Twitter On Life Support; Gets Ready for Apple WWDC
Well Twitter has gotten itself on a life support machine as it gets ready for the inevitable traffic surge during the most anticipated Apple Worldwide Developer’s Conference which kicks off tomorrow. Twitter, which is widely known for its downtime issues than what is is actually good for, says it has done some tweaking, fixed and implemented some changes to the architecture to handle the traffic surge.
We’ve moved much of the load off our database by utilizing more memcache, employing more read-slave servers, and by fixing some bugs for improved efficiency. This work is in intended to help handle the load and keep Twitter up and running while Steve Jobs talks about all the new products and services Apple has planned. Of course these improvements will continue to serve Twitter beyond the WWDC as well.
Even though Twitter say that these changes will carry it beyond tomorrow, it still shows the changes are just a work-around of the problems they have had rather than a ground up re-architecture of the infrastructure.
if the In the event that our estimates and preparations fail, we have designed a way to keep Twitter updates moving quickly through the system to their respective recipients…Should it become necessary to shed incoming load quickly, we can turn off features such as stats, pagination, and several others to preserve the reliability and timeliness of your Twitter timeline.
If the problems have been solved then there will be no need to turn off features if traffic spikes. Well it looks like just papering the cracks; hence being on life support.

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