Why Pods Suddenly Fail with “Address not available” and How to Fix It

When a Kubernetes pod that previously created connections stops working and reports “Address not available”, the root cause is often exhaustion of the kernel’s random port range, which can be resolved by adjusting net.ipv4.ip_local_port_range and aligning it with ServiceNodePortRange settings.

Cloud NativeEADDRNOTAVAILKubernetes

0 likes · 12 min read

Why Pods Suddenly Fail with “Address not available” and How to Fix It

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.

EADDRNOTAVAILLinux kernelTCP

0 likes · 9 min read

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