First pass on import-export.rst

Author: monkey101

source/administration/import-export.rst

@@ -10,11 +10,11 @@ operation; however, some cases require additional import and export
 functionality.
 
 This document provides an overview of the import and export tools
-provided in distributions of MongoDB administrators. These utilities
+provided in distributions for MongoDB administrators. These utilities
 are useful when you want to backup or export a portion of your
 database without capturing the state of the entire database. For more
 complex data migration tasks, you may want to write your own import
-and export scripts using a client driver :term:`driver` to interact
+and export scripts using a client :term:`driver` to interact
 with the database itself.
 
 .. warning::
@@ -23,9 +23,16 @@ with the database itself.
    :program:`mongod` instance, they can impact the performance of your
    running database.
 
+   TODO Do you want to mention why? For instance, traversing your entire
+   database will pull in ALL data, potentially evicting current working
+   set.  This could be potentially linked to some page discussing 
+   memory mapped files, etc...
+
    :program:`mongoimport` and :program:`mongoexport` do not reliably
    preserve data types. As a result data exported or imported with
-   these tools may loose some measure of fidelity. Use with care.
+   these tools may lose some measure of fidelity. Use with care.
+   
+   TODO link to caveat section about which types are kept or lost
 
 Using Database Imports and Exports for Backups
 ----------------------------------------------
@@ -37,10 +44,10 @@ tools and operations discussed provide functionality that's useful in
 the context of providing some kinds of backups.
 
 By contrast, use import and export tools to backup a small subset of
-your data. These backups may capture a small crucial set of data or a
-frequently modified section of data, for extra insurance, or for ease
-of access. No matter how you decide to import or export your data,
-consider the following guidelines:
+your data or to move data to or from a 3rd party system. These backups may 
+capture a small crucial set of data or a frequently modified section of 
+data, for extra insurance, or for ease of access. No matter how you 
+decide to import or export your data, consider the following guidelines:
 
 - Label files so that you can identify what point in time the
   export or backup reflects.
@@ -51,7 +58,7 @@ consider the following guidelines:
 - Do not create or apply exports if the backup process itself will
   have an adverse effect on a production system.
 
-- Make sure that the reflect a consistent data state. Export or backup
+- Make sure that they reflect a consistent data state. Export or backup
   processes can impact data integrity (i.e. type fidelity) and
   consistency if updates continue during the backup process.
 
@@ -61,8 +68,8 @@ consider the following guidelines:
 Human Intelligible Import/Export Formats
 ----------------------------------------
 
-This section describes a process for your database, or a portion
-thereof, to a file in a JSON or CSV format.
+This section describes a process to import/export your database, 
+or a portion thereof, to a file in a JSON or CSV format.
 
 .. seealso:: The :doc:`/reference/mongoimport` and
    :doc:`/reference/mongoexport` documents contain complete
@@ -76,7 +83,7 @@ thereof, to a file in a JSON or CSV format.
    may be more suited to this task. The :program:`mongo` shell
    provides the :func:`db.copyDatabase()` method.
 
-These tools may also be useful for importing data into a MongoDB data
+These tools may also be useful for importing data into a MongoDB database
 from third party applications.
 
 Database Export with mongoexport
@@ -174,9 +181,9 @@ MongoDB instance's database files. Consider using the
 files when you run :program:`mongoimport` in this configuration.
 
 Use the ":option:`--ignoreBlanks <mongoimport --ignoreBlanks>`" option
-to ensure that blank fields are. For CSV and TSV imports, this option
-provides the desired functionality in most cases: it avoids inserting
-blank fields in MongoDB documents.
+to ensure that blank fields are ignored. For CSV and TSV imports, this 
+option provides the desired functionality in most cases: it avoids 
+inserting blank fields in MongoDB documents.
 
 .. seealso:: See the ":doc:`/administration/backups`" document for
    more in depth information about backing up MongoDB