[Failure Cases & Solutions] Upgrade Practice Cases & Collection of Unsuccessful/Errored Upgrade Issues

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Original topic: 【故障案例&解决方案】升级实践案例&升级不成功/报错问题合集

| username: Billmay表妹

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Upgrade Practices - Column Articles

Contributor: @mydb

TiDB 4.0 Upgrade to 5.1 - Pitfall Avoidance Guide

Contributor: @gary

Documenting the Process of Migrating TiDB v5.2.3 to v6.1.0

Contributor: @Ming

“TiDB Cross-Version Upgrade” - Process Overview

Contributor: @magongyong

Practical Experience - Documenting a Major Version Upgrade

Contributor: @pupillord

Upgrading TiDB Version to v5.3.0 in TiDB 4PG

Contributor: @OnTheRoad

Offline Deployment Series Part 2: TiDB Cluster Upgrade (5.3.0->5.4.2) & Scaling TiDB Server, PD, TiKV, TiFlash

Contributor: @GreenGuan

TiDB Upgrade and Case Sharing (TiDB v4.0.1 → v5.4.1)

Contributor: @cchouqiang

TiDB RawKV Upgrade Path v5.0.4–>v6.1.0

Contributor: @边城元元

TiSpark v2.4.x Upgrade to TiSpark v2.5.x

Contributor: @xxxxxxxx

TiDB 2.1 Upgrade to 4.0 Operation Document

Contributor: @Gin

Business Lossless Upgrade of TiDB Cluster Under High Concurrent Requests

Contributor: @luzizhuo

A Few Things About TiDB Upgrade - How to Upgrade Happily

Contributor: @dbaspace

TiDB Upgrade - Summary of Ansible and TiUP Usage

Contributor: @18515065291

TiDB Upgrade, TiFlash Testing, and Comparison with ClickHouse

TiDB Upgrade to 5.0.2 with Surprises

Initial Experience of Upgrading to TiDB 5.0

Experience Upgrading to 4.0

Solving Slow SQL Issues with Business Upgrade to 5.0

TiDB Upgrade 5.x Connection Issues

Small Issues with Upgrade to 5.1.1

Contributor: @CuteRay

Practical Experience of Upgrading TiDB 2.1.14 to 4.0.0-rc on Alibaba Cloud ECS

Contributor: @hey-hoho

Offline Deployment and Upgrade of TiDB on X86 and ARM Hybrid Platform

Contributor: @信仰在空中飘扬

Performance of Upgrading TiDB to 5.1.1

Contributor: @张鱼小丸子-PingCAP

TiDB Best Practices

Contributor: @天赐小郑

Celebrating 58.com TiDB All in v4.0.2 (Including Core PMC Order Flow Business Upgrade Process and Some Insights)

Contributor: @TUG微尘

After Expanding and Shrinking PD Nodes in TiDB Deployed via Docker -v3.0, the Entire Cluster Needs Rolling Upgrade

Contributor: @Hacker_o052psBo

Solving Slow SQL Issues with Business Upgrade to 5.0

Contributor: @zhuboshuai

Discussion on TiDB Cluster Upgrade Stuck Issue on K8S

Contributor: @代晓磊_Mars

Solution for Run Command Timeout/SSH Timeout Error During TiUP Cluster Upgrade

Solution for TiUP Upgrade TiFlash Restart Failure

Unsuccessful Upgrade/Error Issues - Technical Q&A

4.0.+ Upgrade Related Issues

• Incorrect Grafana Admin Password After Version Upgrade

• Significant Performance Drop After Upgrading TiDB 2.1.8 to 4.0.13

• No Data in Grafana After TiDB Upgrade

• Error Opening Slow Query After Upgrading from v4.0.0 to v4.0.9

• Upgrading TiDB from 2.1.8 to 4.0.x

• TiUP ctl Error After Upgrading to V4.0.12

• Error During TiUP Upgrade from v4.0.14 to v4.0.16: ansible-imported-configs: no such file or directory

5.0+ Upgrade Related Issues

• OOM Issues with TiKV After Upgrading to 5.0.5

• Inconsistent Query Results During TiFlash Upgrade

• Why Can’t TiFlash Be Rolling Upgraded Together When Upgrading to Versions After 5.3

• Occasional Database Inaccessibility After TiDB Version Upgrade

• Continuous Panic in CDC After Upgrading TiDB Cluster to 5.1.4

• Panic Phenomenon in TiCDC Upgrade

• CDC Nodes Down After Upgrading TiDB from 4.0.14 to 5.1.4

• Upgrading TiDB from 4.0.14 to 5.1.4

• CPU of PD Leader Always Full After Upgrading to 5.4.2

• SQL Execution Time Increased from 15 Seconds to 15 Hours After Upgrading to V5.2.2

• Low Version Navicat (11.1.12) Unable to Connect After Upgrading TiDB to v5.2.1

• Upgrading TiDB from 4.0.11 to 5.0.1

• TiDB Startup Failure After Upgrading from 5.2.2 to 5.3.0

• Consultation on Upgrade Issues from TiDB v5.0.2 to v5.0.6

• Frequent OOM in TiDB-Server After Upgrading to V5.3.0, Leading to Frequent Client Disconnections

• OOM After TiDB Upgrade (4.0 → 5.3.1)

• TiDB Cluster Upgrade Issues

• Heap Memory Usage Surge After Upgrading from 4.0.6 to 5.3.0

• Error During Upgrade from v5.2.2 to v5.2.4

• Upgrade Issues with v5.2

• PD Error During TiUP Upgrade to v5.4.0, Upgrade Failed

• TiFlash Error During Upgrade from v5.1.0 to v5.1.1

• Rolling Upgrade of TiDB Cluster on Kubernetes Using TiDB Operator Failed

• Sync-Log Forced On After Upgrading to 5.x Version, Limiting Write Performance

• Alertmanager Configuration File Overwritten After Upgrading TiDB from 4.0.2 to 5.3.0

• TiDB Cluster Upgrade Failure

• DM Upgrade to v5.3.0 Using OpenAPI Ineffective

• 大量日志打印：[syncer.go:1114] [“checkpoint has no change, skip sync flush checkpoint”] After Upgrading DM to v5.4

• TiKV Pending Task (Type: gc-worker) Error in Logs After Upgrading to TiDB 5.2.3

• Replication Permission Issue After Restarting Task Following DM Upgrade to Latest 5.3.0

• TiFlash Issue After Upgrading TiDB from v4.0.13 to v5.2.1

• Some User Authentication Failures After Upgrading TiDB from 5.1.1 to 5.3

• SQL Abnormalities Caused by TiDB Version Upgrade

• CDC Error Leading to Cluster Upgrade Failure When Upgrading TiDB from 5.0.1 to 5.2.0

• Hot Upgrade Issues with TiKV Cluster

• Slow Performance After TiDB Cluster Upgrade Using TiUP

• TiCDC Not Advancing in 5.4.1 Version, Issues Persist After Upgrading from 5.2 to 5.4.1

• Empty Cluster Upgrade from 4.0.9 to 5.1.4 Failed

• SSH Execution Failed Error During TiUP Upgrade

6.0+ Upgrade Related Issues

• TiFlash Service Abnormal After Upgrading to 6.1

• Error During Upgrade from V5.4.0 to V6.0.0

• Node_Export Startup Issue After Upgrading from 5.3.4 to 6.0

• Unknown Component Issue When Upgrading TiDB to V6.1.0

• Error: Unknown Component During Upgrade from V5.4.0 to V6.1.0

• Unable to Open Views After Upgrading to 6.1 Version

• Error Logs After Upgrading TiKV & TiDB to 6.1

• TiUP Upgrade to TiDB v6.1.1

• Upgrading TiDB from 4.0.7 to 6.1.0

• Upgrade Failure from 5.4 to 6.2

• Most Labor-Saving and Stable Upgrade Method from 2.0 to 6.0

• TiFlash Startup Failure When Upgrading from V6.2 to V6.3

• Upgrade from 5.4.1 to 6.5

• Performance Slowdown After Upgrading from 6.2 to 6.5

• Pass-Through Failure After Upgrade

• Can TiDB 6.1.3 Be Directly Upgraded to 6.5.0

• TiFlash Abnormal Restart in TiDB 6.1.0 Version

Upgrade Precautions & Operation Guide - SOP/Documentation

• 2022 Community User Upgrade Guide & Column Upgrade Articles Collection

• SOP Series 16: Online Cluster Upgrade from 4.0 to 5.0

• SOP Series 27: Offline Upgrade and Scaling Guide from TiDB v5.3.0->v5.4.2->v6.1.0

• SOP Series 01: Online Cluster Upgrade from Release-2.1 to Release-3.0

• Upgrade and Post-Upgrade Common Issues

• Manual Upgrade from TiDB Data Migration 1.0.x to 2.0+

• TiDB Binlog Version Upgrade Method

• Using TiUP to Upgrade TiDB

• Upgrading TiDB Cluster on Kubernetes

• TiFlash v6.2 Upgrade Help

• v6.5 Component Upgrade

• Rolling Upgrade

• v6.5 Downtime Upgrade

• Non-Downtime Upgrade

• [v6.5 Cluster Version Upgrade](使用 TiUP 运维 DM 集群 | PingCAP 文档中心

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| username: tidb菜鸟一只 | Original post link

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Sure, marking it.

[translator_bot]

| username: Tank001 | Original post link

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Learn it.