[Seaside] Seaside Scaling - How successful?

Ramon Leon ramon.leon at allresnet.com
Mon Aug 18 19:41:37 UTC 2008

> Scalability - How does one scale Seaside?  I've seen GemStone/S to  
> help with persistence and using Apache for static content.  
> These seem  
> very logical, but I'm still wondering what it takes in hardware to  
> support 1K, 10K and 100K unique visitors per month to a 
> Seaside based  
> site.  I know this will be code dependent, but I'm interested in  
> seeing 1) if its even possible to hit in excess of 100K visitors per  
> month and 2) what it would take from a hardware perspective to hit  
> this number of visitors.
> Success Stories - Any success stories where a site is servicing in  
> excess of 5K visitors per day using Seaside?  If so, what did 
> it take  
> to get here and would you do it again?  How are you handling  
> persistence?  What is your limit based on current hardware/software?


I'm doing around 80,000 uniques, just over a quarter million page views, a
month on this config on a single dual xeon dell 1850.  I've got two 1850's
for the site but one server handles the load easily enough I've kept the
second offline.  With 4 gigs of ram I still have just over a gig free and
the typical image runs at about 70 meg or so.  Rarely see the CPU spike
above 40% and it's mostly under 10% on average.

The site accesses all its persistent data through web services using the
Squeak SOAP client.

Ramon Leon

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