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Author
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Topic: Load testing novice
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Shree
Member
Posts: 29
Registered: Aug 2001
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posted 12-04-2001 03:30 AM
    
Hi,I am new to automated load testing. I am supposed to find out if there are any issues involved in load testing a web application remotely i.e. the application would be running on a staging server at some location in the US and we'll be required to load test it from India through a 64 kbps link. I would like to know, how this bandwidth would affect the no. of users? Thanks,
Shree
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Trader
Member
Posts: 31
Registered: Dec 2001
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posted 12-04-2001 12:40 PM
First you need to run 1 virtual user and see how many kbps has been transmitted.
Then take 64/x, where x is kbps for one virtual user.
Lets assume 1 user(in your test script) transmitting 10 kbps, you can run only 64 virtual users simultaneously.
Keep in mind that you probably could run more, but you need to now what will happen if you overload pipe capacity.
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Rayr_UK
Advanced Guru
Posts: 407
Registered: Apr 2000
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posted 12-05-2001 01:58 AM
Basically Shiree you can't carry out effective load/stress testing over a 64k link  ------------------
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ilia
Moderator
Posts: 358
Registered: Jul 1999
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posted 12-19-2001 04:02 AM
IMHO it's much better to set up a remote adm tool and have a full loadtesting tool to be installed on the remote site. Have a look at PCAnywhere or VNC to accomplish it.
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MarkBailey5012
New Member
Posts: 5
Registered: Feb 2002
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posted 02-22-2002 03:18 PM
If your target users are likely to be accessing the website from the US, then a different approach would be to use a web-based Stress Testing tool, like WebPartner's.You would access the Stress Testing UI and the reports via your 64Kb link. We would apply the load on the site from our server cluster that likely can connect to your US site at very high speed so as to allow the maximum load to be placed upon your US server. You don't have to purchase, configure, or maintain additional hardware. You can deploy this quickly. And you get a realistic load applied to your target site. It is no problem for you to do all of this from India over a 64K link. If this sounds like it might do the trick, please check out the following URL: http://www.webpartner.com/st_main.html Good luck with your project! Mark ------------------
WebPartner
Website Application Test & Performance Software
http://www.webpartner.com
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revan28
New Member
Posts: 1
Registered: Mar 2002
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posted 03-05-2002 01:37 AM
Hi Shree,Running a load test on a 64K line is not a healthy way. It will definitely skeww the results at the end of the day. The delay in the reply for the http reauest sent by your script will not be known whether by the server or by the 64K line. Hence have a thumb rule to run the load test only on a LAN and not on any dedicated WAN. In case if you have any issues, you may reach me at raju@rajnreva.com. I am a seasoned (12+ years of experience) QA/QC professional. Thanks and regards, Raj ------------------
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ddoane
Member
Posts: 10
Registered: Mar 2002
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posted 03-07-2002 10:18 AM
quote:
Originally posted by Shree:
Hi,I am new to automated load testing. I am supposed to find out if there are any issues involved in load testing a web application remotely i.e. the application would be running on a staging server at some location in the US and we'll be required to load test it from India through a 64 kbps link. I would like to know, how this bandwidth would affect the no. of users? Thanks,
Shree
I'd recommend going with a hosted load testing solution for this. That way you don't run into any bandwidth constraints. Checkout OpenLoad at http://www.opendemand.com/. It's easy to use and relatively inexpensive. Let me know if I can be of further help. -Don
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OpenDemand Systems, Inc.
744 Broad St., 16th Flr.
Newark, NJ 07102
973.735.0547
973.642.8665
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