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From Oleg Kalnichevski <ol...@apache.org>
Subject Re: HttpClient performance
Date Fri, 20 Aug 2004 18:54:52 GMT
> I do not remember which earlier releases I used. I only remeber that it
> did not have the rcX attached to it. I am not sure if it matters now. I
> guess, the only thing we are concerned here is whether we can get
> HttpClient performance better than JDK or not. If yes, then how do we
> get it? I guess some other folks had a similar problem before. Wondering
> if a solution to the problem was found or not? 
> 

Zulfi,

You can see the full results that I got at the following location:

http://marc.theaimsgroup.com/?l=httpclient-commons-dev&m=109300858528261&w=2

The short summary

(1) What I see is that HttpURLConnection tends to perform better by a
constant delta of 1-3ms for those methods that produce smaller (below
5kb) response entities. 

(2) For methods producing larger response entities (over 50kb)
HttpClient tends to perform better

(3) HttpClient handsomely beats HttpURLConnection when streaming out
entity enclosing requests (POST, PUT)

(4) HttpClient 2.0.1 with the stale connection check disabled performs
better than HttpClient 2.0-alpha3.

Hope this clarifies the situation

Oleg


> Hope this helps you in understanding the problem. 
> 
> -Zulfi
> 
> 
> 
> -----Original Message-----
> Subject: HttpClient performance
> Date: Fri, 20 Aug 2004 08:39:21 +0100
> From: Kalnichevski, Oleg <oleg.kalnichevski@bearingpoint.com>
> 
> 
> Zulfi,
> 
> If you expect us to react on this report, you have to be a little more
> specific on how exactly you measured the performance, exactly what kind
> of HTTP methods your tests included, exactly what pre-release-candidate
> you are referring to, and what exactly you mean by "but it is still
> slower than using JDK-1.4.2". Do you actually mean using
> HttpURLConnection? Raw socket? Something else?
> 
> I'll run a few tests of my own to see if I get significant difference
> in terms of performance between HttpClient 2.0alpha3, 2.0.1, CVS HEAD
> (post-3.0a1) and HttpURLConnection
> 
> Oleg
> 
> 
> -----Original Message-----
> From: Zulfi Umrani [mailto:zumrani@novell.com] 
> Sent: Friday, August 20, 2004 7:06 AM
> To: commons-httpclient-dev@jakarta.apache.org 
> Subject: HttpClient performance
> 
> 
> Hi,
> 
> Just wanted to get the latest information on the performance issues
> reported earlier. I have gone through the below emails from Archive,
> but
> could not get a definite solution to the performance problem.
> Wondering
> whether a definite solution was found and whether there is a patch
> available. We tested the performance using pre-release-candidate
> version
> of HttpClient(2.0) and it was much better than the release-candidate
> versions and the final 2.0 version of HttpClient. Please note that I
> did
> try using the  SimpleHttpConnectionManager and calling the
> setConnectionStaleCheckingEnabled method with false argument. The
> performance does improve, but it is still slower than using JDK-1.4.2.
> I
> will appreciate if someone who knows the solution can respond.
>    
> 
> http://nagoya.apache.org/eyebrowse/ReadMsg?listName=commons-httpclient-dev@jakarta.apache.org&msgId=781750
> 
> http://nagoya.apache.org/eyebrowse/ReadMsg?listName=commons-httpclient-dev@jakarta.apache.org&msgId=781859
> 
> http://nagoya.apache.org/eyebrowse/ReadMsg?listName=commons-httpclient-dev@jakarta.apache.org&msgId=781909
> 
> http://nagoya.apache.org/eyebrowse/ReadMsg?listName=commons-httpclient-dev@jakarta.apache.org&msgId=779703
> 
> 
> Thanks.
> 
> 
> 
> 
> 
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