Jun 20, 2022 · Databases

Citus 11 for PostgreSQL: Fully Open‑Source and Queryable from Any Node

Citus 11.0 makes the entire extension open source, adds a non‑blocking shard rebalancer, enables automatic schema and metadata synchronization so distributed queries can run on any cluster node, and introduces trigger support on distributed tables, with clear upgrade steps and deprecation notes.

CitusMetadata SyncOpen-source

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Citus 11 for PostgreSQL: Fully Open‑Source and Queryable from Any Node

DataFunTalk

Oct 19, 2020 · Big Data

Impala Optimization and Practices at NetEase Big Data Platform

This article presents a comprehensive overview of NetEase's use of Impala as an OLAP query engine, detailing its architectural advantages, performance benefits, enhancements such as management servers, metadata synchronization, high‑availability via Zookeeper, expanded storage support, and real‑world deployment cases in the "Mammoth" platform and NetEase Cloud Music.

High AvailabilityImpalaMetadata Sync

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Impala Optimization and Practices at NetEase Big Data Platform