emqx · wivwiv · May 7, 2024 · Apr 24, 2024
diff --git a/dir.yaml b/dir.yaml
@@ -86,6 +86,7 @@
       path: deploy/license
     - title_en: Upgrade Guide
       title_cn: 升级指南
+      collapsed: true
       children:
         - title_en: Rolling Upgrade
           title_cn: 滚动升级

diff --git a/en_US/deploy/cluster/introduction.md b/en_US/deploy/cluster/introduction.md
@@ -85,16 +85,8 @@ To use this feature:
 
 Then EMQX will keep the previous session data associated with the Client ID when the client disconnects. If this client reconnects, EMQX will resume the previous sessions, deliver any messages that were queued during the client's disconnection, and maintain the client's subscriptions.
 
-## Network and Hardware Specifications
+## Network Requirements
 
-Below are the network requirements and hardware specifications recommend to run EMQX clusters.
-
-**Network**
-
-Network latency: < 10 ms. The cluster will not be available if the latency is higher than 100 ms.
+To ensure optimal performance, the network latency for operating EMQX clusters should be less than 10 milliseconds. The cluster will not be available if the latency is higher than 100 ms.
 
 The core nodes should be under the same private network. In Mria+RLOG mode, it is also recommended to deploy the replicant nodes in the same private network.
-
-**CPU and Memory**
-
-You can use the [Server Estimate](https://www.emqx.com/en/server-estimate) to calculate the CPU and memory resources needed under various connections and Pub&Sub TPS. It is recommended to configure a higher memory of the Core nodes. 
diff --git a/en_US/deploy/install.md b/en_US/deploy/install.md
@@ -1,20 +1,20 @@
-{% emqxee %}
-# Installation EMQX Enterprise
-{% endemqxee %}
-
-{% emqxce %}
-# Installation EMQX
-{% endemqxce %}
+# Installation and Migration
 
 
 This chapter walks you through the basic installation steps for EMQX, the minimum hardware specification, and the file and directory locations to facilitate future configuration and maintenance jobs.
 
 {% emqxee %}
 
-This chapter will also cover how to configure a license for EMQX and how to migrate from EMQX 4.4 to EMQX 5.1.
+This chapter also covers how to configure a license for EMQX and how to migrate from EMQX 4.4 to EMQX 5.1.
 
 {% endemqxee %}
 
+{% emqxce %}
+
+This chapter also covers how to migrate from EMQX 4.4 to EMQX 5.1.
+
+{% endemqxce %}
+
 ## Installation Environment
 
 The Erlang VM powering EMQX relies on system locale settings to enable Unicode support for various functionalities, including [filenames](https://www.erlang.org/doc/apps/stdlib/unicode_usage.html#unicode-filenames) and [terminal IO](https://www.erlang.org/doc/apps/stdlib/unicode_usage.html#the-interactive-shell) in interactive Erlang shells.
@@ -82,14 +82,14 @@ sudo update-locale LANG=C.UTF-8
 
 EMQX releases the installation packages for different operating systems or platforms in each release. You may click the links below to download.
 
-- EMQX website: <https://www.emqx.io/downloads>
+EMQX website: <https://www.emqx.io/downloads>
 
 You can also download the alpha, beta, or rc versions from our [GitHub pages](https://github.com/emqx/emqx/releases).
 {% endemqxce %}
 
 {% emqxee %}
 
-EMQX releases the corresponding Docker image and the installation packages for different operating systems or platforms in each release. You may click the link below to download.
+EMQX releases the corresponding Docker image and the installation packages for different operating systems or platforms in each release. You may click the link below to download it.
 
 EMQX website: <https://www.emqx.com/en/try?product=enterprise>
 
@@ -128,9 +128,9 @@ The table below lists the operating systems and versions that EMQX supports.
 
 {% endemqxee %}
 
-## Hardware Specification
+## <!--Hardware Specification
 
-Depending on the number of client connections, message rate, message size, and enabled features, the minimum hardware specification for EMQX varies.
+Depending on the number of client connections, message rate, message size, and enabled features, the minimum hardware specification for EMQX varies. 
 
 Below are hardware specifications for running EMQX with simple workloads, supporting 100,000 client connections and 100,000 messages per second of throughput.
 
@@ -145,7 +145,7 @@ Below are hardware specifications for running EMQX with simple workloads, suppor
 
 In production environments, you can use the [Server Estimate](https://www.emqx.com/en/server-estimate) calculator to calculate the recommended hardware specification under various maximum connections and message throughput.
 
-:::
+::: -->
 
 ## Files and Directories
 

diff --git a/en_US/faq/faq.md b/en_US/faq/faq.md
@@ -481,7 +481,7 @@ The following factors will have an impact on EMQX resource consumption, mainly o
 
 If client devices connect to EMQX through TLS, more CPU resource is required for encryption and decryption. Our suggested solution is to add a load balancer in front of EMQX nodes, the TLS is offloaded at load balance node, connections between load balancer and backend EMQX nodes use plain TCP connections.
 
-You can use our online calculation tool [https://www.emqx.com/en/server-estimate](https://www.emqx.com/en/server-estimate) to estimate the resource consumption.
+<!-- You can use our online calculation tool [https://www.emqx.com/en/server-estimate](https://www.emqx.com/en/server-estimate) to estimate the resource consumption.-->
 
 ## My connections number is small, do I still need to deploy multiple nodes in production?
 

diff --git a/zh_CN/deploy/install.md b/zh_CN/deploy/install.md
@@ -1,13 +1,19 @@
-# 概览
+# 安装部署和迁移
 
-本章将向您介绍如何下载和安装 EMQX，运行 EMQX 所需满足的最低硬件规则，以及安装完成后 EMQX 所在目录的文件夹结构，以便后续的配置和维护操作。
+本章将向您介绍如何下载和安装 EMQX，支持的操作系统和平台，以及安装完成后 EMQX 所在目录的文件夹结构，以便后续的配置和维护操作。
 
 {% emqxee %}
 
-本章还将介绍许可证的配置，以及如何从 EMQX 4.4 迁移至 EMQX 5.1。
+本章还介绍了许可证的配置，以及如何从 EMQX 4.4 迁移至 EMQX 5.1。
 
 {% endemqxee %}
 
+{% emqxce %}
+
+本章还介绍了如何从 EMQX 4.4 迁移至 EMQX 5.1。
+
+{% endemqxce %}
+
 ## 安装环境
 
 EMQX 所使用的 Erlang 虚拟机依赖于系统区域设置来启用各种功能的 Unicode 支持，包括交互式 Erlang Shell 中的[文件名](https://www.erlang.org/doc/apps/stdlib/unicode_usage.html#unicode-filenames)和[终端 IO](https://www.erlang.org/doc/apps/stdlib/unicode_usage.html#the-interactive-shell)。
@@ -120,7 +126,7 @@ EMQX 可以跨平台的在多种操作系统和硬件平台上运行，以下是
 
 {% endemqxee %}
 
-## 硬件规格
+## <!--硬件规格
 
 EMQX 的硬件要求根据客户端连接数、消息消息速率和消息大小以及启用的功能而异。
 下面的最低硬件规格适用于运行 EMQX 并进行简单的功能验证，推荐配置能够支撑 10 万客户端连接以及每秒 10 万条消息吞吐。
@@ -136,7 +142,7 @@ EMQX 的硬件要求根据客户端连接数、消息消息速率和消息大小
 
 在生产环境中，您可通过我们的[配置估算计算器](https://www.emqx.com/zh/server-estimate)来计算不同连接与消息吞吐下的推荐硬件规格。
 
-:::
+:::-->
 
 ## 文件和目录
 

diff --git a/zh_CN/faq/faq.md b/zh_CN/faq/faq.md
@@ -447,7 +447,7 @@ EMQX 对资源的使用主要有以下的影响因素，每个因素都会对计
 
 另外，如果设备通过 TLS（加密的连接）连接 EMQX，EMQX 会需要额外的资源（主要是 CPU 资源）。推荐方案是在 EMQX 前面部署负载均衡，由负载均衡节点卸载 TLS，实现职责分离。
 
-可参考 [https://www.emqx.com/zh/server-estimate](https://www.emqx.com/zh/server-estimate) 来预估计算资源的使用。
+<!--可参考 [https://www.emqx.com/zh/server-estimate](https://www.emqx.com/zh/server-estimate) 来预估计算资源的使用-->
 
 ## 我的连接数目并不大，EMQX 生产环境部署需要多节点吗？