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Viewing Monitoring Metrics

Updated on 2025-02-18 GMT+08:00

Scenario

After you start a real-time migration job, Cloud Eye automatically associates monitoring metrics of the job. This helps you learn the status of the job.

NOTE:

It takes some time for the system to obtain and transmit monitoring data, so the job status displayed on the Job Monitoring page is not up-to-date. If you just started a real-time migration job, wait for 5 to 10 minutes and then view the monitoring data.

Prerequisites

  • You have obtained required Cloud Eye permissions.
  • The real-time migration job is running properly. If it has been stopped or is abnormal, you can only view its monitoring metrics in the last seven days.
  • The real-time migration job has been running properly for about 10 minutes.

Supported Monitoring Metrics

Table 1 lists the monitoring metrics supported for real-time processing migration jobs.

Table 1 Monitoring metrics supported for real-time processing migration jobs

Metric Name

Description

Value Range

Monitored Object

Monitoring Period (Raw Data)

Source Database WAL Extraction Latency

Latency of extracting WALs from the source database

≥ 0 ms

Real-time processing migration job

1 minute

Job Data Read Rate

Data input rate of a Flink job for monitoring and debugging

≥ record/s

Real-time processing migration job

1 minute

Job Data Write Rate

Data output rate of a Flink job for monitoring and debugging

≥ record/s

Real-time processing migration job

1 minute

Job Total Data Read

Total number of data inputs of a Flink job for monitoring and debugging

≥ records

Real-time processing migration job

1 minute

Job Total Data Write

Total number of output data records of Flink jobs for monitoring and debugging.

≥ records

Real-time processing migration job

1 minute

Job Byte Read Rate

Input bytes of a Flink job per second

≥ Byte/s

Real-time processing migration job

1 minute

Job Byte Write Rate

Output bytes of a Flink job per second

≥ Byte/s

Real-time processing migration job

1 minute

Job Total Read Byte

Total number of input bytes of a Flink job

≥ Byte

Real-time processing migration job

1 minute

Job Total Write Byte

Total number of output bytes of a Flink job

≥ Byte

Real-time processing migration job

1 minute

Job CPU Usage

CPU usage of the Flink job

≥ 0%

Real-time processing migration job

1 minute

Job Memory Usage

Memory usage of the Flink job

≥ 0%

Real-time processing migration job

1 minute

Job Maximum Operator Latency

Maximum operator latency of a Flink job, in milliseconds

≥ 0 ms

Real-time processing migration job

1 minute

Job Maximum Operator Backpressure

Maximum operator back pressure value of a Flink job. The value ranges from 0 to 1. A larger value indicates severer back pressure.

≥ 0

Real-time processing migration job

1 minute

Procedure

  1. Log in to the DataArts Studio console by following the instructions in Accessing the DataArts Studio Instance Console.
  2. On the DataArts Studio console, locate a workspace and click DataArts Factory.
  3. In the left navigation pane of DataArts Factory, choose Monitoring > Job Monitoring.
  4. On the Real-Time Migration Jobs page, click a job name.
    Figure 1 Monitoring a real-time migration job
  5. On the details page, click the Monitoring Information tab. You can view some key metrics of the job at the bottom of the page.
    Figure 2 Key metrics
  6. Click View Monitoring Metrics to go to the Cloud Eye console and view monitoring metrics.
    Figure 3 Viewing monitoring metrics
    NOTE:

    For more information about monitoring metrics, see the Cloud Eye User Guide.

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