Comments on: Tip #13: Understand the difference between requests and impressions http://www.openxtips.com/2009/05/tip-13-understand-the-difference-between-requests-and-impressions/ Your weekly dose of OpenX goodness... Wed, 19 May 2010 20:36:41 +0000 http://wordpress.org/?v=2.9.2 hourly 1 By: theguru http://www.openxtips.com/2009/05/tip-13-understand-the-difference-between-requests-and-impressions/comment-page-1/#comment-1745 theguru Fri, 19 Mar 2010 14:14:47 +0000 http://www.openxtips.com/?p=365#comment-1745 Hi abbas, You can't manually ad clicks against banners without actually calling the click script - there's no "log" script like there is for impressions. So, you either need to call that script, or add the data to the database manually. Of course, you shouldn't do this, because you only want to track real clicks, right? :-) When you add a banner to OpenX, the data for that banner is stored in the "banners" table. Hi abbas,

You can’t manually ad clicks against banners without actually calling the click script – there’s no “log” script like there is for impressions. So, you either need to call that script, or add the data to the database manually. Of course, you shouldn’t do this, because you only want to track real clicks, right? :-)

When you add a banner to OpenX, the data for that banner is stored in the “banners” table.

]]> By: abbas http://www.openxtips.com/2009/05/tip-13-understand-the-difference-between-requests-and-impressions/comment-page-1/#comment-1743 abbas Thu, 18 Mar 2010 07:59:05 +0000 http://www.openxtips.com/?p=365#comment-1743 Thanx for your reply I want to know two more things 1) How i can add manually clicks against the banner. 2) When i create the banner then in which tables that banner information store (Suppose my banner is external banner). Thanx for your reply I want to know two more things
1) How i can add manually clicks against the banner.
2) When i create the banner then in which tables that banner information store (Suppose my banner is external banner).

]]> By: theguru http://www.openxtips.com/2009/05/tip-13-understand-the-difference-between-requests-and-impressions/comment-page-1/#comment-1742 theguru Wed, 17 Mar 2010 22:46:56 +0000 http://www.openxtips.com/?p=365#comment-1742 Hi abbas, Yes, calling the log script manually should do the trick, provided you don't have OpenX set up to ignore repeat impressions that occur within a certain time period of previous impressions (if your version of OpenX supports this; not all versions do). Hi abbas,

Yes, calling the log script manually should do the trick, provided you don’t have OpenX set up to ignore repeat impressions that occur within a certain time period of previous impressions (if your version of OpenX supports this; not all versions do).

]]> By: abbas http://www.openxtips.com/2009/05/tip-13-understand-the-difference-between-requests-and-impressions/comment-page-1/#comment-1740 abbas Wed, 17 Mar 2010 13:25:11 +0000 http://www.openxtips.com/?p=365#comment-1740 Thanx for the article, I have one swf file in which different images load and i want to increase the impression after loading each image. can i do impression increment manually means with calling the ip? for example through http://mysite/openx/www/delivery/lg.php?bannerid=11&campaignid=4&zoneid=7&OACCAP=500&OASCCAP=500&loc=http%3A%2F%2Fmysite%2Fmultizone.html&cb=eda854695d Is it the correct way for doing it or there is any other better approach to achieve this thing Thanx for the article, I have one swf file in which different images load and i want to increase the impression after loading each image.
can i do impression increment manually means with calling the ip?
for example through
http://mysite/openx/www/delivery/lg.php?bannerid=11&campaignid=4&zoneid=7&OACCAP=500&OASCCAP=500&loc=http%3A%2F%2Fmysite%2Fmultizone.html&cb=eda854695d

Is it the correct way for doing it or there is any other better approach to achieve this thing

]]> By: theguru http://www.openxtips.com/2009/05/tip-13-understand-the-difference-between-requests-and-impressions/comment-page-1/#comment-1728 theguru Fri, 12 Mar 2010 07:07:04 +0000 http://www.openxtips.com/?p=365#comment-1728 Hi Mark! The answer depends entirely on where the bottlenecks are in your system -- if indeed there are any! If, for example, you have a low CPU powered machine, then you might find that OpenX is CPU-bound, and so adding request logging will make no difference at all -- as your install is limited to a maximum number of impressions/second by the amount of CPU power you have, then logging extra data to the database won't change that. However, if you have a more powerful server, and the disk I/O performance is in fact your bottleneck (that is, the maximum number of impressions/second you can serve is limited by how fast you can write the impression data to the database), then turning on request logging will in theory HALVE the performance of you server, as you are now DOUBLING the amount of data you need to write to the database for every impression (i.e. you now need to log a request and an impression, where before you just logged an impression). Hope that helps! Hi Mark!

The answer depends entirely on where the bottlenecks are in your system — if indeed there are any!

If, for example, you have a low CPU powered machine, then you might find that OpenX is CPU-bound, and so adding request logging will make no difference at all — as your install is limited to a maximum number of impressions/second by the amount of CPU power you have, then logging extra data to the database won’t change that.

However, if you have a more powerful server, and the disk I/O performance is in fact your bottleneck (that is, the maximum number of impressions/second you can serve is limited by how fast you can write the impression data to the database), then turning on request logging will in theory HALVE the performance of you server, as you are now DOUBLING the amount of data you need to write to the database for every impression (i.e. you now need to log a request and an impression, where before you just logged an impression).

Hope that helps!

]]> By: Mark http://www.openxtips.com/2009/05/tip-13-understand-the-difference-between-requests-and-impressions/comment-page-1/#comment-1721 Mark Sun, 07 Mar 2010 16:24:32 +0000 http://www.openxtips.com/?p=365#comment-1721 Is there a big performance hit to OpenX for logging requests? Is there a big performance hit to OpenX for logging requests?

]]> By: 理解请求(Request)和展示(Impression)的区别 » OpenX中文研究 http://www.openxtips.com/2009/05/tip-13-understand-the-difference-between-requests-and-impressions/comment-page-1/#comment-1712 理解请求(Request)和展示(Impression)的区别 » OpenX中文研究 Tue, 02 Mar 2010 07:23:40 +0000 http://www.openxtips.com/?p=365#comment-1712 [...] 英文原文地址：http://www.openxtips.com/2009/05/tip-13-understand-the-difference-between-requests-and-impressions/ [...] [...] 英文原文地址：http://www.openxtips.com/2009/05/tip-13-understand-the-difference-between-requests-and-impressions/ [...]

]]> By: su http://www.openxtips.com/2009/05/tip-13-understand-the-difference-between-requests-and-impressions/comment-page-1/#comment-1112 su Wed, 08 Jul 2009 15:24:24 +0000 http://www.openxtips.com/?p=365#comment-1112 Thanks, your explanation helps! Thanks, your explanation helps!

]]> By: theguru http://www.openxtips.com/2009/05/tip-13-understand-the-difference-between-requests-and-impressions/comment-page-1/#comment-1111 theguru Wed, 08 Jul 2009 15:19:45 +0000 http://www.openxtips.com/?p=365#comment-1111 Ah, if impressions are greater than requests, the issue tends to stem from the fact that requests are logged by OpenX during the process of interpreting the zone tag, but impressions are logged by a straight up beacon call that is returned by OpenX to log the impression. This tends to result in the tag getting called directly (either as a result of spiders or caching), and so you end up with more impressions being logged. Unfortunately, there's not much you can do about it, as OpenX doesn't have functionality (yet?) to ensure that an impression is only logged if it follows on from a request... Ah, if impressions are greater than requests, the issue tends to stem from the fact that requests are logged by OpenX during the process of interpreting the zone tag, but impressions are logged by a straight up beacon call that is returned by OpenX to log the impression. This tends to result in the tag getting called directly (either as a result of spiders or caching), and so you end up with more impressions being logged.

Unfortunately, there’s not much you can do about it, as OpenX doesn’t have functionality (yet?) to ensure that an impression is only logged if it follows on from a request…

]]> By: su http://www.openxtips.com/2009/05/tip-13-understand-the-difference-between-requests-and-impressions/comment-page-1/#comment-1110 su Wed, 08 Jul 2009 15:05:16 +0000 http://www.openxtips.com/?p=365#comment-1110 Thanks for your quick response. Sorry, I actually meant my impression number is greater than the request number and I wanted to know the reason. It's totally my fault to type it wrongly. In my test ad page, I did implement a 'page caching' with a servlet filter (by checking if-modified-since header..., and send a 304 response if page is not modified), so that's the cause of getting more impressions than requests? Is there a way to get accurate request number in this case? Thanks for your quick response.
Sorry, I actually meant my impression number is greater than the request number and I wanted to know the reason. It’s totally my fault to type it wrongly.

In my test ad page, I did implement a ‘page caching’ with a servlet filter (by checking if-modified-since header…, and send a 304 response if page is not modified), so that’s the cause of getting more impressions than requests? Is there a way to get accurate request number in this case?

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