The Spanner change streams default retention period has been increased from 1 day to 7 days
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## Announcement
Announcement
The Spanner change streams default [retention period](https://cloud.google.com/spanner/docs/change-streams#data-retention) has been increased from 1 day to 7 days. This change affects both new and existing change streams that don't have a retention period explicitly set. You can always specify the retention period through [create change stream](https://cloud.google.com/spanner/docs/change-streams/manage#create) or [alter change stream](https://cloud.google.com/spanner/docs/change-streams/manage#modify) DDL statements to override the default.
## Feature
Feature
You can populate new PostgreSQL dialect databases in an existing Spanner instance from sample datasets that help you explore Spanner capabilities.
For more information, see [Create and manage databases](https://cloud.google.com/spanner/docs/create-manage-databases#use-datasets).
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Spanner supports direct connectivity. When enabled, your application traffic is routed directly to
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