Github user dyozie commented on a diff in the pull request:
https://github.com/apache/incubator-hawq-docs/pull/46#discussion_r85792301
--- Diff: pxf/HDFSWritablePXF.html.md.erb ---
@@ -0,0 +1,410 @@
+---
+title: Writing Data to HDFS
+---
+
+The PXF HDFS plug-in supports writable external tables using the
`HdfsTextSimple` and `SequenceWritable` profiles. You might create a writable
table to export data from a HAWQ internal table to HDFS.
+
+This section describes how to use these PXF profiles to create writable
external tables.
+
+**Note**: You cannot directly query data in a HAWQ writable table. After
creating the external writable table, you must create a HAWQ readable external
table accessing the HDFS file, then query that table. ??You can also create a
Hive table to access the HDFS file.??
+
+## <a id="pxfwrite_prereq"></a>Prerequisites
+
+Before working with HDFS file data using HAWQ and PXF, ensure that:
+
+- The HDFS plug-in is installed on all cluster nodes. See [Installing
PXF Plug-ins](InstallPXFPlugins.html) for PXF plug-in installation information.
+- All HDFS users have read permissions to HDFS services and that write
permissions have been restricted to specific users.
+
+## <a id="hdfsplugin_writeextdata"></a>Writing to PXF External Tables
+The PXF HDFS plug-in supports writable two profiles: `HdfsTextSimple` and
`SequenceWritable`.
--- End diff --
writable two -> two writable
Also, seems like there should be some mention of the difference between
these profiles by now.
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