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Settings specific for data warehouses

The aggregate settings described here should be applied only when you use the corresponding data warehouse. To modify them:

  1. Make sure you are logged in as a super user.
  2. Go to Settings > Engine.
  3. Locate the setting you need, and update it.

Redshift​

aggregates.create.usectas.redshift​

This setting is specific for the Redshift data warehouse. When enabled (default), it allows using a faster method for creating aggregates for very large data sets. In case of performance issues you can try disabling or enabling this setting.

Snowflake​

aggregates.create.usectas.snowflake​

This setting is specific for the Snowflake data warehouse. When enabled (default), it allows using a faster method for creating aggregates for very large data sets. In case of performance issues you can try disabling or enabling this setting.

InterSystems IRIS​

aggregates.create.iris.nojourn.enabled​

This setting is specific for the InterSystems IRIS data warehouse, versions 2022.2 or newer. It allows you to set whether to use the %NOJOURN parameter when creating aggregate tables. The default value is 'false'.

DB2​

db2.value.compression.enabled​

Specify whether value compression for DB2 storage should be used. The default value is false.

db2.row.compression.enabled​

Specify whether row compression for DB2 storage should be used. The default value is false.

db2.row.compression.type​

Specify which DB2 compression method to use. This setting is applicable only if you set the value of db2.row.compression.enabled to true. The value should be ADAPTIVE or STATIC (default).