3pointer

use system_time_zone to encode kv if tidb set it

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### What problem does this PR solve? Resolve #562 ### What is changed and how it works? if tidb time_zone is "SYSTEM", try to use "system_time_zone" to set time_zone for...

Add an option to turn alter table auto_increment off.

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## Feature Request **Is your feature request related to a problem? Please describe:** We had this mechanism, when import table successfully, lightning will do alter auto_increment job to trigger TiDB...

## Bug Report Please answer these questions before submitting your issue. Thanks! 1. What did you do? If possible, provide a recipe for reproducing the error.  we can find...

## Feature Request **Describe the feature you'd like:** Add a section about lightning checksum feature, and put it into https://docs.pingcap.com/tidb/stable/tidb-lightning-overview. **Describe alternatives you've considered:** 1. Introduce the checksum mechanism. 2....

After [BR in SQL](https://github.com/pingcap/tidb/pull/15274) finished, we can also integrate Lightning into TiDB. We should have following things to do: - [ ] #293 Design syntax for SQL - [ ]...

br: update description rawkv and faq

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### First-time contributors' checklist - [x] I've signed [**Contributor License Agreement**](https://cla-assistant.io/pingcap/docs-cn) that's required for repo owners to accept my contribution. ### What is changed, added or deleted? (Required) update the...

BR failed to backup stats

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Please answer these questions before submitting your issue. Thanks! 1. What did you do? If possible, provide a recipe for reproducing the error. Upgrade TiDB cluster from v4.0.0 to v4.0.9....

## Feature Request Add a test for missing PR in #702. ### Describe your feature request related problem: PR #702 missed cherry-picking to release-4.0. but we didn't notice it. so...

Please answer these questions before submitting your issue. Thanks! 1. What did you do? If possible, provide a recipe for reproducing the error. In release-4.0 , we found a case...

backup: parallel backup and checksum to speed up backup

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### What problem does this PR solve? a kind of fix for https://github.com/pingcap/br/issues/1046 ### What is changed and how it works? besides pipeline backup and checksum, we can parallel them....