[LRUG] Downloading images quickly

[David Burrows]

One thing on Charles, if your testing ruby/pry/irb code you may need to
connect through the Charles proxy e.g. Nokogiri request

doc = Nokogiri::HTML(open("http://www.threescompany.com/", :proxy =>
'http://localhost:8888'))


-- 
David Burrows
079 1234 2125
@dburrows

http://www.designsuperbuild.com/ | @dsgnsprbld


On Tue, Feb 5, 2013 at 11:45 AM, JB Steadman <jb at pivotallabs.com> wrote:

> +1 for Charles. Especially useful for mobile development when you want to
> simulate slower connections.
>
>
> On Tue, Feb 5, 2013 at 11:31 AM, David Burrows <david at designsuperbuild.com
> > wrote:
>
>> I use Charles (http://www.charlesproxy.com/) to simulate slow
>> connections, you can just add a latency in to the throttling settings.
>> There's also Apple's Network Link Conditioner, used to come with XCode but
>> not any more, think you need to download the OS X hardware tools from Apple
>> so you may need a dev center login.
>>
>> --
>> David Burrows
>> 079 1234 2125
>> @dburrows
>>
>> http://www.designsuperbuild.com/ | @dsgnsprbld
>>
>>
>> On Tue, Feb 5, 2013 at 11:13 AM, Tom Stuart <tom at codon.com> wrote:
>>
>>> On 5 Feb 2013, at 11:07, Andrew Stewart wrote:
>>> > To test that it was working, I added a `sleep 3` inside the
>>> `request.on_complete` block (lines 17-19).  I then gave it an array of 40
>>> URLs of assets on Amazon S3 and ran it.
>>> >
>>> > I was expecting this to take ~40s but it actually took 120s.  What am
>>> I doing wrong?
>>>
>>> Typhoeus uses non-blocking I/O to perform simultaneous requests — it's
>>> still single-threaded, like EventMachine. If you sleep the (only)
>>> interpreter thread 40 times, you'll wait 120 seconds regardless of any I/O
>>> you're doing.
>>>
>>> If you want to test it for real, you'll need to arrange for each HTTP
>>> request to actually take 3 seconds to return. Maybe write a little Rack app
>>> that sleeps for 3 seconds before responding, run it locally in a
>>> multithreaded application server (e.g. Puma), and point your code at that
>>> instead of S3?
>>>
>>> Cheers,
>>> -Tom
>>> _______________________________________________
>>> Chat mailing list
>>> Chat at lists.lrug.org
>>> http://lists.lrug.org/listinfo.cgi/chat-lrug.org
>>>
>>
>>
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>>
>
>
> --
> JB Steadman
> Pivotal Labs - London
> mobile: +44 (0) 7450 418 409
>
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