This topic describes how to write data from open source Apache Flink to Hologres in real time.
Prerequisites
- A Hologres instance is created and the instance is connected to a developer tool. Hologres is connected to the PostgreSQL client in this topic. For more information, see PSQL quick start.
- A Flink cluster is created. You can download a binary file from the Flink official website and create a Flink cluster that is deployed in Standalone mode. For more information about how to create a Flink cluster, see Local Installation of Flink. A Flink 1.10 cluster is used in this topic.