Joy Nag

Document require_primary_key system variable

3

Documenting the sysvar added in [this PR](https://github.com/pingcap/tidb/pull/36146) ### First-time contributors' checklist - [x] I've signed [**Contributor License Agreement**](https://cla-assistant.io/pingcap/docs) that's required for repo owners to accept my contribution. ### What is...

Update repl.lag collector to add option for collecting lag using performance schema

2

This follows the same pattern `var.global` uses to add options for collecting replication lag from performance schema. I haven't updated the doc yet, as it seems current `repl.log` collector usage...

Datadog Sink: Multiple values for tags

14

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