humengyu

Translate TiCDC Craft binary protocol document from English

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Signed-off-by: Mengyu Hu [email protected] ### 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...

Support cache rows in memory for each region

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## What is the purpose of the change *(For example: This pull request makes task deployment go through the blob server, rather than through RPC. That way we avoid re-transferring...

Supporting a general construction method for TiConfiguration

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If we wanted to expose all the configurations in other computing frameworks, the workload would be huge. Can we add a new construction method for TiConfiguration? For example: ``` public...

Optimize tidb-core module API

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## What is the purpose of the change Reduce the number of RPC getTable calls. ## Brief change log 1. add a new field named titableinfo in `io.tidb.bigdata.tidb.handle.TableHandleInternal` to storead...

## Bug Report ### 1. Describe the bug When I use method catalog.getTable(db,table), I may get a null object of TiTableInfo. I use client-java in mapreduce, and there are more...

Excessive number of block reader threads in Alluxio worker.

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**Alluxio Version:** 2.9.3 **Describe the bug** Our Alluxio cluster is not in the same data center as HDFS. When the dedicated inter-data center bandwidth is fully utilized, the number of...

Failed to acquire lock for block

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**Alluxio Version:** 2.9.2 **Describe the bug** Our workers have a lot of warning logs: ``` 2023-04-11 13:20:57,743 WARN BlockLockManager - Failed to acquire lock for block 452934501286 after 60000 MILLISECONDS....