mirror of https://github.com/dtm-labs/dtm.git
yedf2
5 years ago
3 changed files with 178 additions and 154 deletions
@ -0,0 +1,117 @@ |
|||
 |
|||
[](https://travis-ci.com/yedf/dtm) |
|||
[](https://coveralls.io/github/yedf/dtm?branch=main) |
|||
[](https://goreportcard.com/report/github.com/yedf/dtm) |
|||
[](https://pkg.go.dev/github.com/yedf/dtm) |
|||
|
|||
[English Docs](https://github.com/yedf/dtm/blob/main/README.md) |
|||
|
|||
# GO语言分布式事务管理服务 |
|||
|
|||
DTM是首款golang的开源分布式事务管理器，优雅的解决了幂等、空补偿、悬挂等分布式事务难题。提供了简单易用、高性能、易水平扩展的分布式事务解决方案。 |
|||
|
|||
受邀参加中国数据库大会分享[多语言环境下分布式事务实践](http://dtcc.it168.com/yicheng.html#b9) |
|||
|
|||
## 亮点 |
|||
|
|||
* 极易接入 |
|||
- 支持HTTP，提供非常简单的接口，极大降低上手分布式事务的难度，新手也能快速接入 |
|||
* 使用简单 |
|||
- 开发者不再担心悬挂、空补偿、幂等各类问题，框架层代为处理 |
|||
* 跨语言 |
|||
- 可适合多语言栈的公司使用。方便go、python、php、nodejs、ruby各类语言使用。 |
|||
* 易部署、易扩展 |
|||
- 仅依赖mysql，部署简单，易集群化，易水平扩展 |
|||
* 多种分布式事务协议支持 |
|||
- TCC、SAGA、XA、事务消息 |
|||
|
|||
## 与其他框架对比 |
|||
|
|||
目前开源的分布式事务框架，暂未看到非Java语言有成熟的框架。而Java语言的较多，有阿里的SEATA、华为的ServiceComb-Pack，京东的shardingsphere，以及himly，tcc-transaction，ByteTCC等等，其中以seata应用最为广泛。 |
|||
|
|||
下面是dtm和seata的主要特性对比： |
|||
|
|||
| 特性| DTM | SEATA |备注| |
|||
|:-----:|:----:|:----:|:----:| |
|||
| 支持语言 | <font color=green>Golang、python、php及其他</font> | <font color=orange>Java</font> |dtm可轻松接入一门新语言| |
|||
|异常处理| <font color=green>[子事务屏障自动处理](https://zhuanlan.zhihu.com/p/388444465)</font>|<font color=orange>手动处理</font> |dtm解决了幂等、悬挂、空补偿| |
|||
| TCC事务| <font color=green>✓</font>|<font color=green>✓</font>|| |
|||
| XA事务|<font color=green>✓</font>|<font color=green>✓</font>|| |
|||
|AT事务|<font color=red>✗</font>|<font color=green>✓</font>|AT与XA类似，性能更好，但有脏回滚| |
|||
| SAGA事务 | <font color=orange>简单模式</font> | <font color=green>状态机复杂模式</font> |dtm的状态机模式在规划中| |
|||
|事务消息|<font color=green>✓</font>|<font color=red>✗</font>|dtm提供类似rocketmq的事务消息| |
|||
|通信协议|HTTP|dubbo等协议，无HTTP|dtm后续将支持grpc类协议| |
|||
|star数量|<img src="https://img.shields.io/github/stars/yedf/dtm.svg?style=social" alt="github stars"/>|<img src="https://img.shields.io/github/stars/seata/seata.svg?style=social" alt="github stars"/>|dtm从20210604发布0.1，发展快| |
|||
|
|||
从上面对比的特性来看，如果您的语言栈包含了Java之外的语言，那么dtm是您的首选。如果您的语言栈是Java，您也可以选择接入dtm，使用子事务屏障技术，简化您的业务编写。 |
|||
|
|||
## [各语言客户端及示例](./doc/sdk.md) |
|||
|
|||
## 快速开始 |
|||
|
|||
### 安装 |
|||
|
|||
`git clone https://github.com/yedf/dtm` |
|||
|
|||
### dtm依赖于mysql |
|||
|
|||
配置mysql： |
|||
|
|||
`cp conf.sample.yml conf.yml # 修改conf.yml` |
|||
|
|||
### 启动并运行saga示例 |
|||
`go run app/main.go saga` |
|||
|
|||
## 开始使用 |
|||
|
|||
### 使用 |
|||
``` GO |
|||
// 具体业务微服务地址 |
|||
const qsBusi = "http://localhost:8081/api/busi_saga" |
|||
req := &gin.H{"amount": 30} // 微服务的载荷 |
|||
// DtmServer为DTM服务的地址，是一个url |
|||
DtmServer := "http://localhost:8080/api/dtmsvr" |
|||
saga := dtmcli.NewSaga(DtmServer, dtmcli.MustGenGid(DtmServer)). |
|||
// 添加一个TransOut的子事务，正向操作为url: qsBusi+"/TransOut"， 补偿操作为url: qsBusi+"/TransOutCompensate" |
|||
Add(qsBusi+"/TransOut", qsBusi+"/TransOutCompensate", req). |
|||
// 添加一个TransIn的子事务，正向操作为url: qsBusi+"/TransOut"， 补偿操作为url: qsBusi+"/TransInCompensate" |
|||
Add(qsBusi+"/TransIn", qsBusi+"/TransInCompensate", req) |
|||
// 提交saga事务，dtm会完成所有的子事务/回滚所有的子事务 |
|||
err := saga.Submit() |
|||
``` |
|||
|
|||
成功运行后，可以看到TransOut、TransIn依次被调用，完成了整个分布式事务 |
|||
|
|||
### 时序图 |
|||
|
|||
上述saga分布式事务的时序图如下： |
|||
|
|||
<img src="https://pic3.zhimg.com/80/v2-b7d98659093c399e182a0173a8e549ca_1440w.jpg" height=428 /> |
|||
|
|||
### 完整示例 |
|||
参考[examples/quick_start.go](./examples/quick_start.go) |
|||
|
|||
## 文档与介绍(更新中) |
|||
* [分布式事务简介](https://zhuanlan.zhihu.com/p/387487859) |
|||
* 分布式事务模式 |
|||
- [XA事务模式](https://zhuanlan.zhihu.com/p/384756957) |
|||
- [SAGA事务模式](https://zhuanlan.zhihu.com/p/385594256) |
|||
- [TCC事务模式](https://zhuanlan.zhihu.com/p/388357329) |
|||
- 可靠消息事务模式 |
|||
* [子事务屏障](https://zhuanlan.zhihu.com/p/388444465) |
|||
* [通信协议](./doc/protocol.md) |
|||
* [FAQ](https://github.com/yedf/dtm/issues/1) |
|||
* 部署指南 |
|||
|
|||
## 交流群 |
|||
请加 yedf2008 好友或者扫码加好友，验证回复 dtm 按照指引进群 |
|||
|
|||
 |
|||
|
|||
如果您觉得此项目不错，或者对您有帮助，请赏颗星吧！ |
|||
|
|||
## 谁在使用 |
|||
<div style='vertical-align: middle'> |
|||
<img alt='常青藤爸爸' height='40' src='https://www.ivydad.com/_nuxt/img/header-logo.2645ad5.png' /img> |
|||
<img alt='镜小二' height='40' src='https://img.epeijing.cn/official-website/assets/logo.png' /img> |
|||
</div> |
|||
@ -1,76 +0,0 @@ |
|||
 |
|||
[](https://travis-ci.com/yedf/dtm) |
|||
[](https://coveralls.io/github/yedf/dtm?branch=main) |
|||
[](https://goreportcard.com/report/github.com/yedf/dtm) |
|||
[](https://pkg.go.dev/github.com/yedf/dtm) |
|||
|
|||
[中文版](https://github.com/yedf/dtm/blob/main/README.md) |
|||
|
|||
# A golang distributed transaction manager |
|||
DTM is the first golang open source distributed transaction project. It elegantly resolve the problem of execution out of order. In the microservice architecture, a high-performance and easy-to-use distributed transaction solution is provided. |
|||
|
|||
## Characteristic |
|||
|
|||
* Stable and reliable |
|||
+ Tested in the production environment, unit test coverage is over 90% |
|||
* Simple to use |
|||
+ The interface is simple, developers no longer worry about suspension, null compensation, idempotence, etc., and the framework layer takes care of them. |
|||
* Multi language supported |
|||
+ It is suitable for companies with multi-language stacks. The protocol supports http. Convenient to use in various languages such as go, python, php, nodejs, ruby. |
|||
* Easy to deploy, easy to expand |
|||
+ Only rely on mysql, easy to deploy, easy to expand horizontally |
|||
* Multiple distributed transaction protocol supported |
|||
+ TCC: Try-Confirm-Cancel |
|||
+ SAGA: |
|||
+ Reliable news |
|||
+ XA |
|||
|
|||
### [sub-transaction barrier](./doc/barrier-en.md) |
|||
### [protocol](./doc/protocol-en.md) |
|||
|
|||
# Quick start |
|||
### Installation |
|||
`git clone https://github.com/yedf/dtm` |
|||
### DTM depends on mysql |
|||
|
|||
Configure mysql: |
|||
|
|||
`cp conf.sample.yml conf.yml # Modify conf.yml` |
|||
|
|||
### Start and run the saga example |
|||
`go run app/main.go` |
|||
|
|||
# Start using |
|||
|
|||
### Use |
|||
``` go |
|||
// business microservice address |
|||
const qsBusi = "http://localhost:8081/api/busi_saga" |
|||
req := &gin.H{"amount": 30} // Microservice payload |
|||
// The address where DtmServer serves DTM, which is a url |
|||
DtmServer := "http://localhost:8080/api/dtmsvr" |
|||
saga := dtmcli.NewSaga(DtmServer, dtmcli.MustGenGid(DtmServer)). |
|||
// Add a TransOut sub-transaction, the operation is url: qsBusi+"/TransOut"， |
|||
// compensation operation is url: qsBusi+"/TransOutCompensate" |
|||
Add(qsBusi+"/TransOut", qsBusi+"/TransOutCompensate", req). |
|||
// Add a TransIn sub-transaction, the operation is url: qsBusi+"/TransOut"， |
|||
// compensation operation is url: qsBusi+"/TransInCompensate" |
|||
Add(qsBusi+"/TransIn", qsBusi+"/TransInCompensate", req) |
|||
// Submit the saga transaction, dtm will complete all sub-transactions/rollback all sub-transactions |
|||
err := saga.Submit() |
|||
``` |
|||
### Complete example |
|||
Refer to [examples/quick_start.go](./examples/quick_start.go) |
|||
|
|||
### Wechat Group |
|||
Please add wechat yedf2008 friends or scan the code to add friends |
|||
|
|||
 |
|||
|
|||
If you think this project is good, or helpful to you, please give a star! |
|||
|
|||
### Who is using |
|||
<div style='vertical-align: middle'> |
|||
<img alt='ivydad' height='40' src='https://www.ivydad.com/_nuxt/img/header-logo.2645ad5.png' /img> |
|||
<img alt='eglass' height='40' src='https://img.epeijing.cn/official-website/assets/logo.png' /img> |
|||
</div> |
|||
Loading…
Reference in new issue