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Reliability & rate limiting

Retries, exponential backoff, circuit breakers, token buckets, and idempotent handlers.

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Reliability & rate limiting easy

Rate Limiting with Queue Rejection in Python

Simulates a load shed pattern that rejects tasks when a queue fills up.

rate-limiting queue deque
Python 
from collections import deque
import time


class RateLimiter:
    def __init__(self, max_queue_size=3):
        self.queue = deque()
        self.max_queue_size = max_queue_size
        self.rejected_count = 0

    def submit(self, task_name):
        if len(self.queue) >= self.max_queue_size:
            self.reject…
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