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#announcements
Title
# announcements
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few-electrician-23747

03/14/2023, 6:09 AM
Hi All!! Where can I find the architecture for Growthbook? I have tried to search throughout but cannot get. Also is there any benchmarking done ?
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fresh-football-47124

03/14/2023, 6:16 AM
Hi Star
what kind of architecture do you want?
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few-electrician-23747

03/14/2023, 6:27 AM
Like about growthbook architecture.
We know it's built of Typescript but what about the backend, how does it use click house or any time streaming database.
What all database it uses. The flow from UI to SDK etc
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fresh-football-47124

03/14/2023, 6:32 AM
okay, here is a very high level
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few-electrician-23747

03/14/2023, 6:34 AM
And what about events and streaming? Like how metric calculation is done?
And I am also not able to find any scalability information. Is there any benchmarking done?
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fresh-football-47124

03/14/2023, 6:39 AM
GrowthBook - Data Flow Diagram.pdf
We scale really well - we have customers with 300M monthly users
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few-electrician-23747

03/14/2023, 6:41 AM
great
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fresh-football-47124

03/14/2023, 6:41 AM
but everything is designed to be cacheable and completely horizontally scalable. The event streaming is not done by GrowthBook. Metric calculation is done with SQL (depending on what you’re using), and there are ways to make it very fast - but this depends on your data.
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few-electrician-23747

03/14/2023, 6:42 AM
ok
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fresh-football-47124

03/14/2023, 6:44 AM
Happy to jump on a quick call if you have any questions
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few-electrician-23747

03/14/2023, 6:45 AM
sure will connect with you in some time Graham
Can we have multivariant switches. Like more than 2 numbers ?
let say 1 , 2 and 3
or A/B/C testing
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fresh-football-47124

03/14/2023, 7:03 AM
yes
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few-electrician-23747

03/15/2023, 1:19 PM
It will be really helpful if we can connect
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