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Numbers Everyone Should Know - High Scalability -

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2009-02-18T16:14:35.000Z

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High Scalability

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Numbers Everyone Should Know - High Scalability -

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Google AppEngine Numbers This group of numbers is from Brett Slatkin in Building Scalable Web Ap...

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Numbers Everyone Should Know - High Scalability -

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Google AppEngine Numbers This group of numbers is from Brett Slatkin in Building Scalable Web Apps with Google App Engine. Writes are expensive! Datastore is transactional: writes require disk access Disk access means disk seeks Rule of thumb: 10ms for a disk seek Simple math: 1s / 10ms = 100 seeks/sec

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