Cássius Paim·1d agoShared Resources, Hidden State: Why Pools and Caches Fail in Surprising WaysHow I analyze connection pools, distributed caches, and the state contracts behind safe reuse
Sanveer Osahan·5d agoDatabase Connection Mistakes That Cause System OutagesIntroductionA response icon1
Kevin Tung·Oct 27Request 1,001 Failed. CPU Was Idle, the Server Was Fine, and We Were Out of Ports.A client that opens a new connection per request parks every port in TIME_WAIT for a minute. With 1,000 ports, request 1,001 failed in…
Rufus Kehinde·Oct 26The Hidden Numbers That Decide How Many Users You Can Serve: Connection Pools, Worker Limits, and…The petrol station A petrol station has four pumps. Cars arrive, fill up and leave, and life is good. Then one driver parks at a pump and…
Cássius Paim·Oct 17Connection Pooling Is State Management: What Go 1.27 Changed in net/httpHow I examine HTTP/1 connection reuse across Go 1.26 and Go 1.27, and what it reveals about protocol state, bounded cleanup, and production…