will

## Bug Report Please answer these questions before submitting your issue. Thanks! ### 1. Minimal reproduce step (Required) Build tidb binary by yourself, and make tidb shows commit id as...

[WIP] Async Checkpoint with Causality Optimization

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### What problem does this PR solve? Initial PR for implementing Async Checkpoint with Causality Optimization, this PR is created for discussion purpose ### What is changed and how it...

Lighting precheck shows incorrect estimate sorted data size

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## Bug Report Please answer these questions before submitting your issue. Thanks! ### 1. Minimal reproduce step (Required) Use lightning to import large enough data (>5TB or more) with phsyical...

Add metrics/logs to show why pd ignore heartbeats sent from tikv

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## Enhancement Task Heartbeats sent from TiKV may sometimes be ignored by PD, and it would be helpful to display the reasons behind this. We can capture this information using...

dm: Add marker option to redact info log

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### What problem does this PR solve? Issue Number: close #11489 ### What is changed and how it works? Add marker option similar to other components(https://docs.pingcap.com/tidb/stable/log-redaction) for redacting info log...

## Bug Report **What did you do?** When a TiDB cluster grows large, a significant number of SQL statements, slow queries, and other resource data are retrieved from the database...