2020-04-06 02:59:48 -04:00
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2020-04-06 02:59:48 -04:00
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## MiddleManager进程
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### 配置
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2021-08-04 14:41:23 -04:00
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对于Apache Druid MiddleManager配置，可以参见[索引服务配置](../configuration/human-readable-byte.md#MiddleManager)
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### HTTP
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2021-08-05 18:50:37 -04:00
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对于MiddleManager的API接口，详见 [MiddleManager API](../operations/api-reference.md#MiddleManager)
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### 综述
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MiddleManager进程是执行提交的任务的工作进程。MiddleManager将任务转发给运行在不同jvm中的Peon。我们为每个任务设置单独的jvm的原因是为了隔离资源和日志。每个Peon一次只能运行一个任务，但是，一个MiddleManager可能有多个Peon。
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### 运行
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2020-05-16 03:57:49 -04:00
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```json
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org.apache.druid.cli.Main server middleManager
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```
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