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---
page: htroot/IndexImportMediawiki_p.html
help: help/IndexImportMediawiki_p.md
title: MediaWiki Dump Import
package: import-export-federation
access: admin
kind: admin-page
backend_java: source/net/yacy/htroot/IndexImportMediawiki_p.java
---
# MediaWiki Dump Import
## Purpose
MediaWiki Dump Import turns wiki dump content into searchable documents.
Use it to build a search index for a wiki without crawling every page through HTTP.
## What You Can Do Here
- MediaWiki Dump Import turns wiki dump content into searchable documents.
- Define the source, target, format, collection, and expected size before starting.
- Monitor progress because large transfers continue beyond the initial request.
## Page Architecture
Import and export pages translate external data formats into YaCy documents or move YaCy index data into another store. Most long-running actions create background work that should be monitored afterward.
| Control | Meaning | Values or examples |
| --- | --- | --- |
| `file` | Selected or uploaded file. | Text value; use the page label and surrounding context to choose the exact content. |
| `iffresh` | Import only when modified since last import. | Import only when modified since last import |
| `submit` | Submits the form. | `Import MediaWiki Dump` |
## Correct Use
Prepare source and target details before starting: file path or URL, format, collection, credentials if needed, and expected size. Imports and exports can continue in the background, so confirm progress on the related monitor or queue page.
## Access And Safety
Administrator access is required. YaCy protects `_p` pages as administration pages.
Protected related endpoint(s): `/IndexImportMediawiki_p.html`.
Backend checks: transaction token for protected POST, transaction token issued for forms.
## Automation And API
Page backend: `source/net/yacy/htroot/IndexImportMediawiki_p.java`.
| Endpoint | Method | Access | Backend |
| --- | --- | --- | --- |
| `/IndexImportMediawiki_p.html` | `POST` | admin | `source/net/yacy/htroot/IndexImportMediawiki_p.java` |
### Parameter Guide
The table explains values that an agent or script must set deliberately. Parameters not relevant to a task should be omitted or left at the page default.
| Parameter | Meaning and valid values | Care |
| --- | --- | --- |
| `file` | Selected or uploaded file. | Set only when this option is part of the intended request; otherwise omit it and let YaCy use the page default. |
| `iffresh` | Import only when modified since last import. | Set only when this option is part of the intended request; otherwise omit it and let YaCy use the page default. |
| `submit` | Submit action for the form. Its meaning depends on the surrounding fields. | Changes stored data, configuration, or a running job. Use the authenticated action flow where required and verify the result. |
Example request shape:
```http
POST /IndexImportMediawiki_p.html
Content-Type: application/x-www-form-urlencoded
file=...&iffresh=...&submit=...&report=...
```
## What To Expect
Small operations may finish during the request; large imports, exports, harvests, and package operations usually need monitoring. Expect progress, logs, queue entries, or generated files rather than instant final search quality.
## Related Pages
- `https://dumps.wikimedia.org/backup-index-bydb.html`
- `Automation_p.html`
- `CrawlResults.html`
|
