Tag: design-system
All the articles with the tag "design-system".
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System Design - How B+ Trees Power Every Database Index
How B+ trees work: node structure, search, insertion with splits, deletion with merges, disk I/O optimization, and why virtually every relational database uses them for indexing.
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System Design - How Write-Ahead Logging (WAL) Works
How Write-Ahead Logging (WAL) works: the core protocol behind database durability and crash recovery. Covers the WAL principle, record structure, buffer management, checkpoints, crash recovery, and a source code walkthrough from PostgreSQL.
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System Design - How LSM Trees Work (The Engine Behind RocksDB, LevelDB, and Cassandra)
How Log-Structured Merge Trees (LSM Trees) work: the write-optimized data structure behind RocksDB, LevelDB, Cassandra, and TiKV. Covers memtable, WAL, SSTables, compaction strategies, bloom filters, and a source code walkthrough from the facebook/rocksdb repository.
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System Design - How Consistent Hashing Works
How consistent hashing works: the problem with naive hashing, the hash ring, virtual nodes, real-world usage in DynamoDB and Memcached, and a source code walkthrough of Go's jump consistent hash and ketama implementations.
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Envoy Proxy: The Invisible Backbone of Microservices
system design basics - Envoy proxy, north-south vs east-west traffic, its operating modes, how it competes with Nginx, and its relationship with Istio.
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System Design - Proxy vs Reverse Proxy
system design basics - forward proxy vs reverse proxy, differences, use cases, and examples