From: Philip Hallstrom <ruby@...>
Date: 2006-05-18T11:08:31+09:00
Subject: Re: bm + net/http sanity check

> Ah ha, that makes more sense.  It didn't occur to me that it would take
> multiple roundtrips for a single GET.  Gee, now that I think about it, that
> doesn't include the image gets either...

get() should just download the one page.  It's not going to download the 
images contained within....

You might see if there is a head() (haven't looked, but i imagine there 
is).  That will just query the server and the server will say "yeah, it's 
there", but won't return any data...

-philip

>
> sd
>
> -----Original Message-----
> From: Sam Roberts [mailto:sroberts@uniserve.com]
> Sent: Wednesday, May 17, 2006 4:53 PM
> To: ruby-talk@ruby-lang.org
> Subject: Re: bm + net/http sanity check
>
> Quoting steve.debaun@seminis.com, on Thu, May 18, 2006 at 07:58:28AM +0900:
>> Only reason I'm asking: ping delta is about 100 ms, but the Net::HTTP
> delta
>> is about 700 ms.  This does not jive with what I'm expecting, at all.
>
> Why not? Sounds ok, setting up, using, and closing down a tcp line
> should take at least 3 roundtrips, I think, so you'd need at least 300,
> and if the data transfer takes a bit of time, bit of tcp stack overhead,
> bit of software doing stuff... sounds like 700 ms.
>
> running tcpdump might tell you exactly whats going on, with pretty
> accurate timestamps.
>
> Cheers,
> Sam
>
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