Hadoop Foreign Data Wrapper¶
The Hadoop Foreign Data Wrapper (hdfs_fdw ) is a Postgres extension
that allows you to access data that resides on a Hadoop file system from
EDB Postgres Advanced Server. The foreign data wrapper makes the Hadoop
file system a read-only data source that you can use with Postgres
functions and utilities or with other data that resides on a Postgres
host.
- Release Notes
- Supported database versions
- Architecture overview
- Key features
- Supported authentication methods
- Installing Hadoop Foreign Data Wrapper
- Initial configuration
- Upgrading
- Uninstalling
- Using Apache Hive or Apache Spark
- Join pushdown
- Aggregate pushdown
- ORDER BY pushdown
- LIMIT OFFSET pushdown
- Identifying the version
