Re: Squid load-balancing and failover, way-prototype

On Wed, Oct 11, 2000, richard@iguana.co.nz wrote:
> > > Ok, been workin away down here. Warning: this is hacked up code, it is not
> > > even beta quality, however it does work (beta functionality, pre-alpha
> > > style :) Patch is against squid-2.3.STABLE4
> >
> > Nice. :-)
> >
> > A few observations, none about your code:
> >
> > * Squid's dlin list stuff and mempools are very useful.
> > YTou might want to look at using it (you mentioned you were looking
> > at using the dlink list stuff, but not mempools, which would
> > be nicer ..)
>
> >From my megre understanding of mempools, it is code to allow the rapid
> allocation of memory from a "pool" of previously allocated, or
> pre-allocated memory. Since I only allocate memory at every initialisation
> (startup, and reload) I wouldn't see this serving any purpose which is why
> I hadn't thought to use it. If I'm wrong about mempools I'd be grateful
> for documentation or discussion explaining how my code might benefit :)

Ah. Sorry, stupid me for misreading how/where you malloc'ed RAM. My bad.

> > * You might want to look at doing this against squid-HEAD. The changes
> > shouldn't be that difficult, but I don't know how much of the
> > forwarding code has changed between 2.3STABLE4 and 2.4-DEVEL.
>
> I have considered this, unfortunately at this stage I'm actually using
> this code in production, so I kinda need a stable base to work off.

This I believe is everyone's problem and we have just been through it.
Leave them around for now, when squid 2.4 is ready for STABLE I would like
to have this in. Hopefully that'll be soon, real soon.

> > Neat work, if I must say so. Well done! :)
>
> Thankyou very much :)
>
> Further to the previous email, the recent spate of testing has run the
> code for 24 hours balancing over 3 hosts, handling almost a million real
> user hits from a wide variety of browsers, O/Ss etc, and it performed very
> very well, with no operational issues and very effective use of CPU.
>
> My congratulations to all of you who have contributed to squid, it took me
> basically less than 8 hours to go from knowing nothing about the squid
> code to having this up and running effectively.

Hey, cool! A change which that Intern back in the harvest days didn't hide
any gotchas for! :-)

Adrian

-- 
Adrian Chadd			"If a butterfly flaps its wings in China,
<adrian@creative.net.au>	    will a woman get naked in Amsterdam?"
				      -- Ashley Penney on Chaos Theory