Metadata Migration Shut down cluster services Exporting metadata Initializing the new metadata store Create database Update configuration Create Druid tables MySQL PostgreSQL ...

Metadata Migration Shut down cluster services Exporting metadata Initializing the new metadata store Create database Update configuration Create Druid tables MySQL PostgreSQL ...

Legacy metadata API Segment loading Segment loading by datasource Metadata store information Datasources Intervals Server information Query server Broker Datasource informati...

reset-cluster tool reset-cluster tool The reset-cluster tool can be used to completely wipe out Apache Druid cluster state stored on Metadata and Deep storage. This is intended...

ZooKeeper Minimum ZooKeeper versions ZooKeeper Operations Coordinator Leader Election Segment “publishing” protocol from Historical and Realtime ZooKeeper Apache Druid uses ...

reset-cluster tool reset-cluster tool The reset-cluster tool can be used to completely wipe out Apache Druid cluster state stored on Metadata and Deep storage. This is intended...

reset-cluster tool reset-cluster tool The reset-cluster tool can be used to completely wipe out Apache Druid cluster state stored on Metadata and Deep storage. This is intended...

Configuring Apache Druid to use Kerberized Apache Hadoop as deep storage Hadoop Setup HDFS Folders and permissions Druid Setup common.runtime.properties Hadoop Jars Kerberos se...

Legacy metadata API Segment loading Segment loading by datasource Metadata store information Datasources Intervals Server information Query server Broker Datasource informati...

SQL data types Standard types Arrays Multi-value strings Multi-value strings behavior NULL values Legacy null handling mode Boolean logic Nested columns SQL data types i...