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Installing MySQL
About This Task Before You Begin Steps About This Task You can install MySQL 5.5 or later. Before You Begin On the Ambari host, install the JDBC driver for MySQL, and then a... -
Distributed publish/subscribe
Topic Java RTopic object implements Publish / Subscribe mechanism based on Redis Pub/Sub or Valkey Pub/Sub . It allows to subscribe on events published with multiple instances o... -
Gobblin as a Library
Using Gobblin as a Library Creating an Embedded Gobblin instance Configuring Embedded Gobblin Running Embedded Gobblin Extending Embedded Gobblin Using Gobblin as a Library ... -
Configure Druid and Superset Metadata Stores in Postgres
About This Task Steps About This Task Druid and Superset require a relational data store to store metadata. To use Postgres for this, install Postgres and create a database for... -
Flink DDL
DDL commands CREATE Catalog Hive catalog This creates an Iceberg catalog named hive_catalog that can be configured using 'catalog-type'='hive' , which loads tables from Hive m... -
Amazon RDS Requirements
Ranger requires a relational database as its policy store. There are additional prerequisites for Amazon RDS-based databases due to how Amazon RDS is set up and managed: MySQL/M... -
GoogleFirestore
Description Key features Options project_id [string] collection [string] credentials [string] common options Example Changelog next version Google Firestore sink connec... -
Client-Side Caching
Native implementation Client Side caching is implemented using client tracking listener through RESP3 protocol available in Redis or Valkey. It’s used to speed up read operation... -
Configuring SAM and Schema Registry Metadata Stores in MySQL
Steps Steps Launch the MySQL monitor: mysql - u root - p Create the database for Schema Registry and SAM metastore: create database registry ; create database str... -
Queries
Spark Queries To use Iceberg in Spark, first configure Spark catalogs . Iceberg uses Apache Spark’s DataSourceV2 API for data source and catalog implementations. Querying with S...
