Docs: add `--upload-limit` and `--download-limit` (#626)

docs/en/command_reference.md

@@ -15,7 +15,7 @@ USAGE:
    juicefs [global options] command [command options] [arguments...]
 
 VERSION:
-   0.15-dev (2021-06-16 b5d0cd8)
+   0.16-dev (2021-07-12 d0a9d87)
 
 COMMANDS:
    format   format a volume
@@ -31,8 +31,8 @@ COMMANDS:
    profile  analyze access log
    status   show status of JuiceFS
    warmup   build cache for target directories/files
-   dump     dump JuiceFS metadata into a standalone file
-   load     load JuiceFS metadata from a previously dumped file
+   dump     dump metadata into a JSON file
+   load     load metadata from a previously dumped JSON file
    help, h  Shows a list of commands or help for one command
 
 GLOBAL OPTIONS:
@@ -203,6 +203,12 @@ number of connections to upload (default: 20)
 `--buffer-size value`\
 total read/write buffering in MiB (default: 300)
 
+`--upload-limit value`\
+bandwidth limit for upload in Mbps (default: 0)
+
+`--download-limit value`\
+bandwidth limit for download in Mbps (default: 0)
+
 `--prefetch value`\
 prefetch N blocks in parallel (default: 1)
 
@@ -270,6 +276,12 @@ number of connections to upload (default: 20)
 `--buffer-size value`\
 total read/write buffering in MiB (default: 300)
 
+`--upload-limit value`\
+bandwidth limit for upload in Mbps (default: 0)
+
+`--download-limit value`\
+bandwidth limit for download in Mbps (default: 0)
+
 `--prefetch value`\
 prefetch N blocks in parallel (default: 1)
 

docs/en/hadoop_java_sdk.md

@@ -103,13 +103,15 @@ Then put the JAR file and `$JAVA_HOME/lib/tools.jar` to the classpath of each Ha
 
 ### I/O Configurations
 
-| Configuration         | Default Value | Description                                     |
-| -------------         | ------------- | -----------                                     |
-| `juicefs.max-uploads` | 20            | The max number of connections to upload         |
-| `juicefs.get-timeout` | 5             | The max number of seconds to download an object |
-| `juicefs.put-timeout` | 60            | The max number of seconds to upload an object   |
-| `juicefs.memory-size` | 300           | Total read/write buffering in MiB               |
-| `juicefs.prefetch`    | 1             | Prefetch N blocks in parallel                   |
+| Configuration            | Default Value | Description                                     |
+| -------------            | ------------- | -----------                                     |
+| `juicefs.max-uploads`    | 20            | The max number of connections to upload         |
+| `juicefs.get-timeout`    | 5             | The max number of seconds to download an object |
+| `juicefs.put-timeout`    | 60            | The max number of seconds to upload an object   |
+| `juicefs.memory-size`    | 300           | Total read/write buffering in MiB               |
+| `juicefs.prefetch`       | 1             | Prefetch N blocks in parallel                   |
+| `juicefs.upload-limit`   | 0             | Bandwidth limit for upload in Mbps              |
+| `juicefs.download-limit` | 0             | Bandwidth limit for download in Mbps            |
 
 ### Other Configurations
 

docs/zh_cn/command_reference.md

@@ -15,7 +15,7 @@ USAGE:
    juicefs [global options] command [command options] [arguments...]
 
 VERSION:
-   0.15-dev (2021-06-16 b5d0cd8)
+   0.16-dev (2021-07-12 d0a9d87)
 
 COMMANDS:
    format   format a volume
@@ -31,8 +31,8 @@ COMMANDS:
    profile  analyze access log
    status   show status of JuiceFS
    warmup   build cache for target directories/files
-   dump     dump JuiceFS metadata into a standalone file
-   load     load JuiceFS metadata from a previously dumped file
+   dump     dump metadata into a JSON file
+   load     load metadata from a previously dumped JSON file
    help, h  Shows a list of commands or help for one command
 
 GLOBAL OPTIONS:
@@ -203,6 +203,12 @@ juicefs mount [command options] META-URL MOUNTPOINT
 `--buffer-size value`\
 读写缓存的总大小；单位为 MiB (默认: 300)
 
+`--upload-limit value`\
+上传带宽限制，单位为 Mbps (默认: 0)
+
+`--download-limit value`\
+下载带宽限制，单位为 Mbps (默认: 0)
+
 `--prefetch value`\
 并发预读 N 个块 (默认: 1)
 
@@ -270,6 +276,12 @@ juicefs gateway [command options] META-URL ADDRESS
 `--buffer-size value`\
 读写缓存的总大小；单位为 MiB (默认: 300)
 
+`--upload-limit value`\
+上传带宽限制，单位为 Mbps (默认: 0)
+
+`--download-limit value`\
+下载带宽限制，单位为 Mbps (默认: 0)
+
 `--prefetch value`\
 并发预读 N 个块 (默认: 1)
 

docs/zh_cn/hadoop_java_sdk.md

@@ -103,13 +103,15 @@ $ make
 
 ### I/O 配置
 
-| 配置项                | 默认值 | 描述                                                         |
-| ------------------    | ------ | ------------------------------------------------------------ |
-| `juicefs.max-uploads` | 20     | 上传数据的最大连接数                                         |
-| `juicefs.get-timeout` | 5      | 下载一个对象的超时时间，单位为秒。                           |
-| `juicefs.put-timeout` | 60     | 上传一个对象的超时时间，单位为秒。                           |
-| `juicefs.memory-size` | 300    | 读写数据的缓冲区最大空间，单位为 MiB。                       |
-| `juicefs.prefetch`    | 1      | 预读数据块的线程数                                       |
+| 配置项                   | 默认值 | 描述                                                         |
+| ------------------       | ------ | ------------------------------------------------------------ |
+| `juicefs.max-uploads`    | 20     | 上传数据的最大连接数                                         |
+| `juicefs.get-timeout`    | 5      | 下载一个对象的超时时间，单位为秒。                           |
+| `juicefs.put-timeout`    | 60     | 上传一个对象的超时时间，单位为秒。                           |
+| `juicefs.memory-size`    | 300    | 读写数据的缓冲区最大空间，单位为 MiB。                       |
+| `juicefs.prefetch`       | 1      | 预读数据块的线程数                                           |
+| `juicefs.upload-limit`   | 0      | 上传带宽限制，单位为 Mbps。                                  |
+| `juicefs.download-limit` | 0      | 下载带宽限制，单位为 Mbps。                                  |
 
   ### 其他配置