并发会话是指同时运行的多个活动连接或进程。在 代理网络，并发会话允许使用不同的 IP 同时发送多个请求，从而提高了效率和可扩展性。
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用例
Web Scraping at Scale
When running a large scraper, each thread may open its own session through the proxy. More concurrent sessions mean more pages collected in less time.
E-commerce and Sneaker Bots
Sneaker bots often launch hundreds of checkout tasks in parallel. Each task uses a concurrent session, which is why session limits directly impact bot performance.
Data Collection Across APIs
Proxies enable automated queries to APIs. Concurrent sessions let you send multiple requests simultaneously without waiting for one to finish before starting another.
最佳实践
Match Your Plan to Your Needs
If you run a lightweight script, a low session cap is fine. But for high-volume scraping, choose a plan with enough concurrent sessions to avoid bottlenecks.
Close Idle Sessions
Don’t leave unused sessions open. Idle sessions still count toward your cap and can block new connections.
Use Rotation Wisely
Pair session concurrency with IP rotation. This avoids suspicious spikes in traffic from a single IP, reducing the risk of bans.
结论
A concurrent session is simply one active connection through a proxy. Running multiple sessions at the same time speeds up tasks like scraping, but also consumes more of your allocated session pool. Managing them well keeps your proxies efficient, prevents errors, and ensures you stay within provider limits.
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经常问的问题
Are concurrent sessions the same as bandwidth?
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No. Sessions are about simultaneous connections, while bandwidth measures the total volume of data transferred.
What happens if I exceed my concurrent session limit?
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Your provider may throttle new requests, reject them, or terminate idle sessions until you drop back under the cap.
Can multiple users share one account’s concurrent sessions?
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Yes, but the limit applies to the whole account. If one teammate uses 50 sessions and another uses 70, that’s 120 total—possibly exceeding your plan’s limit.
How do concurrent sessions differ from concurrent logins?
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A login is simply signing into the proxy network. Sessions are the ongoing connections after login. One login can spawn many sessions.
