Re: httpapi speed

[Bryan Dietz <bryandietz@xxxxxxxxx>]

I recall seeing an install for curl on the YiPS (youngiprofesionals) site.  Involved PASE.

Unable to find now, but it's there somewhere.

--
Bryan


> On May 28, 2014, at 6:59 PM, Mike Krebs <mkrebs@xxxxxxxxxxxxxxxxxx> wrote:
> 
> Does anyone have cURL installed on their IBMi? I am curious how it performs versus HTTPAPI.
> 
> 
> 
> -----Original Message-----
> From: ftpapi-bounces@xxxxxxxxxxxxxxxxxxxxxx [mailto:ftpapi-bounces@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of Sawatzki, Peter
> Sent: Wednesday, May 28, 2014 4:18 PM
> To: HTTPAPI and FTPAPI Projects
> Subject: AW: httpapi speed
> 
> Scott,
> 
> thanks, we will try this. I was not aware of these methods. 
> 
> (And I guess this is already the solution  to my speed problems: I had an app written in C on the AS/400 that was performing really slow when it retrieved data via TCP from a custom server and it turned out that the performance killer was opening and closing the connection.)
> 
> Peter
> 
> -----Ursprüngliche Nachricht-----
> Von: ftpapi-bounces@xxxxxxxxxxxxxxxxxxxxxx [mailto:ftpapi-bounces@xxxxxxxxxxxxxxxxxxxxxx] Im Auftrag von Scott Klement
> Gesendet: Mittwoch, 28. Mai 2014 19:25
> An: HTTPAPI and FTPAPI Projects
> Betreff: Re: httpapi speed
> 
> Peter,
> 
> When you're connecting to the same server repeatedly, I would recommend using the persistent APIs.  They have the ability to create a single connection, and then re-use that connection for multiple requests.  This should greatly improve performance.
> 
> 
> D comm            s               *
> 
> 
>  /free
> 
>      comm = http_persist_open( url );
> 
>      if comm = *null;
>         http_crash();
>      endif;
> 
>      for x = 1 to 1000;
> 
>         rci = http_persist_get( comm: url: 0: %paddr( toString ));
> 
>         if rci <> 1;
>          // handle error
>         endif;
> 
>      endfor;
> 
>      http_persist_close(comm);
> 
> 
>> On 5/28/2014 5:24 AM, Sawatzki, Peter wrote:
>> I'm unsure whether we are doing something wrong: we are using httpapi successfully in several different projects however I'm wondering why the AS/400 is much slower than for example a simple PC that issues a request.
>> 
>> To nail this down I wrote a simple web service that can be called with 
>> a GET and that returns a fixed string. The get is called with this 
>> code
>> 
>> Rci = http_url_get_raw( Url : 0 : %PAddr( toString ) );
>> 
>> in a loop 1000 times.
>> 
>> On the PC (client) side I have a simple Delphi app that does
>> 
>>  For i:= 1 to 1000 do Idhttp.get(Url);
>> 
>> Where URL is 
>> http://192.168.101.27/dwhsvc/dwhsvc.dll/datasnap/rest/TServermethods/p
>> ing
>> 
>> And the service responds with "pong". 192.168.101.27 is located in the same subnet as the AS/400.
>> 
>> The AS/400 takes 210 seconds to issue 1000 calls, the PC takes less than two seconds (or 13 seconds for 10,000 calls).
>> 
>> Any idea what I'm doing wrong on the AS/400 side ?
>> 
>> Peter
>> 
>> 
>> 
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