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Concurrency & performance

asyncio, threading, multiprocessing, and profiling-friendly performance patterns.

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Concurrency & performance medium

How to Pause and Resume Threads with threading.Event in Python

Use threading.Event to pause and resume worker threads in Python, controlling execution flow with set and clear methods.

threading events concurrency
Python
import threading
import time

workers = []

def worker(name, event):
    for i in range(10):
        event.wait()
        print(f"{name} step {i}")
        time.sleep(0.1)

def pause_worker(name):
    global pause_event
    for w in workers:
        if w.name == name:
            pause_event.clear()
            print(…
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