7 Concurrency
Chapter Outline:
- 7.1. Inter-Process Locks (
db.lock)- Creating a critical section:
with db.lock("my_task", timeout=10): ... - Guarantees: Fair (FIFO) and Deadlock-Proof (via TTL).
- Creating a critical section:
- 7.2. Atomic Operations on Data Structures
- Locking a specific manager:
with db.dict("config") as config: ... - Use Case: Atomically getting and processing a batch of items from a queue.
- Locking a specific manager: