[erlang-questions] Slow response of post method of https request using httpc erlang module

aadi i <>
Thu Aug 29 15:32:46 CEST 2013


Hi Bob,

We send thousands of httpc requests(post) in parallel to server. Which 
internally does ssl communication for every request. 

What do you mean by " configuring httpc to allow more parallel 
connections"? How can we do it.

Thanks,
Aadi

On Saturday, 24 August 2013 22:21:57 UTC+5:30, Bob Ippolito wrote:
>
> Have you configured httpc to allow more parallel connections to your 
> external server?
>
> On Saturday, August 24, 2013, aadi i wrote:
>
>> Our Application (which uses existing Erlang OTP R15B01 modules) sends 
>> https  request to external authentication server..and  it gets reply and 
>> seems work fine under normal cases
>>
>> But under heavy loads  some requests are  failing  since they are 
>> consuming more time to do ssl handshake
>>
>> and i have observed the following things during ssl handshake
>>
>> client is taking(our application ) nearly 80 sec to send the certificate 
>> after server hello is  done with server certificate
>>
>> since our server expects to complete the request- response in 30 sec 
>> otherwise it drops the connection hence results to connection failures and 
>> effects the performance of application severely
>>
>> and finally i would like to know
>> - Is  our application failing  to invoke the client certificate quickly 
>> .? i mean does httpc module do the file/IO related operations to invoke the 
>> certificates which results to slow response under heavy loads..?
>>
>> -Does Erlang has any limitations in ssl handshake procedure ..? 
>>
>>
>> Thanks in Advance :-)
>>
>>
>> adinarayana murthy
>>  
>
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