Subject/Distributed-System

Generalized Isolation Level Definitions

Personal notes on the Generalized Isolation Level Definitions paper that was published in 2000.

CockroachDB, The Resilient Geo-Distributed SQL Database

Personal notes on the CockroachDB paper that was presented in SIGMOD 2020.

Web3

Notes Bittorrent Bittorrent is already a decentralized file sharing platform. How does bittorrent work? When a client receives a .torrent file, it uses the DHT embedded inside the .torrent file to contact the nearest node in the swarm. Once its connected, files can be transferred in a peer to peer way. Problem with Bittorrent There is no incentive for anyone to keep sharing files. IPFS We can store the map of file hash to the file contents in the blockchain using smart contract. This can cause the blockchain storage requirements to explode. ...