Showing posts with label Paul Strong. Show all posts
Showing posts with label Paul Strong. Show all posts

Mar 18, 2009

The eBay way

Hi,

I received from Shachar Zehavi, our new director of R&D, a link to Chris Kasten's presentation regarding eBay

In this presentation Chris presents a simple but very clever solution to support 4 billion events per day on 25 commodity servers. Why instead of using complex in memory databases solutions? not using MySQL as the ultimate grid solution?

What are the key components in eBay solution:
1. In memory database: implementation using MySQL in memory engine
2. HA: implemented using MySQL replication between two different MySQL in memory databases
3. Persistence: implementation using batch process once in 5min. In this case the store is done using InnoDB one.
4. Scalability: can b achieved using horizontal sharding

The number described in this presentation (4 billion requests per day using 25 machines) remind me another presenation of Paul Strong, distinguished research scientist from eBay. This presensation at the IGT2008 - The World Summit of Cloud Computing described eBay numbers and challenges including: 150 Billion request per day which is about 200K requests per second, which is a remarkable number.

Keep Performing,
Moshe Kaplan. RockeTier. The Performance Experts.

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