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1 Introduction

The EDB Postgres Hadoop data adapter (hdfs_fdw) is a Postgres extension that allows you to access data that resides on a Hadoop file system from an Advanced Server or PostgreSQL server. The data adapter makes the Hadoop file system a read-only data source that you can use with Postgres functions and utilities, or in conjunction with other data that resides on a Postgres host.
The Postgres data adapter can be installed with a graphical installer or an RPM package. You can download an installer from the EnterpriseDB website; visit:
This guide uses the term Postgres to refer to an instance of either EDB Postgres Advanced Server or PostgreSQL.

1 Introduction

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