You want to use the following system table: column_storage
It has all the information you need. Row count and bytes per projection per node. You can always query it using SUM() to get the cut you want.
質問
How can I determine the bytes per row and/or column for a specific schema.table in Vertica?
解決
You want to use the following system table: column_storage
It has all the information you need. Row count and bytes per projection per node. You can always query it using SUM() to get the cut you want.