[Mailman-Users] Slow command-line unsubscription

[Charlie Watts]

On Sat, 14 Jul 2001, J C Lawrence wrote:
> On Fri, 13 Jul 2001 22:56:13 -0700
> Chuq Von Rospach <chuqui at plaidworks.com> wrote:
>
> > On 7/13/01 3:43 PM, "Charlie Watts" <cewatts at frontier.net> wrote:
>
> >> I'm trying to unsubscribe about 1000 addresses from a list of
> >> about 12,000.
>
> >> It is taking -forever- . Watching ~logs/subscribe, addresses are
> >> being un-subscribed at about 1 message per second.
>
> >> Is this normal?
>
> > Wouldn't surprise me. Since it's a single process, your MP machine
> > isn't going to use all it's CPU, but the operation is going to be
> > primarily disk-limted anyway -- are you using fast disks? Slow
> > disks?
>
> According to brief examination here its lock bound rather than IO or
> CPU.

Thank you both. Chuq - yes, fairly fast disks, but even really slow disks
should be able to change a (small) file faster than that.

The lock-bound explanation makes complete sense.

It wasn't so much a -problem- that it took a long time, as that it seemed
potentially broken, and I wanted to check.

-- 
Charlie Watts
cewatts at frontier.net                                Frontier Internet
Systems Janitor and Network Plumber           http://www.frontier.net/