BestHub
search
Sign in
Tag

CBO

0 views collected around this technical thread.

DataFunTalk
DataFunTalk
Oct 25, 2022 · Databases

Design and Implementation of ByteHouse Query Optimizer

The article explains how ByteHouse extends ClickHouse with a full‑featured query optimizer—including rule‑based and cost‑based techniques, analyzer modules, plan construction, and distributed optimization—to overcome ClickHouse limitations and achieve significant performance gains on complex OLAP workloads.

ByteHouseCBODistributed Query
0 likes · 10 min read
Design and Implementation of ByteHouse Query Optimizer
DataFunTalk
DataFunTalk
Oct 7, 2021 · Big Data

Impala Architecture, Concurrency, CBO Join Optimization, and Storage Layer in Tencent Financial Big Data Scenarios

This article introduces Impala's overall architecture, storage options, key features, concurrency mechanisms, CBO‑based join optimization techniques, storage‑layer principles and data‑filtering strategies, and summarizes practical performance‑tuning experiences from Tencent's financial big‑data platform.

CBOConcurrencyImpala
0 likes · 12 min read
Impala Architecture, Concurrency, CBO Join Optimization, and Storage Layer in Tencent Financial Big Data Scenarios