https://zaidishahbaz.com/blog Software Engineer sharing tech essays, travel stories, book notes, and paper annotations. en-us shahbazzaidi15@gmail.com (Shahbaz Zaidi) shahbazzaidi15@gmail.com (Shahbaz Zaidi) Wed, 08 Nov 2023 00:00:00 GMT https://zaidishahbaz.com/blog/meta-cache-invalidation https://zaidishahbaz.com/blog/meta-cache-invalidation Notes on how Meta solved the cache invalidation problem at scale using a system called Polaris that guarantees cache consistency without sacrificing performance. Wed, 08 Nov 2023 00:00:00 GMT shahbazzaidi15@gmail.com (Shahbaz Zaidi) cachingdistributed-systemsmetaconsistency