> For the complete documentation index, see [llms.txt](https://sunbird.gitbook.io/sunbird-spark/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sunbird.gitbook.io/sunbird-spark/misc/reference-guides/simplifications-in-spark.md).

# Simplifications in Spark

{% hint style="success" %}
New in Spark: The publish pipeline has been significantly simplified from Sunbird ED.
{% endhint %}

| Aspect                  | Sunbird ED                                                                      | Sunbird Spark                              |
| ----------------------- | ------------------------------------------------------------------------------- | ------------------------------------------ |
| Number of Flink jobs    | Separate jobs for content publish, QuestionSet publish, post-publish processing | Single merged publish-pipeline job         |
| Asset enrichment        | Automatic — runs for every published content item                               | Removed entirely — not configurable        |
| Video streaming         | Enabled by default — HLS generated for every video                              | Disabled by default — configurable         |
| ECAR generation         | Enabled by default                                                              | Enabled by default — configurable          |
| Auto batch creation     | Triggered automatically on course publish                                       | Removed — batches must be created manually |
| Shallow copy publishing | Enabled                                                                         | Removed                                    |


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