How eBay Scaled ClickHouse with Read/Write Separation and Keeper

This article details eBay's event monitoring platform architecture, explains the challenges of high‑load OLAP workloads on ClickHouse clusters, describes the design and implementation of read/write separation and multi‑shard Keeper coordination, and shares concrete configuration snippets, performance observations, and production lessons learned.

Distributed SystemsKeeperKubernetes

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How eBay Scaled ClickHouse with Read/Write Separation and Keeper

dbaplus Community

Aug 3, 2023 · Databases

Scaling eBay’s Sherlock.io ClickHouse Platform with Read/Write Separation and Keeper

The article details how eBay’s Sherlock.io event monitoring platform, built on ClickHouse, faced scaling and performance challenges due to ZooKeeper bottlenecks, and explains the design and implementation of read/write separation, shard‑level Keeper coordination, and related operational fixes to improve reliability and latency.

KeeperRead-Write SeparationZooKeeper

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Scaling eBay’s Sherlock.io ClickHouse Platform with Read/Write Separation and Keeper

Aikesheng Open Source Community

Mar 14, 2022 · Databases

Understanding ClickHouse-Keeper: Features, Configuration, Commands, and Migration from ZooKeeper

ClickHouse‑Keeper, a C++‑based ZooKeeper replacement using the Raft algorithm, offers linearizable reads, compression, and easier deployment; this article explains its advantages, configuration template, startup command, parameter details, health checks, and step‑by‑step migration from ZooKeeper using the ClickHouse‑Keeper‑Converter tool.

ConfigurationKeeperRaft

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Understanding ClickHouse-Keeper: Features, Configuration, Commands, and Migration from ZooKeeper