ZFX + Developia

Jitter - Add Entropy Back into Your System

• Hot word in their group all of the time. If your system doesn’t jitter then you get thundering herds. Distributed applications are really weather systems. Debugging them is as deterministic as predicting the weather. Jitter introduces more randomness because surprisingly, things tend to stack up.
• For example, cache expirations. For a popular video they cache things as best they can. The most popular video they might cache for 24 hours. If everything expires at one time then every machine will calculate the expiration at the same time. This creates a thundering herd.
• By jittering you are saying randomly expire between 18-30 hours. That prevents things from stacking up. They use this all over the place. Systems have a tendency to self synchronize as operations line up and try to destroy themselves. Fascinating to watch. You get slow disk system on one machine and everybody is waiting on a request so all of a sudden all these other requests on all these other machines are completely synchronized. This happens when you have many machines and you have many events. Each one actually removes entropy from the system so you have to add some back in.

develop, Zitat Gabe Newell hat geschrieben:The real question is, are people going to spend time playing games or browse the internet or watch movies? [...] The reality is, anyone who plays a great game and has a great time is more likely to buy another game. Our biggest issue is that shitty games are much worse for us as an industry overall.
It’s not like you go ‘oh good that customer has dollars in their pocket, they can spend them on my game’. It’s more like they just aren’t going to buy games in general, or go do something else with their time, [if they play a game they don’t enjoy].

They Write the Right Stuff: As the 120-ton space shuttle sits surrounded by almost 4 million pounds of rocket fuel, exhaling noxious fumes, visibly impatient to defy gravity, its on-board computers take command.

via Twitter hat geschrieben:That Oracle vs Google judge who learned Java, to understand the case better? His middle name is Haskell! http://en.wikipedia.org/wiki/William_Haskell_Alsup

Groupees has launched Build A Bundle 2, a pay-what-you-want collection in which buyers can pick and choose among the games they want to purchase.

Twelve games are up for grabs here: Dead Horde, Iron Grip: Warlord, Will Fight for Food, Dino D-Day, Syberia II, A Stroke of Fate: Operation Valkyrie, Depth Hunter, Hammerfight, Alien Breed: Impact, DogFighter, and Postal. Most games include Steam keys, and the rest are redeemable at Desura.

The bundle is available for a minimum price of $3 (which includes your choice of three games), and the whole pack can be purchased for $8.40. Bonus items, including downloadable soundtracks and at least one additional game, will be released to buyers throughout the week.

CodingCat hat geschrieben:Mein Monitor ist ganz sicher nicht kalibriert