amazon-web-services - Step Function 仅按并发 57 进行，我需要 300

Question

我已经将 MaxConcurrency 设置为 300，但是当我启动它时仍将 MaxConcurrency 执行为 57，我该如何更改它？Step 函数如何决定 MaxConcurrency？

来自 Step Function 的 JSON：

{
  "Comment": "Get data from S3, clean and send to RDS",
  "StartAt": "Create-Instances",
  "States": {
    "Create-Instances": {
      "Type": "Task",
      "Resource":"arn:aws:lambda:us-east-1:****",
      "Next": "Filter-Data"
    },
    "Filter-Data": {
      "Type": "Map",
      "ItemsPath": "$.body",
      "MaxConcurrency": 300,
      "Iterator": {
        "StartAt": "Validate",
        "States": {
          "Validate": {
            "Type": "Task",
            "InputPath": "$",
        "Resource": "arn:aws:lambda:us-east-1:****",
            "OutputPath": "$",
            "End": true
          }
        }
      },
      "End": true
    }
  }
}