Laggy 10.04 (Was: Re: ssh logins on 10.04)
rrumberger at web.de
Thu Sep 9 14:54:11 BST 2010
Sorry, I kind of forgot about this due to being a little busy.
On Tuesday 07 September 2010, gene heskett wrote:
> On Tuesday, September 07, 2010 11:31:50 am Reinhold Rumberger did
> > On Tuesday 07 September 2010, gene heskett wrote:
> > > This 10.04 system TBT, is awful laggy, even from its own
> > > keyboard.
> > >
> > > I think the next item to install is htop & figure out whats
> > >
> > > hogging the cpu. 6.06 never suffered from this. Humm, htop
> > > shows nothing. The lags is as if the multi-tasking context
> > > switch is 2 seconds or so. And htop says nothing is hogging
> > > the system, but it is 12 megs into swap sitting overnight.
> > > 6.06 was never into swap.
> > Apart from the obvious (getting a list of running processes and
> > looking for anything superfluous): is kdm running?
> It shouldn't be the default is gnome with the LTS version.
Well, gdm then.
> > Also, you should note that since 10.04 uses upstart, you're
> > going to have to edit the files in /etc/init (no, not
> > /etc/init.d) by hand to stop the services from starting every
> > boot.
> Wasn't aware of that, thanks.
> > Just to make things more
> > fun, there are still quite a few apps that use the old Sys-V
> > init style.
> Can we look and see something that will define which is which?
You can look at /etc/init, the filenames should be a big hint. Also,
in /etc/init.d the files that aren't links to /lib/init/upstart-job
are still controlled by the normal Sys-V init mechanism.
> > You might also want to check whether /tmp is on the disk or
> > using some RAM fs.
> Fresh install, sb on /, looks like it is. I did a swapoff -a,
> then a swapon -a, that that helped I believe.
Perhaps adjusting the swappiness value could help, but seeing as I
don't know enough about this, I won't recommend anything specific.
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