This page outlines the current rate limits and quota limits for BigQuery BI Engine.
During the beta period, BI Engine is subject to the following capacity limits:
- The maximum size of a BI Engine cache is 10 GB. This limit does not affect the size of the tables you're querying. BI Engine caches only the columns used in your queries.
Changes in capacity limits are announced via the BI Engine release notes.
If you run a query that produces query results larger than the size of your BI Engine capacity, the BI Engine self-tuning feature uses BigQuery slots to run the query. When BigQuery slots are used to run a query, you are charged based on BigQuery on-demand query pricing for the query job. When slots are used to run a query, all BigQuery quotas and limits on query jobs apply.