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Huge drop in ads sent to AdMob and Huge increase in House Ads served starting Sept 2nd 2011 #254

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago 
What steps will reproduce the problem?
1. Check the data on all our apps, despite no changes from our side all show a 
Huge drop in all other networks, besides iAd (which is set at 95%), all other 
have drop a lot, sending those requests to House Ads instead. This has happened 
starting Sept 2nd (sometimes during Sept 2nd by looking at the stats, on Sept 
3rd onwards every day has seen similar stats)
2.
3.

What is the expected output? What do you see instead?

What version of the product are you using? On what operating system?
v 262 is in use in the Client code of most of our apps.

Please provide any additional information below.

Original issue reported on code.google.com by fred...@ticbits.com on 7 Sep 2011 at 8:24

GoogleCodeExporter commented 9 years ago 
We have a similar issue. And we double checked all our SDKs are up to date. The 
drop is as big as 75% of usual impression count.

What we found in ours is that the overall impression to AdWhirl dropped 75%. 
AdMob fill rate remained at nearly 99%.

Original comment by pinkbana...@gmail.com on 7 Sep 2011 at 6:21

GoogleCodeExporter commented 9 years ago 
Are you seeing anything in your logs?  Nothing's changed on the adwhirl end, so 
if you haven't altered your config data then it shouldn't be on our side.

Original comment by wesgood...@google.com on 7 Sep 2011 at 10:43

GoogleCodeExporter commented 9 years ago 
sorry, i know it sounds silly. but can you let me know how i can get the log?

Original comment by pinkbana...@gmail.com on 8 Sep 2011 at 3:55

GoogleCodeExporter commented 9 years ago 
Just to clarify, we haven't made any changes on our end either, and this has 
happened across all of our apps, so it must definitely be a server side issue, 
or some change on that part, as otherwise I would assume this would be related 
to only one or a few of our apps. And, those apps haven't been updated either 
in a long time

Original comment by fred...@ticbits.com on 8 Sep 2011 at 6:18

GoogleCodeExporter commented 9 years ago 
The problem seem to be with house ads getting weighted WAY too much for some 
reason. Instead of weights like 0.5 or 0.2, all our house ads now get a weight 
of 10 for some reason.

Original comment by nix...@gmail.com on 10 Sep 2011 at 10:02

GoogleCodeExporter commented 9 years ago 
anyone still suffering from this? our impression count is still much lower than 
before. we are trying to skip adwhirl and go directly with admob, will know 
results in a few days.

Original comment by pinkbana...@gmail.com on 12 Sep 2011 at 5:30

GoogleCodeExporter commented 9 years ago 
[deleted comment]
GoogleCodeExporter commented 9 years ago 
Issue 255 has been merged into this issue.

Original comment by wesgood...@google.com on 15 Sep 2011 at 1:10

GoogleCodeExporter commented 9 years ago 
I rolled back the servers and have identified the bug (a glitch in 
CustomsServlet.java's pickNid method, which was responsible for resetting 
weight values in the cache, exposed because we've updated the caching layer to 
save some memory).

You shouldn't be seeing this in production anymore.  Tomorrow I'll see about 
writing some tests to confirm my fix, and then I'll be pushing the code to our 
backends.

Original comment by wesgood...@google.com on 15 Sep 2011 at 1:14

GoogleCodeExporter commented 9 years ago 
Issue 253 has been merged into this issue.

Original comment by wesgood...@google.com on 20 Sep 2011 at 8:55

GoogleCodeExporter commented 9 years ago

Original comment by wesgood...@google.com on 23 Sep 2011 at 10:54