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Fast Optimistic Concurrency Control with Apache Ozone S3 Conditional Requests
How Apache Ozone implements S3 conditional requests with its atomic rewrite path, enabling fast compare-and-swap style coordination for object-storage-backed systems.
Warming Up DuckDB: Achieving Instant Query Performance with Cache Prewarm
Eliminating DuckDB Cold Starts with Cache Prewarm
DuckDB Filesystem Observability with observefs + cache_httpfs: See I/O and Speed It Up
5 mins
Measure DuckDB filesystem I/O with the observefs extension and accelerate remote reads using cache_httpfs—backed by real performance benchmarks.
Ozone Snapshot Deep Dive 1 - Can This Be Deleted? Snapshot Deep Clean & Reclaimable Filter
Detailed introduction to Apache Ozone Snapshot’s Deep Clean mechanism and Reclaimable Filter design, explaining how to safely and efficiently reclaim snapshot data and storage space while ensuring consistency.
SST Statistics-Based Intelligent RocksDB Compaction Optimization for Apache Ozone
9 mins
SST Statistics-Based Intelligent RocksDB Compaction Optimization for Apache Ozone
Building a high-performance, scalable server for AD management
A high-performance advertisement management system achieving 96,000 QPS through in-memory database, Redis streams, and PostgreSQL, featuring replica, custom indexing, and fault tolerance mechanisms.
Bikefest 2024 Backend
How we build a backend system for NCKU Bikefest 2024 Website