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Why does digg need so many servers?

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Re: Why does digg need so many servers?

#42
The difference is that digg has network information (IE: Followers). Stack overflow doesn't.

Think through the ramifications of each of these page flows:

1. Give me this question and everybody who commented on it.

2. Give me every post that this user is following has made over the last n days.

That's why.

Re: Why does digg need so many servers?

#44
post #42

The difference is that digg has network information (IE: Followers). Stack overflow doesn't. Think through the ramifications of each of these page flows: 1. Give me this question and everybody who commented on it. 2. Give me every post that this user is following has made over the last n days. That's why.

I think this is exactly it. You can't compare a comment thread on Digg to a Question on SO.

Re: Why does digg need so many servers?

#45
post #3

Just as perplexing, why do they need ~68 employees ( http://about.digg.com/team ). My counting may be off by 1-2, but last I checked Reddit is coming up on them traffic-wise ( http://siteanalytics.compete.com/reddit.com+digg.com/ ), and only has 7 employees? And I'm pretty sure Reddit doesn't have 500 servers either, although I could be wrong. Both sites offer very similar functionality. While past its peak, Slashdot…

My understanding (which is, to say, belief built up over watching the companies from outside) is that Reddit is currently running what could best be described as a skeleton crew: Conde Nast won't fund them, so they're just trying to keep the ship afloat and don't have time for anything else. Digg has scaled to the size of a company that, for a couple of years now, has considered itself just on the tipping point of "s…

But that's the funny thing, is the Reddit is growing and Digg is shrinking- despite their staffing. Reddit does a much better job at allowing the community to manage themselves on a volunteer basis with the moderators/admins of the subreddits than Digg.

Re: Why does digg need so many servers?

#47
post #26
post #22

Earlier quoted context omitted.

My guess is that Reddit won't be able to innovate much with that level of staffing, they are basically just keeping it running - but maybe that's ok, since they have already been bought. Slashdot has been the same for a long time too, but they are also not looking for a big exit. Digg has had $40m in funding [ http://www.crunchbase.com/company/digg ] and so unless it sells for $200m+ the investors will most likely se…

Absolutely. Every time someone trots out "And Reddit only has 7 guys", I think to myself that they're innovating as if they had 3. Say what you will about Digg, but at least they rolled out new software.

Say what you will about Digg, but at least they rolled out new software.

Digg is a discussion site, not an operating system -- what is the value in "rolling out new software"?

Digg's value is in the quality of the discussion and community; "innovation" that doesn't improve that is pointless. Look at HN: it remains nearly as minimalist as always, and mostly receives occasional tweaks and performance improvements.

Re: Why does digg need so many servers?

#49
post #16

My last job served around 30-40 million pages a month on 4 servers that used ASP.Net and SQL Server 2000. The only server whose CPU utilization was over 20% was the database server. I'm not sure the CPU utilization on the web servers ever went above 10%. A friend of mine's company has a tough time keeping up with 500,000 page views a month using more equipment. They're using PHP and MySQL.

And Michael Schumacher with a compact can beat you on a sports car.

Not in a drag race where he's driving a Yugo and you're driving a Ford GT. Unless you crash of course.

Re: Why does digg need so many servers?

#50

My last job served around 30-40 million pages a month on 4 servers that used ASP.Net and SQL Server 2000. The only server whose CPU utilization was over 20% was the database server. I'm not sure the CPU utilization on the web servers ever went above 10%. A friend of mine's company has a tough time keeping up with 500,000 page views a month using more equipment. They're using PHP and MySQL.

What types of servers in terms of CPU cores and RAM? Microsoft's licensing structure makes it much cheaper to scale up instead of scaling out.
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