Using Distributed Locking To Solve Race Conditions (and why a simple solution works better)
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Ever wondered how email services ensure each user has a unique email address, even under heavy load? Dive into the world of email uniqueness, concurrency challenges, and the role of distributed locking in maintaining data integrity. This video demystifies the technical complexities behind guaranteeing email uniqueness in a distributed environment.
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Chapters
0:00 Explaining Race Conditions
2:43 Using the lock statement
3:13 Using a Semaphore (Mutex)
5:17 Distributed Locking - Postgres advisory lock
9:01 Domain model and uniqueness
10:08 Unique index, handling database exceptions
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