52 lines
1.7 KiB
Markdown
52 lines
1.7 KiB
Markdown
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---
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layout: page
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title: System Design - Concepts
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---
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other system design resources
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----------
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- [reddit udacity architecture course](https://www.youtube.com/watch?v=pjNTgULVVf4&list=PLVi1LmRuKQ0NINQfjKLVen7J2lZFL35wP)
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- [harvard scalabilty course](https://www.youtube.com/watch?v=-W9F__D3oY4)
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- [grokking system design interviews](https://www.youtube.com/watch?v=ZgdS0EUmn70&list=PL73KFetZlkJSZ9vTDSJ1swZhe6CIYkqTL)
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- https://github.com/donnemartin/system-design-primer
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[back of the envelope calculations](https://www.reddit.com/r/cscareerquestions/comments/6c3x0h/for_system_design_interview_questions_are_back_of/)
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[back of the envelope](https://itsallbinary.com/system-design-back-of-envelop-calculations-for-storage-size-bandwidth-traffic-etc-estimates/)
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___________________
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[architecting systems for scale](https://lethain.com/introduction-to-architecting-systems-for-scale/)
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[github - system design premier](https://github.com/donnemartin/system-design-primer#system-design-topics-start-here)
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- Message Queues (RabbitMQ and kafka)
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- buffer where producers add expensive workload tasks
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- worker consumers take and process tasks
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- Periodic Tasks
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- Like 'link cleanup service' in link shortener
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- Map-Reduce
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- once you start sharding your DB and SQL queries don't work
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- distributed data processing
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- Platform Layer
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- an interface for other microservices to interact with a 3rd party
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- long polling vs websockets vs server-sent events
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- ajax polling
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- many http reqs and responses
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- http long-polling (hanging GET)
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- client expects the server to not respond immediately
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- web-sockets
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- full deplex communication over tcp connection
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- server sent events
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