Db2 for LUW as Target

Fivetran HVR supports integrating changes into Db2 for Linux, UNIX and Windows database. This section describes the configuration requirements for integrating changes (using Integrate or Refresh) into Db2 for LUW location. For the list of supported Db2 for LUW versions, into which HVR can integrate changes, see Integrate changes into location in Capabilities.

Grants for Integrate and Refresh

This section lists the grants required for integrating changes into Db2 for LUW.

• To Integrate or Refresh changes into Db2 for LUW, the HVR database user must be granted the following privileges:

  GRANT SELECT ON tablename TO USER username
  GRANT INSERT ON tablename TO USER username
  GRANT UPDATE ON tablename TO USER username
  GRANT DELETE ON tablename TO USER username
  

• The HVR database user should have permission to load data:

  GRANT LOAD ON DATABASE TO USER username
  

• The HVR database user should have permission to create and drop HVR state tables:

  GRANT CREATETAB ON DATABASE TO USER username
  

Integrate into Db2 DPF

In a Db2 DPF environment, transactionality is maintained within individual nodes but not across nodes. Therefore, when performing Integrate, it is crucial to select only one Db2 DPF location to prevent data duplication and potential inconsistencies.

Intermediate Directory

This option in the HVR UI allows you to specify a directory path for storing intermediate (temporary) files generated during Compare. These files are created during both "direct file compare" and "online compare" operations.

Using an intermediate directory can enhance performance by ensuring that temporary files are stored in a location optimized for the system's data processing needs.

This setting is particularly relevant for target file locations, as it determines where the intermediate files are placed during the Compare operation. If this option is not enabled, the intermediate files are stored by default in the integratedir/_hvr_intermediate directory, where integratedir is the replication DIRECTORY (File_Path) defined for the target file location.

This option is equivalent to the location property Intermediate_Directory.

Intermediate Directory is Local

This option in HVR UI specifies that the Intermediate Directory will be created on the local drive of the file location's server.

This setting is crucial for optimizing performance, as it reduces network latency and avoids potential permission issues associated with remote storage. By storing intermediate files locally, HVR can process data more efficiently, taking advantage of the speed and reliability of local storage.

This option is particularly beneficial when the HVR Agent has access to ample local storage, enabling it to handle large data volumes without relying on networked storage solutions.

This option is equivalent to the location property Intermediate_Directory_Is_Local.