[doc]upgrade guide (vesoft-inc#11)

* [doc]upgrade guide

* delete spaces

* fix comments and udpate links

* update

docs/manual-CN/5.appendix/upgrade-guide.md

@@ -0,0 +1,21 @@
+# Nebula Graph 升级指南
+
+本文档介绍如何升级 Nebula Graph。对应版本升级指南见下文。
+
+## 从 Nebula Graph RC3 升级至 RC4
+
+- 首先停止所有机器的 Nebula 服务
+  - 在每一台机器执行 `scripts/nebula.service stop all` 命令
+  - 然后执行 `scripts/nebula.service status all` 命令确认进程已经退出
+- 在每一台机器(根据系统环境)安装新的 `rpm` 包
+  - 下载安装包：`https://github.com/vesoft-inc/nebula/releases/tag/v1.0.0-rc4`
+  - 安装 Nebula：`rpm -Uvh nebula-1.0.0-rc4.el7-5.x86_64.rpm`
+- 如果下载速度过慢，国内用户可在 OSS 下载对应安装包。
+  - [CentOS 6.5](https://nebula-graph.oss-cn-hangzhou.aliyuncs.com/package/1.0.0-rc4/nebula-1.0.0-rc4.el6-5.x86_64.rpm)
+  - [CentOS 7.5](https://nebula-graph.oss-cn-hangzhou.aliyuncs.com/package/1.0.0-rc4/nebula-1.0.0-rc4.el7-5.x86_64.rpm)
+  - [Ubuntu 16.04](https://nebula-graph.oss-cn-hangzhou.aliyuncs.com/package/1.0.0-rc4/nebula-1.0.0-rc4.ubuntu1604.amd64.deb)
+  - [Ubuntu 18.04](https://nebula-graph.oss-cn-hangzhou.aliyuncs.com/package/1.0.0-rc4/nebula-1.0.0-rc4.ubuntu1804.amd64.deb)
+- 启动 Nebula 服务
+  - 在所有机器执行 `scripts/nebula.service start all` 命令
+  - 然后执行 `scripts/nebula.service status all` 确认进程正常启动
+- **重新导入数据**

docs/manual-CN/README.md

@@ -23,6 +23,7 @@
   * [导入 .csv 文件](3.build-develop-and-administration/3.deploy-and-administrations/server-administration/storage-service-administration/data-import/import-csv-file.md)
   * [加载 .sst 文件](3.build-develop-and-administration/3.deploy-and-administrations/server-administration/storage-service-administration/data-import/download-and-ingest-sst-file.md)
   * [Nebula Graph 客户端](1.overview/2.quick-start/3.supported-clients.md)
+
 * 系统设计与架构
   * [设计总览](1.overview/3.design-and-architecture/1.design-and-architecture.md)
   * [存储层架构](1.overview/3.design-and-architecture/2.storage-design.md)
@@ -157,6 +158,7 @@
 
 * [Gremlin VS nGQL](5.appendix/gremlin-ngql.md)
 * [Cypher V.S. nGQL](5.appendix/cypher-ngql.md)
+* [升级 Nebula Graph](5.appendix/upgrade-guide.md)
 
 ## 其他
 

docs/manual-EN/5.appendix/upgrade-guide.md

@@ -0,0 +1,16 @@
+# Nebula Graph Upgrading Guide
+
+This document describes how to upgrade Nebula Graph. Find the corresponding upgrade guide to your version below.
+
+## Upgrading From Nebula Graph RC3 t RC4
+
+- Stop all the Nebula services
+  - Run `scripts/nebula.service stop all` command on each machine
+  - Then run `scripts/nebula.service status all` command to confirm all services have exited successfully
+- Install the new `rpm` package on each machine
+  - Run `https://github.com/vesoft-inc/nebula/releases/tag/v1.0.0-rc4` command to download the package
+- Then run `rpm -Uvh nebula-1.0.0-rc4.el7-5.x86_64.rpm` command to install Nebula
+- Start Nebula services
+  - Run `scripts/nebula.service start all` command on each machine
+  - Then run `scripts/nebula.service status all` command to confirm all services have started successfully
+- **Reimport your data**

docs/manual-EN/README.md

@@ -159,6 +159,7 @@ It is the optimal solution in the world capable of hosting graphs with dozens of
 
 * [Gremlin V.S. nGQL](5.appendix/gremlin-ngql.md)
 * [Cypher V.S. nGQL](5.appendix/cypher-ngql.md)
+* [Upgrading Nebula Graph](5.appendix/upgrade-guide.md)
 
 ## Misc
 

mkdocs.yml

@@ -191,6 +191,8 @@ nav:
     - Appendix:
       - Cypher & nGQL: manual-EN/5.appendix/cypher-ngql.md
       - Gremlin & nGQL: manual-EN/5.appendix/gremlin-ngql.md
+      - Upgrading Nebula Graph: manual-EN/5.appendix/upgrade-guide.md
+