Merge branch 'docs-bprescott-importadmin-20200608' into 'master'

Link to project import rake task and the API for project import status

See merge request gitlab-org/gitlab!34106

doc/administration/raketasks/project_import_export.md

@@ -7,6 +7,16 @@ GitLab provides Rake tasks relating to project import and export. For more infor
 
 - [Project import/export documentation](../../user/project/settings/import_export.md).
 - [Project import/export API](../../api/project_import_export.md).
+- [Developer documentation: project import/export](../../development/import_export.md)
+
+## Project import status
+
+You can query an import through the [Project import/export API](../../api/project_import_export.md#import-status).
+As described in the API documentation, the query may return an import error or exceptions.
+
+## Import large projects
+
+If you have a larger project, consider using a Rake task, as described in our [developer documentation](../../development/import_project.md#importing-via-a-rake-task).
 
 ## Import/export tasks
 

doc/user/project/settings/import_export.md

@@ -162,6 +162,22 @@ NOTE: **Note:**
 The maximum import file size can be set by the Administrator, default is 50MB.
 As an administrator, you can modify the maximum import file size. To do so, use the `max_import_size` option in the [Application settings API](../../../api/settings.md#change-application-settings) or the [Admin UI](../../admin_area/settings/account_and_limit_settings.md).
 
+### Project import status
+
+The status of an import [can be queried via the API](../../../api/project_import_export.md#import-status).
+
+If the import fails, the API returns the error message, and if it completes, the API will return any
+issues which were encountered.
+
+### Project import with a Rake task. **(CORE ONLY)**
+
+Projects can be imported to a self-managed GitLab instance using a Rake task.
+
+The Rake task is often more effective at importing large project exports that don't complete
+when imported using the web interface.
+
+Further details in the [developer documentation](../../../development/import_project.md#importing-via-a-rake-task).
+
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