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Изворен канал @pythonotes · Post #425 · 20 апр.

Недавно делал быстрый прототип асинхронного приложения в котором требовалось вызывать много синхронного кода. Да, я знаю, что это не лучший дизайн, но нужно было быстрое решение на один процесс и без очередей. Поэтому я выполнял код в потоках. Выглядело это примерно так: from fastapi.concurrency import run_in_threadpool async def execute(data: DataRequest) -> DataResponse: try: result = await run_in_threadpool(sync_function, data) return DataResponse(data=result) except Exception as e: return DataResponse( error=str(e), success=False, ) В общем работает нормально. Для всех вызовов под капотом используется общий тредпул, всё работает предсказуемо. Но потребовалось изменить количество запускаемых в пуле потоков (по умолчанию создается 40 воркеров). Так как дело происходит с FastAPI, делается это через lifespan используя настройки anyio: import anyio @asynccontextmanager async def lifespan(app: FastAPI): limiter = anyio.to_thread.current_default_thread_limiter() limiter.total_tokens = 100 yield # если вдруг нужно вернуть обратно limiter.total_tokens = 40 Зачем менять количество воркеров? - уменьшить, если оперативки мало (один тред занимает ~8мб) - увеличить чтобы выдержать нагрузку Если есть предложения получше при тех же вводных - предлагайте😉 #async

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Crypto M - Crypto News

@CryptoM · Post #65371 · 13.04.2026 г., 02:55

🚀 BTC Decline Affects Whale's Investment Strategy On April 13, BTC experienced a slight decline, impacting the HYPE token, which fell before recovering above $41. According to BlockBeats, a major investor known for profiting from a long BTC exchange rate strategy is facing pressure, with a capital withdrawal of $1.9 million this week. The investor currently holds a BTC long position with 40x leverage, valued at $30.06 million at an average price of $70,557, and a HYPE short position with 5x leverage, valued at $23.03 million at an average price of $38.93. The positions were established during a previous HYPE surge, with the full setup completed by March 20, totaling approximately $53 million. Since the establishment of these positions, the investor has incurred a net loss of about $1.32 million, with the portfolio yet to achieve positive returns. #BTC#HYPE#WhaleInvestment#Leverage#CapitalWithdrawal#CryptoStrategy#BTCDecline#InvestmentLoss#CryptoMarket

Crypto M - Crypto News

@CryptoM · Post #64862 · 10.04.2026 г., 05:14

🚀 Cryptocurrency Whale Faces Losses Amid Market Fluctuations On April 10, according to BlockBeats, monitoring by Hyperinsight revealed that a major cryptocurrency investor, known for leveraging market downturns, has faced challenges with their trading strategy. This investor has historically profited by betting on the 'BTC/altcoin' exchange rate during market declines. However, with Bitcoin stabilizing and HYPE gaining strength, surpassing $40 with a daily increase of over 5%, both sides of the investor's strategy are under pressure, resulting in a daily capital withdrawal of $900,000. Currently, the investor holds a long position in Bitcoin with a 40x leverage, valued at $30.4 million, and a short position in HYPE with a 5x leverage, valued at $23.2 million. The investor began positioning during HYPE's previous surge and completed their setup by March 20, with a total scale of approximately $53 million. Since then, they have incurred a net loss of about $300,000, without achieving positive returns. Previously, this investor employed a similar strategy, investing around $50 million to go long on Bitcoin while shorting eight other cryptocurrencies, including ETH, XRP, and ADA. This approach proved successful, maintaining a total cycle profit of approximately $37.1 million. #Cryptocurrency#Whale#MarketFluctuations#Bitcoin#HYPE#Leverage#CapitalWithdrawal#BTC#Altcoin#InvestorLosses#CryptoStrategy#BlockBeats#Hyperinsight#XRP