Impala Data Source

This component is supported in Gathr on-premise. Under the Schema Type tab, select Fetch From Source or Upload Data File.

When fetch from source is chosen, the schema tab comes after the configuration, and when you upload data, the schema tab comes before configuration.

Configuring Impala Data Source

Field	Description
Connection Name	Connections are the Service identifiers. Select the connection name from the available list of connections, from where you would like to read the data.
Query	Write a custom query for Impala.
Fetch Size	The fetch size determines the number of rows to be fetched per round trip.

Field

Description

Connection Name

Connections are the Service identifiers.

Select the connection name from the available list of connections, from where you would like to read the data.

Query

Write a custom query for Impala.

Fetch Size

The fetch size determines the number of rows to be fetched per round trip.

Click on the Add Notes tab. Enter the notes in the space provided.

Click Done to save the configuration.

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