Vertica in Eon Mode: Revive

Soniya Shah, Information Developer
May 23, 2018

This blog post was authored by Soniya Shah. Overview An Eon Mode database keeps an updated version of its data and metadata in a communal storage location. After you shut down the database, the data continues to reside in communal storage. When you are ready to use the storage again, you can revive the database...

Vertica Quick Tip: Monitoring the Ancient History Mark

Soniya Shah, Information Developer
May 23, 2018

This blog post was authored by Jim Knicely. Also known as AHM, the ancient history mark is the oldest epoch whose data is accessible to historical queries. Any data that precedes the AHM is eligible to be purged. If a cluster nodes is down or if a database contains projections that need to be refreshed,...