Before data migration, you had tuned events Kafka scheduler to preserve the time stamp of the backdated events.Hence after data migration, you must revert events Kafka scheduler to the default configuration to avoid any performance issue.
Data migration may take a while depending on the number of entities and events. Hence, ensure that you perform the following after migration is complete.
To revert event Kafka scheduler configuration:
Log in to Vertica node 1.
Change to the directory:
Example: cd /opt/arcsight-vertica/scripts
Execute the following command to revert to default configuration: