ekexium

txn: introduce large_txn_cache in txn_status_cache

3

### What is changed and how it works? Issue Number: ref #17459 What's Changed: ```commit-message Introduce large_txn_status in txn_status_cache. ``` ### Related changes - [ ] PR to update `pingcap/docs`/`pingcap/docs-cn`:...

## Development Task In current TiKV(v8.3), large transactions can block resolve-ts from advancing, because it is calculated as `min(pd-tso, min(lock.ts))`, which is actually a more stringent constraint than its original...

metric: several struct sizes in lock manager

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### What is changed and how it works? Issue Number: ref #17394 What's Changed: ```commit-message Add some metrics for lock manager for diagnosing memory usage. ``` The size of detect...

Flashback may break transaction atomicity

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## Bug Report ### What version of TiKV are you using? Any with Flashback. ### What operating system and CPU are you using? Doesn't matter. ### Steps to reproduce Consider...

resolved-ts: track the number of locks of large txns in resolver

2

### What is changed and how it works? Issue Number: ref #17459 What's Changed: ```commit-message Track the number of locks of large txns in resolver ``` ### Related changes -...

## Development Task https://github.com/tikv/tikv/issues/17459 has freed resolved-ts from being blocked by pipelined transactions. We can extend this method to non-pipelined large transactions.

Needs update of descriptions containing `tidb_scatter_region`

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## Change Request **This repository is ONLY used to solve problems related to DOCS-CN. For other issues (TiDB, TiKV, etc), please move to [other repositories](https://github.com/pingcap/).** Please answer the following questions...

## Bug Report Please answer these questions before submitting your issue. Thanks! **What did you do?** Download a csv of slow queries **What did you expect to see?** Values are...

The log is now put in the work dispatch loop.