# Kylin

**Repository Path**: dalake/kylin

## Basic Information

- **Project Name**: Kylin
- **Description**: Apache Kylin是一个开源的、分布式的分析型数据仓库，提供Hadoop/Spark 之上的 SQL 查询接口及多维分析（OLAP）能力以支持超大规模数据，最初由 eBay 开发并贡献至开源社区。它能在亚秒内查询巨大的表。Kylin 是一个开源的的分布式的，针对大数据场景下的高性能分析型数据仓库。在 Kubernetes 集群上部署 Kylin，可以减少 Kylin 集群维护和扩容的代价。
- **Primary Language**: Unknown
- **License**: Apache-2.0
- **Default Branch**: kylin5
- **Homepage**: https://kylin.apache.org/cn/
- **GVP Project**: No

## Statistics

- **Stars**: 2
- **Forks**: 1
- **Created**: 2022-10-26
- **Last Updated**: 2023-12-21

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

## Intro to Kylin 5

### Comparison with Kylin 4.0

- New metadata design [New metadata design article (Chinese ver)](https://kylin.apache.org/5.0/blog/introduction_of_metadata_cn) and [New metadata definition](https://github.com/apache/kylin/blob/doc5.0/website/blog/2022-12-18-Introduction_of_Metadata/protocol-buffer/metadata.proto)
- Support Table Index
- Support schema change
- Support computed column
- New CuboidScheduler
- New Job engine etc.

For more detail, please check our [roadmap](https://kylin.apache.org/5.0/docs/development/roadmap) .

### Quick Start

1. Build maven artifact with following command:
```shell
mvn clean package -DskipTests
```

2. Run unit test with following command:

```shell
sh dev-support/unit_testing.sh
```

3. Build a Kylin 5 binary

```shell
./build/release/release.sh
```