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Site maintenance, Saturday, August 9th

     
5:14 pm on Aug 6, 2008 (gmt 0)

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There will be site maintenance this Saturday, August 9th, from 10 am - 2 pm PDT. That's a start time of 1pm (Saturday) in New York, 6pm (Saturday) in London, 10.30pm (Saturday) in New Delhi, and 3am (Sunday) in Sydney.

As per usual, you will not be able to access your account during the maintenance, but your ad serving and reporting will not be affected.

ASA

5:56 pm on Aug 6, 2008 (gmt 0)

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Are you allowed to say what you do during these maintenances? Quite often the control panel that goes missing for a time doesn't appear to have changed after the maintenance.

Not being fussy - it's your business. Just interested in what the regular updates are for.

7:58 pm on Aug 6, 2008 (gmt 0)

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Hi vordmeister,

Thanks for your question. I understand that, after we have carried out routine maintenance in the past, you haven't noticed any changes in your account, and wonder what we do during maintenance.

During maintenance, our engineers carry out all the tasks required to keep our systems running as they should.

We appreciate your patience and understanding during these essential downtimes.

12:49 am on Aug 7, 2008 (gmt 0)

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During maintenance, our engineers carry out all the tasks required to keep our systems running as they should.

You should be a politician ;)

2:18 am on Aug 7, 2008 (gmt 0)

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You should be a politician ;)

Ditto. LOL
3:42 am on Aug 7, 2008 (gmt 0)

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During maintenance, our engineers carry out all the tasks required to keep our systems running as they should.

;) stats roller coaster track alignment
;) glass ceiling invisibility and height adjustment
;) ensure stats stuck activation button well oiled and NOT stuck
;) ensure eCPM randomization algorithm tool (a.k.a dice) working in proper order

joke, ASA, joke...

9:27 am on Aug 7, 2008 (gmt 0)

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Never mind the clowning above ASA, you fully answered someone's question, maybe not vordmeister's but as always it's the thought that counts.

[let's see if this approach works better after blending stopped working, rushing to check my eCPM now]

2:16 pm on Aug 7, 2008 (gmt 0)

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yeah, thanks for the heads up ASA. don't mind my nonsense <slapping my own wrists>... these maintenances are really scary. they always leave me worse off than Hobbs. ;-P
5:49 pm on Aug 7, 2008 (gmt 0)

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if eBN does not work, there is always plan B: eAK

[if you can't figure what those are, move on, don't ask]

8:20 pm on Aug 7, 2008 (gmt 0)

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I'll move on thanks Hobbs.

Didn't get back quickly to this as I thought I might have been off-topic (which is naughty here so far as I understand), but with your encouragement, and my idea that I can aim my question specifically about the update, sorry, maintenance on 9th August, I'll pitch in again.

Thanks for the reply Adsense Advisor. I've thought about all the times I pulled a site off-line for an hour or two, and every time it's because I've been modifying a database (or even moving it somewhere else). It's when I want a data set to work with without anyone adding to it while I'm working. I'm guessing that's what your engineers plan to do doing during the maintenance on 9th August in order to keep things working as they should. Which is fair enough.

To be completely open - I've no idea how an architecture quite as big as the google one can possibly work (I've even read all the way through the large scale hypertextual search engine paper. All I ended up with was the idea that it was clever guys wot wrote the thing). With adsense there will be algorithms around the place and databases everywhere else storing info, but while the maintenance appear to alter the algorithms I can't see why a database would need to be off-line while messing with an algorithm.

If any webmasterworld members can bring me closer to the detail of what could possibly be involved in the technology of these August 9th 2008 maintenances I'd be much appreciative. I know a lot of you deal in bigger things than I do myself and will have more of a clue than me.

8:39 pm on Aug 7, 2008 (gmt 0)

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Here's how I think it works:

During maintenance, raw data is redirected from processing into storage mode, this includes all the traffic and clicks logs plus every thing else Google collects, think of it as a huge bucket filling up.

Post maintenance: First a raw data sample is processed and analyzed for consistency, click fraud, earnings .., if all is well the data processing tap is opened and reports start to trickling in till the bucket is empty.

As for why you have no access to reports during maintenance, there could be two reasons:

a) There is nothing new there till the final processing green go is given.
b) If there are problems and the data is recalled for reprocessing during the maintenance (non green go) your seeing the reports would confuse you and perhaps even cause panic and more support tickets.

[edited by: Hobbs at 8:42 pm (utc) on Aug. 7, 2008]

10:17 pm on Aug 7, 2008 (gmt 0)

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That does make sense. I certainly don't like to panic, though I think for me maybe sometimes they turn the control panel on just a little early after the maintenance and maybe miss some of the data.

You suggest the update is in the processing (algorithm stuff) so they store the data elsewhere so they can take the processing side of things off line for a software update? Wouldn't a slow propogation of a software update through the various datacentres (one at a time) just mean that some of the datacentres have the new and improved way of doing things delayed by half an hour? Program has been running for years so that would that delay be significant? Or do you reckon things would be broken if old data was fed to new datacentres? This really is a serious question based on me not knowing anything rather than some kind of crazy internet sarcasm.

Sticking with my database theory - Given the database has to be shared with the Adwords people I'd wager they might be adding columns on the 8th August maintenance event this weekend: [webmasterworld.com...]

11:00 pm on Aug 7, 2008 (gmt 0)

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All that I write is speculation + some crazy sarcasm by default.

Wouldn't a slow propogation of a software update through the various datacentres (one at a time) just mean that some of the datacentres have the new and improved way of doing things delayed by half an hour

What I'm suggesting is that all the raw data processing is put on hold till the new code has been both fully propagated and tested first, only then the earnings flood gates are opened for raw data to be processed by all data centers running the new code gradually over many hours (or perhaps even days depending on how much raw data has accumilated) till we are close to normal live + preset delay status again.

6:33 am on Aug 8, 2008 (gmt 0)

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During maintenance, raw data is redirected from processing into storage mode, this includes all the traffic and clicks logs plus every thing else Google collects, think of it as a huge bucket filling up.

Is that blue Prius with the number plate 1HOBBS that parks at The Plex yours?

5:04 pm on Aug 8, 2008 (gmt 0)

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That makes perfect sense to me now. If the code is being updated it would make sense not to try to process data at the same time, so there would be nothing to see apart from updation delays and any glitches that would presumably be ironed out by all the testing or the following weeks maintenance. So nothing to do with moving the database after all.

It's all very clever stuff. Delays in processing stored data would explain why the maintenance days often seem to be low earners, but a couple of days later there might be an above average day.

10:11 am on Aug 9, 2008 (gmt 0)

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The overflow to other days is mentioned here a lot even on non maintenance days, glad if it's a comfort on slow days that follow, but for most maintenances, I've seen the day eventually catch up to expected highs or lows.

If you remember only a couple years back, Google used to allow us access to reports only after all metrics have been fully processed, nowadays it's a slow trickle, perhaps a sign of overbooked resources serving an astronomical number or publishers, also a sign that Google will be more picky about the sites it allows to serve ads (see many recent banned threads and invalid clicks AdSense blog post).

[edited by: Hobbs at 10:12 am (utc) on Aug. 9, 2008]

9:15 pm on Aug 9, 2008 (gmt 0)

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Looks like at this point, 2:15pm PDT, it's taking them a bit longer than expected. Hope everything's going ok.
9:54 pm on Aug 9, 2008 (gmt 0)

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It's happened before where it's ran over the allotted time.

No need to worry.

10:31 pm on Aug 9, 2008 (gmt 0)

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3:30 PM- still no AdSense. Maybe Google went out of business?
10:45 pm on Aug 9, 2008 (gmt 0)

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i am able to login, but info seems far behind.
10:49 pm on Aug 9, 2008 (gmt 0)

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Again they return with very outdated stats... Last time it finally caught up in a few hours. Still it is unsettling to see this morning's figures at 5 PM.
11:34 pm on Aug 9, 2008 (gmt 0)

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It's the usual post-maintenance stats delay.
11:45 pm on Aug 9, 2008 (gmt 0)

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...the usual post-maintenance stats delay.

This is only the second time in my experience, maybe two is a trend but I wouldn't call it usual just yet.
12:06 am on Aug 10, 2008 (gmt 0)

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Yup it IS usual for me. Every single time and I'm not even confident they actually catch up TBH. Most maintainance days end up being bad days.
12:11 am on Aug 10, 2008 (gmt 0)

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yep, no catch up - I have stats appropriate for 10 am, when its 5 pm. All traffic for the the time of the maintenance is just gone. As is normal, google just steals all the clicks and traffic for the time when every thing is down for maintenance.

Chris

12:53 am on Aug 10, 2008 (gmt 0)

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Glad to see I'm not the only one seeing it stuck.

As is normal, google just steals all the clicks and traffic for the time when every thing is down for maintenance.

AdSense is bad, AdSense steals from us, you cancel AdSense first, let us know how it works out for you.

12:58 am on Aug 10, 2008 (gmt 0)

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Took almost a full minute, on my 3rd try, just to get onto the reports page so I'm not really surprised the stats are stuck.
1:55 am on Aug 10, 2008 (gmt 0)

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eventhough it's happening everytime at the time of maintenance, today also there is a lack in stats.
2:21 am on Aug 10, 2008 (gmt 0)

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Only the past two weeks have I seen this delay, but stats have always returned to normal by the day after all previous maintenance periods. As a former programmer, I can understand that it is in the realm of possibility that there would be issues with these complex interrelated systems. What I find remarkable is the reporting speed and database response time considering the demands. I am more amazed by the consistencies in the data than reports of any unusual inconsistencies. But those who know the future are so wealthy they need not be checking their stats...

I would say to all: Relax or diversify -- or both.

I don't see how ad hominem attacks on the moderator -- who is preventing discourse from turning into flaming and statements lacking evidence -- serves any purpose.

[edited by: honestman at 2:39 am (utc) on Aug. 10, 2008]

2:23 am on Aug 10, 2008 (gmt 0)

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you cancel AdSense first, let us know how it works out for you.

I guess it's a moderator's job to kiss ass.

But does anyone deny that adsense earning are lower on the days when site maintenance occurs?

Perhaps google loses clicks while adsense is down, so there is no 'stealing' going on. But I haven't seen them address this matter.

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