updated to 1.4.13 and left all
> plugins as-is: All is well.
>
> I update the vlogin: Things go amiss.

Ah, well you didn't mention your vlogin version(s) and that you were
also upgrading it.  Please list all relevant version information.  If
you can test and/or profile amongst different versions, this is of
course very helpful.

> So it's something in the vlogin plugin, but I have yet to see which
> version is still "good" and which version makes it go "bad".
>
> > You really want to profile one page request at a time, once with
> > vlogin enabled, and once with it turned off.  You can't just profile a
> > partial piece of the page request.  The timing information in the
> > profiles can then be compared.  Also, I do have some new development
> > code for vlogin, although I don't think it has any big changes that
> > will affect this problem.  But it would be good to have you using the
> > newest code.  I'll send offlist.
>