12.0 Tuning Ingestion of Backdated Events

Events Kafka scheduler reads events from Transformation Hub and stores the events in Vertica. Before initiating data migration, you must tune events Kafka scheduler to preserve the time stamp of the backdated events.

To tune event Kafka scheduler for data migration:

  1. Log in to Vertica node 1.

  2. Change to the directory:

    cd <vertica_installation_dir>/scripts

    Example: cd /opt/arcsight-vertica/scripts

  3. Before data migration, execute the following to accept backdated data:

    ./tuning_util.sh -d

IMPORTANT:After data migration from data sources, you must revert events Kafka scheduler to the default configuration to avoid any performance issue. For more information, see Reverting Backdated Events Configuration.