Neither Master.InodeHeapSize nor Master.BlockHeapSize can be found in metrics/json

[ziyangRen]

Alluxio Version: 2.9.3

Describe the bug Neither Master.InodeHeapSize nor Master.BlockHeapSize can be found in metrics/json

[jasondrogba]

Have you set the master's metrics correctly? https://docs.alluxio.io/os/user/stable/en/operation/Metrics-System.html#usage

You can send an HTTP request to /metrics/json/ of the target Alluxio processes to get a snapshot of all metrics in JSON format.

[YichuanSun]

Close due to no response.