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Microservices patterns

Service boundaries, discovery, inter-service calls, and decomposition patterns.

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Microservices patterns medium

Bulkhead Thread Pool per Service Mock in Python

Simulates a bulkhead pattern with per-service thread pools and semaphore-based rejection to isolate failures between dependent services.

bulkhead threadpool semaphore
Python 
import threading
import time
import random
from concurrent.futures import ThreadPoolExecutor

class ServiceBulkhead:
    def __init__(self, name, max_threads, max_queue):
        self.name = name
        self.executor = ThreadPoolExecutor(max_workers=max_threads)
        self.semaphore = threading.Semaphore(max_thread…
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