// TOPIC
#hashing
2 articles
◆BeginnerGoogleAmazon
01Design a URL Shortener (TinyURL / bit.ly)
A classic FAANG warmup. Generate short codes, store them, redirect fast, scale to billions of URLs.
#interview#hashing#caching
13 min◆◆IntermediateAmazonMeta
02Consistent Hashing
Why hash-mod-N breaks when you resize, and how Amazon Dynamo, Cassandra, and Memcached avoid it with consistent hashing and virtual nodes.
#distributed-systems#hashing#sharding
9 min