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Hello, I think I have confused myself a bit so needed clarification. The System ...
Furquan Amanat
Jan 1, 2022
Hello, I think I have confused myself a bit so needed clarification. The System Design is based off RDBMS DB like MySQL, correct? While the Reservation/Waiting service is looking up data in Key:Value pairing is in memory. Am I correct in the assumption?
if its SQL DB, how are we strengthening the availability? can this design be implemented in NoSQL db with normalized database, I understand that we may have to code for consistency exclusively; but would that be a good design decision if at all ?
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Design Gurus4 years ago
Yes, the database is designed for RDBMs, mostly because we have a lot of relations to store.
Your other observation is correct too, both Active-Reservation and Waiting-Users services are storing their data in memory (some data structure like Linked HashMap).
High ava...
Selva Da year ago
SQL DB with primary secondary for availability.