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Alimama Tech
Alimama Tech
Apr 10, 2025 · Big Data

Performance Optimization of Apache Paimon in Dolphin OLAP Engine

The article details how Apache Paimon, integrated as an external table format in Alibaba’s Dolphin OLAP engine, achieves millisecond‑level query latency and up to 10k QPS through ORC push‑down, manifest conversion, caching, concurrency, and encoding optimizations, outperforming StarRocks and Hologres.

JavaOLAPOptimization
0 likes · 17 min read
Performance Optimization of Apache Paimon in Dolphin OLAP Engine
DevOps
DevOps
Feb 13, 2019 · Operations

Dolphins' Never‑Sleep Secret and Continuous Deployment Strategies (Blue‑Green & Rolling Updates)

This article explores how dolphins can stay continuously awake by alternating brain hemisphere activity, explains the biological basis of their half‑sleep behavior, and draws analogies to modern software deployment techniques such as blue‑green and rolling updates, illustrating continuous service availability and the concept of perpetual renewal.

Continuous DeploymentOperationsblue-green deployment
0 likes · 5 min read
Dolphins' Never‑Sleep Secret and Continuous Deployment Strategies (Blue‑Green & Rolling Updates)