The Node Query page displays the monitoring results of tables and topics based on monitoring rules. After monitoring rules are triggered, you can go to the Node Query page to view monitoring results.

Go to the Node Query page

  1. Log on to the DataWorks console.
  2. In the left-side navigation pane, click Workspaces.
  3. After you select the region in which the workspace that you want to manage resides, find the workspace and click Data Analytics in the Actions column.
  4. Click the Icon icon in the upper-left corner and choose All Products > Data governance > Data Quality.
  5. On the Data Quality page, click Node Query in the left-side navigation pane.
    On the Node Query page, you can set parameters such as Engine/Data Source, Status, and My Subscriptions. You can set the parameters to filter nodes and view the monitoring results of E-MapReduce tables, Hologres tables, AnalyticDB for PostgreSQL tables, MaxCompute tables, and DataHub topics.

View the monitoring results of E-MapReduce, Hologres, AnalyticDB for PostgreSQL, and MaxCompute tables

MaxCompute tables
GUI element Description
Engine/Data Source The name of the compute engine. In this example, select EMR, Hologres, AnalyticDB for PostgreSQL, or MaxCompute.
Engine/Database Instance The name of the E-MapReduce instance, Hologres instance, AnalyticDB for PostgreSQL instance, or MaxCompute project where the desired tables reside.
Status The monitoring result of tables. Pay attention to partitions that trigger alerts or blocks.
Data Timestamp The data timestamp.
My Subscriptions Specifies whether to display only the monitoring results of tables that you subscribed to.
Run At The time when monitoring rules were triggered.
Table Name The name of the table that you want to view.
Node The node that triggered monitoring rules.
Details Find a table and click Details in the Actions column. On the page that appears, you can perform the following operations on each monitoring rule that is configured for the table:
  • Find a rule and click View History Check Results in the Actions column to view the monitoring result history of the rule.
  • Enter comments on a rule based on the execution status of the rule. Perform the following steps to enter comments on a rule:
    1. Find the rule and click Problem Handling in the Actions column.
    2. In the Problem Handling dialog box, set the Handling Method and Comments parameters.
    3. Click OK.
    Notice You can use the problem handling feature only in DataWorks Enterprise Edition or more advanced editions.
  • Find a rule and click Handling Logs in the Actions column to view the processing history of the rule.
Rules Find a table and click Rules in the Actions column to go to the rule configuration page of the table. On this page, you can view partition filter expressions and monitoring rules that are configured for the table and modify the rules as required. For more information, see Configure monitoring rules for MaxCompute.
View Log Find a table and click View Log in the Actions column to view the operational logs of monitoring rules that are configured for the table.
View Statistics Find a table and click View Statistics in the Actions column to view rule execution information about the table, including the number of rows and the table size.

View the monitoring results of DataHub topics

DataHub
GUI element Description
Engine/Data Source The name of the compute engine. In this example, select DataHub.
Connection The name of the DataHub connection.
Status The monitoring result of topics. Pay attention to topics that trigger alerts or blocks.
Topic The name of the topic that you want to view.
My Subscriptions Specifies whether to display only the monitoring results of topics that you subscribed to.
Clear Click Clear to clear the filter conditions you specified.
View Log Find a topic and click View Log in the Actions column to view the operational logs of monitoring rules that are configured for the topic.
Alerts Find a topic and click Alerts in the Actions column. On the Alerts page, you can view the details about alerts that are triggered by the topic.

On the Alerts page, you can find an alert and click Close in the Actions column. In the message that appears, click OK to disable the alert.