Creating extensions Writing your own extensions Creating a Druid Module Registering your Druid Module Adding a new deep storage implementation Validating your deep storage imple...

Examples Security Global variables Performance JavaScript vs. Native Extensions This page discusses how to use JavaScript to extend Apache Druid. Examples JavaScript can be...

Microsoft SQLServer Setting up SQLServer Microsoft SQLServer To use this Apache Druid extension, include sqlserver-metadata-storage in the extensions load list. Setting up ...

Microsoft SQLServer Setting up SQLServer Microsoft SQLServer To use this Apache Druid extension, include sqlserver-metadata-storage in the extensions load list. Setting up ...

Setting up SQLServer To use this Apache Druid extension, include sqlserver-metadata-storage in the extensions load list. Setting up SQLServer Install Microsoft SQLServer C...

Configure Druid for mixed workloads Query laning General properties Lane-specific properties Example Service tiering Historical tiering Configure segment loading Assign Histor...

Native queries Available queries Aggregation queries Metadata queries Search queries Which query should I use? Query cancellation Query errors Native queries Apache Dru...

Java runtime Selecting a Java runtime Garbage collection Strong encapsulation Java runtime Apache Druid is written in Java and requires a Java runtime. This page provides det...

Legacy Management UIs Legacy consoles Coordinator consoles Version 2 Version 1 Overlord console Legacy Management UIs Legacy consoles Druid provides a console for managi...

Authentication and authorization model Default user accounts Authenticator Authorizer Defining permissions DATASOURCE CONFIG STATE HTTP methods SQL Permissions Configurat...