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Concurrency & performance

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

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Concurrency & performance medium

How to Implement a Batch Requests Flush Interval in Python

A simple async batcher that accumulates items and flushes them either when a max batch size is reached or after a time-based flush interval.

asyncio batching concurrency
Python 
import asyncio
from collections import deque

class Batcher:
    def __init__(self, flush_interval=0.5, max_batch=5):
        self.flush_interval = flush_interval
        self.max_batch = max_batch
        self.queue = deque()
        self.lock = asyncio.Lock()

    async def add(self, item):
        async with self.l…
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