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Apache Amoro (incubating) is a Lakehouse management system built on open data lake formats.

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[AMORO-3989] Amoro's support for the domestic database Damang

module:ams-server
type:build

## Why are the changes needed? Close #3775. ## Brief change log Add support for MSE based refresh event: - Support for calculating partition filesize mean square error based on...

module:ams-server
module:mixed-hive
module:common

### Search before asking - [x] I have searched in the [issues](https://github.com/apache/amoro/issues?q=is%3Aissue) and found no similar issues. ### What would you like to be improved? In our long-running ams process...

type:improvement

## Why are the changes needed? JUnit 4 is no longer actively maintained, and JUnit 5 provides a more modern and powerful testing framework. This PR migrates all JUnit 4...

type:build
module:common

### What happened? TaskRuntime.stateLock and TableOptimizingProcess.lock can cause deadlocks.This can cause tables in a certain resource group to malfunction, and OptimizerKeeper will also fail to function properly. Thread1: Holding: 0x000000059a732858...

type:bug

## Why are the changes needed? Please refer to issue https://github.com/apache/amoro/issues/3998. ## Brief change log - ## How was this patch tested? - [ ] Add some test cases that...

type:docs
module:ams-server

## Why are the changes needed? TaskRuntime.stateLock and TableOptimizingProcess.lock can cause deadlocks.This can cause tables in a certain resource group to malfunction, and OptimizerKeeper will also fail to function properly....

module:ams-server

## Why are the changes needed? In master-slave mode, each optimizer needs to communicate with each ams node. Therefore, the registration mode of the optimizer needs to be modified in...

module:ams-server
module:common

## Why are the changes needed? In DefaultTable Service, it is compatible with master-slave mode. In master-slave mode, it is necessary to load tables from catalog, determine the addition and...

module:ams-server
module:common

## Why are the changes needed? Close #3973. ## Brief change log - ## How was this patch tested? - [ ] Add some test cases that check the changes...

module:mixed-spark
type:infra
type:build