alamb commented on a change in pull request #1166:
URL: https://github.com/apache/arrow-datafusion/pull/1166#discussion_r734961145
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File path: docs/source/specification/roadmap.md
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@@ -92,8 +92,28 @@ Note: There are some additional thoughts on a datafusion-cli
vision on [#1096](h
- publishing to apt, brew, and possible NuGet registry so that people can use
it more easily
- adopt a shorter name, like dfcli?
-## Ballista
+# Ballista
-# Vision
+Ballista is a distributed compute platform based on Apache Arrow and
DataFusion. It provides a query scheduler that
+breaks a physical plan into stages and tasks and then schedules tasks for
execution across the available executors
+in the cluster.
-TBD
+Having Ballista as part of the DataFusion codebase helps ensure that
DataFusion remains suitable for distributed
+compute. For example, it helps ensure that physical query plans can be
serialized to protobuf format and that they
Review comment:
thank you for this context
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