Druid

The driver for Druid is community-supported and is not maintained by Cube or the database vendor.

The driver for Druid is community-supported and is not maintained by Cube or the database vendor.

Prerequisites

• The URL for the Druid database
• The username/password for the Druid database server

Setup

Manual

Add the following to a .env file in your Cube project:

CUBEJS_DB_TYPE=druid
CUBEJS_DB_URL=https://my.druid.host:8082
CUBEJS_DB_USER=druid
CUBEJS_DB_PASS=**********

Environment Variables

Environment Variable	Description	Possible Values	Required
CUBEJS_DB_URL	The URL for a database	A valid database URL for Druid	✅
CUBEJS_DB_USER	The username used to connect to the database	A valid database username	✅
CUBEJS_DB_PASS	The password used to connect to the database	A valid database password	✅
CUBEJS_DB_MAX_POOL	The maximum number of concurrent database connections to pool. Default is 8	A valid number	❌
CUBEJS_CONCURRENCY	The number of concurrent queries to the data source	A valid number	❌

Pre-Aggregation Build Strategies

To learn more about pre-aggregation build strategies, head here.

Feature	Works with read-only mode?	Is default?
Batching	✅	✅
Export Bucket	-	-

By default, Druid uses batching to build pre-aggregations.

Batching

No extra configuration is required to configure batching for Druid.

Export Bucket

Druid does not support export buckets.

SSL

Cube does not require any additional configuration to enable SSL as Druid connections are made over HTTPS.