Troubleshooting a Connection Timeout Issue with tcp_tw_recycle Enabled

Topics: Cloud, Performance Engineering

Availability and stability are very important for eBay's site, especially for those applications that take high traffic and are dependent on many other applications, such as CAL (our Centralized Application Logging framework). This blog shares an issue that happened recently that impacted the availability and stability of CAL, and how we found out the root cause using tcpdump and systemtap.