docs: add load limit (#745)

* docs: add load limit Signed-off-by: Gaius <[email protected]>
dragonflyoss · Oct 21, 2021 · 3f27d4f · 3f27d4f
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diff --git a/docs/en/images/manager-console/configure-cdn-cluster.jpg b/docs/en/images/manager-console/configure-cdn-cluster.jpg
diff --git a/docs/en/images/manager-console/configure-scheduler-cluster-client.jpg b/docs/en/images/manager-console/configure-scheduler-cluster-client.jpg
diff --git a/docs/en/images/manager-console/configure-scheduler-cluster.jpg b/docs/en/images/manager-console/configure-scheduler-cluster.jpg
diff --git a/docs/en/user-guide/console/preview.md b/docs/en/user-guide/console/preview.md
@@ -22,33 +22,67 @@ Default root username: `root` password: `dragonfly`.
 
 ## Pages
 
-### Sign in
+### User
+
+#### Sign in
 
 ![signin][signin]
 
-### Sign up
+#### Sign up
 
 ![signup][signup]
 
-### Scheduler Cluster
+### Configuration
+
+#### Scheduler Cluster
+
+##### Scheduler Cluster List
 
 ![scheduler-cluster][scheduler-cluster]
 
-### Add Scheduler Cluster
+##### Add Scheduler Cluster
 
 ![add-scheduler-cluster][add-scheduler-cluster]
 
-### CDN Cluster
+##### Configure Scheduler Cluster
+
+<p align="center">
+  <img width="500" height="500" src="../../images/manager-console/configure-scheduler-cluster.jpg">
+</p>
+
+##### Configure Scheduler Cluster's Client
+
+<p align="center">
+  <img width="500" height="500" src="../../images/manager-console/configure-scheduler-cluster-client.jpg">
+</p>
+
+- `load_limit`: client host can provide the maximum upload load.
+
+#### CDN Cluster
+
+##### CDN Cluster List
 
 ![cdn-cluster][cdn-cluster]
 
-### Add CDN Cluster
+##### Add CDN Cluster
 
 ![add-cdn-cluster][add-cdn-cluster]
 
+##### Configure CDN Cluster
+
+<p align="center">
+  <img width="500" height="500" src="../../images/manager-console/configure-cdn-cluster.jpg">
+</p>
+
+- `load_limit`: CDN host can provide the maximum upload load.
+
+
 [signin]: ../../images/manager-console/signin.jpg
 [signup]: ../../images/manager-console/signup.jpg
 [scheduler-cluster]: ../../images/manager-console/scheduler-cluster.jpg
 [add-scheduler-cluster]: ../../images/manager-console/add-scheduler-cluster.jpg
+[configure-scheduler-cluster]: ../../images/manager-console/configure-scheduler-cluster.jpg
+[configure-scheduler-cluster-client]: ../../images/manager-console/configure-scheduler-cluster-client.jpg
 [cdn-cluster]: ../../images/manager-console/cdn-cluster.jpg
 [add-cdn-cluster]: ../../images/manager-console/add-cdn-cluster.jpg
+[configure-cdn-cluster]: ../../images/manager-console/configure-cdn-cluster.jpg
diff --git a/docs/zh-CN/user-guide/console/preview.md b/docs/zh-CN/user-guide/console/preview.md
@@ -22,30 +22,60 @@ CDN 实例信息通过，配置文件启动实例上报指定 CDN 集群 ID。
 
 ## 功能页面
 
-### 登陆页面
+### 用户
+
+#### 登陆
 
 ![signin][signin]
 
-### 注册页面
+#### 注册
 
 ![signup][signup]
 
-### Scheduler 集群
+### 配置管理
+
+#### Scheduler 集群
+
+##### Scheduler 集群列表
 
 ![scheduler-cluster][scheduler-cluster]
 
-### 添加 Scheduler 集群
+##### 添加 Scheduler 集群
 
 ![add-scheduler-cluster][add-scheduler-cluster]
 
-### CDN 集群
+##### 配置 Scheduler 集群
+
+<p align="center">
+  <img width="500" height="500" src="../../../en/images/manager-console/configure-scheduler-cluster.jpg">
+</p>
+
+##### 配置 Scheduler 集群覆盖的客户端
+
+<p align="center">
+  <img width="500" height="500" src="../../../en/images/manager-console/configure-scheduler-cluster-client.jpg">
+</p>
+
+- `load_limit`: 客户端可以提供的最大下载任务负载数。
+
+#### CDN 集群
+
+##### CDN 集群列表
 
 ![cdn-cluster][cdn-cluster]
 
-### 添加 CDN 集群
+##### 添加 CDN 集群
 
 ![add-cdn-cluster][add-cdn-cluster]
 
+##### 配置 CDN 集群
+
+<p align="center">
+  <img width="500" height="500" src="../../../en/images/manager-console/configure-cdn-cluster.jpg">
+</p>
+
+- `load_limit`: CDN 可以提供的最大下载任务负载数。
+
 [signin]: ../../../en/images/manager-console/signin.jpg
 [signup]: ../../../en/images/manager-console/signup.jpg
 [scheduler-cluster]: ../../../en/images/manager-console/scheduler-cluster.jpg

diff --git a/manager/database/database.go b/manager/database/database.go
@@ -32,8 +32,8 @@ import (
 )
 
 const (
-	defaultCDNLoadLimit    = 100
-	defaultClientLoadLimit = 10
+	defaultCDNLoadLimit    = 300
+	defaultClientLoadLimit = 100
 )
 
 type Database struct {