Bug#750546: ITP: sluice -- rate limiting data piping tool
On Mon, 05 Jan 2015, Colin Ian King wrote:
> On 05/01/15 18:11, Henrique de Moraes Holschuh wrote:
> > On Mon, 05 Jan 2015, Colin Ian King wrote:
> >> Since my original email, I have added more features and more
> >> sophisticated rate limiting features, namely:
> >>
> >> * constant delay time between each write (rate limiting by changing
> >> buffer sizes)
> >> * constant buffer sizes, (rate limiting by changing write times)
> >> * rate limiting by changing buffer sizes and write times
> >> * -s option to tweak rate limiting throttling
> >>
> >> The -s option controls the damping behaviour, which can be tweaked for
> >> different kinds of variable rate inputs. Some analysis of this can be
> >> seen on the sluice project page:
> >>
> >> http://kernel.ubuntu.com/~cking/sluice/
> >>
> >> I wonder if this justifies sluice being reconsidered?
> >
> > Sure it does. I can see those two rate-limiters being useful for people
> > playing with network testing.
> >
> > Can you also take a look at pv and see if any of its features are worthwhile
> > for sluice?
> >
> I've added a bunch of extra features into sluice that similar to those
> found in pv and cstream, namely:
>
> -e skip read errors,
> -p progress and ETA statistics
> -I input file (rather than just read from stdin)
>
>
> plus:
> SIGUSR1 - toggle on/off verbose mode
> SIGUSR2 - toggle overrun, underrun modes
>
> Also, sluice has a -S summary mode that gives some in-depth stats on the
> streaming rates including drift from the desired target rate.
>
> I think the various date rate control mechanisms (e.g. fixed block size,
> dynamic variable block size or hybrid of both), plus the ability to
> tweak these with the -s option along with the -S stats info are the
> unique selling points of sluice. Sluice was designed for steady and
> accurate streaming rates for network and data copying benchmarking etc.
Looks good IMO.
--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
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