Skip to content
Merged
Show file tree
Hide file tree
Changes from 2 commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,10 @@ Active-Active databases allow read and write operations in each copy. Each copy

When developing for Active-Active databases, you need to consider some important differences. See [Develop applications with Active-Active databases]({{< relref "/operate/rs/databases/active-active/develop/_index.md" >}}) for related information.

{{< note >}}
Active-Active subscriptions on Redis Cloud are limited to a maximum of 10 regions.
{{< /note >}}

## Active-Active geo-distributed replication highlights

### Multi-zone
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -34,7 +34,10 @@ Your replication options depend on your [subscription plan]({{< relref "/operate
- Free Redis Cloud Essentials plans do not support replication.
- Paid Redis Cloud Essentials plans and Redis Cloud Pro plans let you choose between multi-zone or single-zone replication when creating a subscription. You can also turn off replication.

After database creation, you can still enable or turn off replication. However, [zone settings]({{< relref "/operate/rc/databases/configuration/high-availability#zone-setting-maintenance" >}}) are only configurable during database creation.
Whether or not you can change your replication settings after database creation depends on your plan type and what type of replication you originally selected.

- For Redis Cloud Essentials, you select the kind of replication when you create your database. If you selected Multi-zone replication when you created your database, you can't change it to Single-zone or turn it off after database creation. However, if you selected No Replication or Single-zone replication, you can switch between the two at any time by [editing your Essentials subscription]({{< relref "/operate/rc/subscriptions/view-essentials-subscription#change-high-availability-and-persistence" >}}).
- For Redis Cloud Pro, you select whether Multi-zone replication is enabled when you create your subscription. You can't change this setting or any [Zone settings]({{< relref "/operate/rc/databases/configuration/high-availability#zone-setting-maintenance" >}}) after subscription creation. However, you can activate or deactivate replication for each database within the subscription at any time by [editing your database]({{< relref "/operate/rc/databases/view-edit-database" >}}).

## Performance impact

Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,7 @@ Redis Cloud maintains consistency among instances in the background; that is, ea
{{<image filename="images/rc/create-database-subscription-pro-new.png" alt="The Subscription selection panel with Pro selected.">}}

{{< note >}}
This guide shows how to create an Active-Active database with a new Pro subscription. If you already have an Active-Active subscription and want to add a database to it, see [Create a Pro database in an existing subscription]({{< relref "/operate/rc/databases/create-database/create-pro-database-existing" >}}).
This guide shows how to create an Active-Active database with a new Pro subscription. If you already have an Active-Active subscription and want to add a database to it, see [Create a Pro database in an existing subscription]({{< relref "/operate/rc/databases/create-database/create-pro-database-existing" >}}). Active-Active subscriptions can host a maximum of 10 databases.
{{< /note >}}


Expand Down Expand Up @@ -70,6 +70,10 @@ When you enable Active-Active Redis, two regions are selected by default. Select

{{<image filename="images/rc/create-sub-active-active-regions.png" width="50%" alt="Use the Region drop-down to select the regions for your Active-Active database." >}}

{{< note >}}
Active-Active subscriptions on Redis Cloud are limited to a maximum of 10 regions.
{{< /note >}}

Use the checkboxes in the list to select or remove regions. The Search box lets you locate specific regions.

You can use a region's Remove button to remove it from the list.
Expand Down