Commit b64c70e9 authored by Alex Ives's avatar Alex Ives

Add a warning about deprecated background migration

Background migrations are being discouraged in 15.0 in favor of batched
background migrations. This adds a warning the old background migration
docs that developers should switch.
parent 399ae18b
...@@ -6,6 +6,11 @@ info: To determine the technical writer assigned to the Stage/Group associated w ...@@ -6,6 +6,11 @@ info: To determine the technical writer assigned to the Stage/Group associated w
# Background migrations # Background migrations
WARNING:
Background migrations are strongly discouraged in favor of the new [batched background migrations framework](../batched_background_migrations.md).
Please check that documentation and determine if that framework will suit your needs and fall back
to these only if required.
Background migrations should be used to perform data migrations whenever a Background migrations should be used to perform data migrations whenever a
migration exceeds [the time limits in our guidelines](../migration_style_guide.md#how-long-a-migration-should-take). For example, you can use background migration exceeds [the time limits in our guidelines](../migration_style_guide.md#how-long-a-migration-should-take). For example, you can use background
migrations to migrate data that's stored in a single JSON column migrations to migrate data that's stored in a single JSON column
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