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360 Tech Engineering
360 Tech Engineering
May 24, 2018 · Operations

Common Short‑Connection Errors [99] and [110] in Linux: Causes, Code Analysis, and Optimizations

This article examines why frequent short‑lived TCP connections on Linux trigger the [99] could not assign requested address and [110] connection timeout errors, explains the underlying TIME‑WAIT port exhaustion and listen‑queue overflow mechanisms, and offers verification experiments and practical mitigation strategies.

Network TuningTCPTIME_WAIT
0 likes · 8 min read
Common Short‑Connection Errors [99] and [110] in Linux: Causes, Code Analysis, and Optimizations
360 Zhihui Cloud Developer
360 Zhihui Cloud Developer
May 22, 2018 · Backend Development

Why Short TCP Connections Fail: Decoding Errors 110 & 99 and Fixes

When clients frequently use short TCP connections they often encounter error 110 (connection timeout) and error 99 (cannot assign requested address), which stem from TIME‑WAIT port exhaustion and server listen‑queue overflow, and this article explains the causes and practical solutions.

Connection TimeoutEADDRNOTAVAILLinux kernel
0 likes · 9 min read
Why Short TCP Connections Fail: Decoding Errors 110 & 99 and Fixes