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Salesforce.com's Heroku frustrates rapidly growing Rap Genius

Joab Jackson | Feb. 15, 2013
One of the largest customers of Salesforce.com's Heroku has charged that the performance of the platform as a service (PaaS) has degraded since Heroku re-engineered the way in which it queues work jobs.

"How much longer would it take to get out of the store? How much more time would the checkout clerks spend idling?" Somers wrote. 

The upshot is that customers such as Rap Genius now have to procure more virtual servers, or Dynos, as Heroku calls them, to execute the same amount of work within the same response time. Somers estimated that a workload that could be handled by 80 servers with the old intelligent routing would require as many as 4,000 servers with the new random routing. 

While Heroku did not comment on the specifics of any changes it has made with its routing practices, other industry observers took note. 

"If this is true it is pretty bad," wrote John Mount, a consultant at data science consulting firm Win-Vector LLC, in a blog post about the issue. "Randomized routing is very bad with near certainty." 

 

 

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