Sahil Gupta·Aug 1850 Threads Missed the Same Cache Key. I Expected 1 Database Query. I Got 50.A small, measured experiment in why “add TTL jitter” and “add single-flight” are not the same fix.A response icon1
Jake·May 26How to Indent Cells in Google Sheets and ExcelIndenting cells in excel/google sheets is usually the best practice when formatting your model — I’ve seen folks use a tab space within…
Shashwat Singh·Jan 25The hotspot key problemWe know about Consistent Hashing and the problem it solves. For those who are unaware of Consistent Hashing in a nutshell — it’s a very…
szeyusim·Nov 14, 2025How I Built a One-Click Timetable Toggle on LinuxA Small Hack That Makes My Day Smoother
Sumedha Khatter·Sep 30, 2025Solve the “hot key” (a.k.a. hotspot key) in a cache/store like RedisProblem Statement: One key gets hammered by huge, concurrent traffic so all requests land on the same hash-slot/node and that node chokes…