W3C home > Mailing lists > Public > www-lib@w3.org > July to September 2003

Re: Slowing down in POST request-response

From: Tanmay Patwardhan <tpthesis@hotmail.com>
Date: Mon, 07 Jul 2003 18:45:41 -0500
To: tpthesis@hotmail.com, www-lib@w3.org
Message-ID: <BAY8-F28UkQFSLBeyt900015f3d@hotmail.com>

Regarding my earlier query, the HTProfile_newNoCacheClient call seems to 
increase in linear time for repeated requests. Is this a bug or is there a 
way to keep the init time constant ?

-----------------------
Tanmay Patwardhan
Applications Developer,
UBS Warburg,
Chicago, IL.
-----------------------




>From: "Tanmay Patwardhan" <tpthesis@hotmail.com>
>To: www-lib@w3.org
>Subject: Slowing down in POST request-response
>Date: Mon, 07 Jul 2003 16:47:22 -0500
>
>
>Hi,
>
>I am posting some data to a servlet using libwww 5.4 and getting back 
>zipped xml responses. I use the HTProfile_newNoCacheClient call to create a 
>new client. On repeated calls (300+ calls), the servlet response time for a 
>request remains 2 secs, but on the client side, libwww takes more and more 
>time to get the response. This goes upto 5 secs per request after 200 
>requests and 8 secs per request for 350+ requests.
>
>Has anyone noticed such behaviour. I believe it could be somethign to do 
>with the lists in HtNet not being deleted and it needing to parse a linear 
>list on every call. Purify does not show any memory leaks but top2 shows 
>memory allocation increasing as time goes by.
>
>I tried calling...
>HTNetCall_deleteBeforeAll(HTNet_before());
>HTNetCall_deleteAfterAll(HTNet_after()); before HTProfile_delete but with 
>this, only ONE call works, and gives a null pointer exception for the 
>second.
>
>I would appreciate if someone could suggest how would one go about solving 
>this problem ?
>
>Kind regards,
>Tanmay
>
>
>
>
>-----------------------
>Tanmay Patwardhan
>Applications Developer,
>UBS Warburg,
>Chicago, IL.
>-----------------------
>
>_________________________________________________________________
>The new MSN 8: smart spam protection and 2 months FREE*  
>http://join.msn.com/?page=features/junkmail
>

_________________________________________________________________
MSN 8 helps eliminate e-mail viruses. Get 2 months FREE*.  
http://join.msn.com/?page=features/virus
Received on Monday, 7 July 2003 19:45:47 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Monday, 23 April 2007 18:18:43 GMT