Re: tcp_vtw fail (was: Re: CVS commit: src)

[Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>]

> > > -int      tcp_vtw_entries = 1 << 16;      /* 64K vestigial TIME_WAIT 
> > > entries */
> > > +int      tcp_vtw_entries = 1 << 4;       /* 16 vestigial TIME_WAIT 
> > > entries */
> > 
> > Strikes me as odd if they're really being allocated despite the feature
> > being disabled.
> > 
> > I'm not very familiar with this other than the previous discussions
> > about it here, but was 64K entries the default because it's
> > performance-critical?
> > 
> > If so, would it be possible to dynamically resize these, controled by a
> > sysctl stub (or even better, automatically via heuristics in the long
> > run)?
> 
> In the short run, it is best if memory allocation is postponed until
> after VTW is enabled.  I will look into it.  It may have to wait until
> Monday.

Any progress on this issue?

sun3 and hp300 kernels have troubles with this problem
and I can't test MD changes requested by a developer...

---
Izumi Tsutsui