/blog/Notes on distributed systems, Go, and making large systems cheaper and faster.enCopyright (c) 2024-2026 Manuj GroverSat, 03 Oct 2026 13:00:00 +0530/blog/where-a-mongodb-request-waits/Sat, 03 Oct 2026 13:00:00 +0530/blog/where-a-mongodb-request-waits/Our MongoDB primary hit 100% CPU and we fixed it by keeping more connections open. Following one request from a goroutine to WiredTiger, and rebuilding the incident in a lab, showed that the pool decides where requests wait, not how fast they’re served./blog/covering-a-delivery-zone/Sat, 29 Aug 2026 00:36:52 +0530/blog/covering-a-delivery-zone/The internet has a lot of confident prose about spatial indexes and almost no numbers. I spent two weeks producing some./blog/untangling-docker-bridge-networks/Sat, 14 Sep 2024 20:47:22 +0530/blog/untangling-docker-bridge-networks/Docker networking may seem simple, but understanding bridge networks is key to building robust containerized applications!/blog/scaling-secure-file-uploads/Sat, 07 Sep 2024 16:27:22 +0530/blog/scaling-secure-file-uploads/File uploads may seems trivial, but scaling it is the real challenge!