Notes on System Design

These are hectic notes on a book “System design interview” by Alex Xu. chapter 1 read-through cache strategy — check if we have a response cached, if we do return it, if not then fetch data from a database, cache it and return result GeoDNS is a patch for BIND DNS server software that allows for geographical split horizon A few words about caching strategy. Your caching strategy depends on your data access patterns. Is your system write heavy, read heavy, results are always should be unique ? ...

October 30, 2021 · 10 min · 2039 words