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Testing Tools >> OpenSTA

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mesodrome
Newbie


Reged: 06/22/12
Posts: 3
Unable to view OpenSta FAQ
      #710507 - 06/22/12 04:56 AM

Hi, I am new to the forum and OpenSTA.

I am unable to view FAQs at http://portal.opensta.org/faq.php.

Can anyone please tell me if this have moved to any new address?

Regards


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mesodrome
Newbie


Reged: 06/22/12
Posts: 3
Re: Unable to view OpenSta FAQ [Re: mesodrome]
      #710509 - 06/22/12 05:01 AM Attachment (128 downloads)

I have even tried the link:

http://portal.opensta.org/modules.php?op...&file=index

mentioned in Bernie's moderator sticky. (Please find the attachment)


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Bernie VelivisModerator
Moderator


Reged: 06/02/03
Posts: 1604
Loc: Hollis, NH, USA
Re: Unable to view OpenSta FAQ [Re: mesodrome]
      #710570 - 06/23/12 08:53 AM

The opensta website is managed by another individual and has fallen into disarray. Have a look at the sticky post at the top of this forum for some FAQs and also read the getting started guide which still works. http://opensta.org/docs/gsg/

--------------------
Bernie Velivis, Performax Inc
Bernie's blog


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mesodrome
Newbie


Reged: 06/22/12
Posts: 3
Re: Unable to view OpenSta FAQ [Re: Bernie Velivis]
      #710576 - 06/23/12 02:27 PM

Thanks for your reply Bernie.

The reason I am looking for this section (FAQ) is I wanted to solve a burning issue and in long term enhance my scripting.

The Problem:
I am getting a lot (and I mean A LOT) of 10060 errors while executing my script for 50-100 vusers (time-bound).

- The site performance does not look so bad when tested manually while getting errors on OpenSTA (error log). Also the same script runs fine for 150 vusers doing 2 iterations.
- I saw a specific pattern after running multiple tests that is, i start getting errors in the first few mins after full ramp-up (even if I keep vusers to 50 or 100)

My Settings:
- Timeout set to 6 mins in Testexecuter.ini
- Linger 0
- ReuseAddr 1

Conclusion after the research so far,

While executing the script in iterations, I saw very less 10060 for 300 vusers X 1 iteration. So I came to a conclusion that, Load generator machine is attempting to bind a socket to an IP address/port that has already in use for an existing socket, or a socket that is not closed properly, or one that is still in the process of closing.

Solution (not working)

After searching a little, I got that doing "tcptimedwaitdelay" registry may solve this problem, but no luck, I have set the wait delay to 30,60,90 sec till now.

Load generator machine is:

XP SP3
2.x intel-i3/ 4 GB RAM
1 GBPS LAN
45 MBPS dedicated line shared in LAN (20 MBPS pipe for my project)


Can you help me?


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Bernie VelivisModerator
Moderator


Reged: 06/02/03
Posts: 1604
Loc: Hollis, NH, USA
Re: Unable to view OpenSta FAQ [Re: mesodrome]
      #710756 - 06/26/12 10:14 AM

I would try configuring a second opensta server (on a different physical server) and split the load evenly between the two. If problem is on your system under test, this won't help. If the problem is on the load generators, it should help (by a factor of 2).

Also, if can, post your script. If you'd rather not post it, email it to me (bernie at iperformax.com)

--------------------
Bernie Velivis, Performax Inc
Bernie's blog


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