Github user dyozie commented on a diff in the pull request:
https://github.com/apache/incubator-hawq-docs/pull/33#discussion_r84996425
--- Diff: pxf/HDFSFileDataPXF.html.md.erb ---
@@ -2,388 +2,282 @@
title: Accessing HDFS File Data
---
-## <a id="installingthepxfhdfsplugin"></a>Prerequisites
+HDFS is the primary distributed storage mechanism used by Apache Hadoop
applications. The PXF HDFS plug-in reads file data stored in HDFS. The plug-in
supports plain delimited and comma-separated-value format text files. The HDFS
plug-in also supports the Avro binary format.
-Before working with HDFS file data using HAWQ and PXF, you should perform
the following operations:
+This section describes how to use PXF to access HDFS data, including how
to create and query an external table from files in the HDFS data store.
-- Test PXF on HDFS before connecting to Hive or HBase.
-- Ensure that all HDFS users have read permissions to HDFS services and
that write permissions have been limited to specific users.
+## <a id="hdfsplugin_prereq"></a>Prerequisites
-## <a id="syntax1"></a>Syntax
+Before working with HDFS file data using HAWQ and PXF, ensure that:
-The syntax for creating an external HDFS file is as follows:Â
+- The HDFS plug-in is installed on all cluster nodes.
--- End diff --
Add an XREF here.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
