Deduplication
Everything on SkillVeris tagged Deduplication — collected across the glossary, study notes, blog, and cheat sheets.
6 resources across 1 library
Interview Questions(6)
How Would You Design Dropbox?
Designing Dropbox means building a chunked file-storage system where files are split into fixed-size blocks, deduplicated and uploaded individually to blob sto…
How to Design a Web Crawler
A web crawler is designed as a distributed pipeline of a URL frontier, fetchers, parsers, and a dedup/storage layer, where politeness rules, priority schedulin…
How to Design an Ad Click Aggregator
An ad click aggregator ingests a high-throughput stream of click events, deduplicates and validates them, then rolls them up into per-ad, per-time-window count…
How to Design a URL Crawler Frontier
A URL crawler frontier is the prioritized, politeness-aware queue that decides which URL a crawler fetches next, combining per-host rate limiting, priority sco…
How to Design a File Sync Service
A file sync service (like Dropbox) splits files into fixed-size chunks, uploads only changed chunks to block storage identified by content hash, and keeps a me…
What Is Content-Addressable Storage?
Content-addressable storage (CAS) identifies and retrieves data by a hash computed from its own content rather than by a location-based path or key, so two ide…