pingcap / pingcap/tidb

Instance Scope Variable

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#63,275 0 comments 0 reactions 1 assignee Claimed by @xhebox View on GitHub
affects-8.5 feature/developing type/enhancement type/new-feature
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Description

## Enhancement

- [x] Adapt `variables_info` table
- [x] Override `Show Global` for instance variables
- [x] Adapt `cluster_config` table
- [x] Update docs

## Problem

- [ ] About the warning of falied operation is impossible. We have no feedback channel of setting global variables. We either show or not for all global/instance mixed scoped variables.
```
The operation fails for instances where this variable was initialized with config. Please check the config files of this deployment.
```

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