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Xiaolei Talks DB
Xiaolei Talks DB
Sep 4, 2024 · Databases

Master Online TiDB Migration: Step‑by‑Step Guide for Cross‑Data‑Center Moves

This guide details three online TiDB migration scenarios—including placement‑rule replica placement, TiCDC with BR backup, and hybrid strategies—covering preparation, network and resource requirements, configuration commands, region balancing, PD leader transfer, and post‑migration cleanup for seamless cross‑data‑center database relocation.

BR BackupPlacement RulesTiCDC
0 likes · 19 min read
Master Online TiDB Migration: Step‑by‑Step Guide for Cross‑Data‑Center Moves
Xiaolei Talks DB
Xiaolei Talks DB
Mar 26, 2022 · Databases

Why TiDB’s GC Stalled and How to Fix Disk Space Alarms

This article walks through a real‑world TiDB/TiKV disk‑space alarm case, diagnosing why the GC worker got stuck, how TiCDC’s lingering changefeed caused outdated MVCC versions, and the step‑by‑step commands and monitoring tricks used to restore normal GC and reclaim storage.

DatabaseTiCDCTiDB
0 likes · 15 min read
Why TiDB’s GC Stalled and How to Fix Disk Space Alarms
Yiche Technology
Yiche Technology
Nov 17, 2021 · Databases

TiDB Architecture and Performance Optimization for Yiche’s 818 Car Carnival Data Dashboard

This article presents a technical case study of Yiche’s 818 Car Carnival data dashboard, detailing the background, business requirements, TiDB selection and architecture, encountered issues with TiDB, TiCDC and query performance, and the solutions and performance results achieved.

Database ArchitectureFlinkTiCDC
0 likes · 13 min read
TiDB Architecture and Performance Optimization for Yiche’s 818 Car Carnival Data Dashboard
HomeTech
HomeTech
Sep 1, 2021 · Databases

Case Study: TiDB Deployment for the 2021 "818 Global Auto Festival"

This case study details how Car Home leveraged TiDB 5.1.1 with a three‑data‑center, five‑replica HTAP architecture to support the high‑traffic 818 Global Auto Festival, covering background, business requirements, database selection, system design, performance challenges, solutions, and post‑event insights.

Distributed DatabaseHTAPHigh Availability
0 likes · 11 min read
Case Study: TiDB Deployment for the 2021 "818 Global Auto Festival"
Xiaolei Talks DB
Xiaolei Talks DB
Aug 30, 2021 · Backend Development

Unlocking TiCDC: Efficient Incremental Data Sync for TiDB in Real‑World Scenarios

This article explains how TiCDC, a change‑data‑capture tool for TiDB, addresses incremental extraction, cross‑region hot‑standby, and stream processing needs, outlines its architecture, discusses early‑version issues, and provides best‑practice recommendations for stable, high‑performance data synchronization.

Change Data CaptureTiCDCTiDB
0 likes · 13 min read
Unlocking TiCDC: Efficient Incremental Data Sync for TiDB in Real‑World Scenarios