Tables
You can check the current information for each of the tables in the metastore, for a selected cluster, from the Tables tab. The following details are shown:
Users accessing the tables
Number of applications accessing the tables
Number of partitions in a table
Types of applications accessing the tables
Table metadata
Table size
Tables running in (hot, warm, cold, and unknown states)
Total number of tables in a cluster
Recommendations and insights for the table
Configuring Tables report
Refer to Data Page configurations and ensure that the configurations for Hive Metstore connection and FSImage are set.
Viewing table details
Go to the Data > Tables tab.
From the Cluster drop-down, select a cluster. The corresponding metastore IDs are automatically displayed in the Metastore drop-down.
Select a metastore option. A list of tables is displayed with the following metadata. The total tables for the selected cluster and metastore are displayed on the left . You can click to export the list of tables in CSV format.
Click in the table header, to add or the columns in the table.
Metadata
Description
Database
Name of the database where the table is stored.
Table
Name of the table.
Owner
Owner of the table.
Path
Location of the table. Hover over to view the complete path.
Table Type
Type of the table.
File System
File system that is used to store the table. Hover over to view the source of the table. For example, metastore or apps.
Storage Format
The format in which the table is stored. For example, text, ORC, PARQUET.
Hover over to view the source of the table and the last updated time of this field.
Created
Date and time when the table was created. Hover over to view the source of the table and the last updated time of this field.
Latest Access
Date and time when the table was last accessed. Hover over to view the source of the table and the last updated time of this field
Size
Size of the table.
Apps
The type of app accessing the tables. Hover over to view various apps accessing the tables and the last updated time of this field.
Partitions
Number of partitions in a table.
Users
Number of users accessing the table.
More Info
Click to access more information about the selected table.
Select the checkbox corresponding to a table for which you want to view the details. The following graphs are updated based on the selection:
Users: This graph plots the number of users who access the tables on a given day.
Apps: This graph plots the number of applications that access the tables on a given day.
Size: This graph plots the table size on a given day.
Viewing more information
Searching and filtering tables
You can filter the tables using the heat map labels.
Go to Data > Tables > Table state section.
From the Table State in the left, select any of the following heat labels:
The tables matching the corresponding heat labels are listed in the table. Here, the Hot option was selected, the corresponding tables, that are color-coded with a red line on the left, are shown. Click the Reset button to discard the filters.
Optionally, you can define the heat labels for the table, click in the Table State section. The Label Tables dialog is displayed.
Move the color-slider to set the period for the tables to be defined under a specific color-coded heat label.
In the Search box, you can enter the name of the table and click , the corresponding tables are displayed.