ADF自托管集成运行时的并发限制默认为4个，并且此限制不可编辑。然而，可以通过创建多个自托管集成运行时并将它们分配给不同的管道来实现并行处理和并发限制。以下是创建自托管集成运行时的代码示例：

{
    "name": "IntegrationRuntimeName",
    "type": "Microsoft.DataFactory/factories/integrationRuntimes",
    "properties": {
        "type": "SelfHosted",
        "description": "",
        "selfHosted": {
            "runtimeVersion": "Default",
            "nodeName": "",
            "hostServiceUri": ""
        }
    }
}

创建多个自托管集成运行时后，您需要将它们分配给不同的管道。例如，将两个自托管集成运行时分配给两个不同的管道：

{
    "name": "SamplePipeline1",
    "properties": {
        "activities": [
            {
                "name": "SampleActivity1",
                "type": "Copy",
                "inputs": [
                    {
                        "referenceName": "SampleDataset1",
                        "type": "DatasetReference"
                    }
                ],
                "outputs": [
                    {
                        "referenceName": "SampleDataset2",
                        "type": "DatasetReference"
                    }
                ],
                "typeProperties": {
                    "source": {
                        "type": "BlobSource"
                    },
                    "sink": {
                        "type": "BlobSink"
                    },
                    "enableStaging": false,
                    "integrationRuntime": {
                        "type": "Managed",
                        "referenceName": "ManagedIntegrationRuntimeName"
                    }
                }
            }
        ],
        "parameters": {}
    }
},
{
    "name": "SamplePipeline2",
    "properties": {
        "activities": [
            {
                "name": "SampleActivity2",
                "type": "Copy",
                "inputs": [
                    {
                        "referenceName": "SampleDataset3",
                        "type": "DatasetReference"
                    }
                ],
                "outputs": [
                    {
                        "referenceName": "SampleDataset4",
                        "type": "DatasetReference"
                    }
                ],
                "typeProperties": {
                    "source": {
                        "type": "BlobSource"
                    },
                    "sink": {
                        "type": "BlobSink"
                    },
                    "enableStaging": false,
                    "integrationRuntime": {
                        "type": "Managed",
                        "referenceName": "ManagedIntegrationRuntimeName2"
                    }