content/operate/rs/7.8/databases/configure/db-upgrade.md
Database upgrade configuration includes cluster-wide policies that affect default database upgrades.
To edit database upgrade configuration using the Cluster Manager UI:
On the Databases screen, select {{< image filename="/images/rs/buttons/button-toggle-actions-vertical.png#no-click" alt="Toggle actions button" width="22px" class="inline" >}} to open a list of additional actions.
Select Upgrade configuration.
Change database upgrade configuration settings.
Select Save.
To change the number of shards upgraded in parallel during database upgrades, use one of the following methods:
Cluster Manager UI – Edit Database shard parallel upgrade in Upgrade configuration
[rladmin tune cluster]({{< relref "/operate/rs/7.8/references/cli-utilities/rladmin/tune#tune-cluster" >}}):
rladmin tune cluster parallel_shards_upgrade { all | <integer> }
[Update cluster policy]({{< relref "/operate/rs/7.8/references/rest-api/requests/cluster/policy#put-cluster-policy" >}}) REST API request:
PUT /v1/cluster/policy
{ "parallel_shards_upgrade": <integer> }
The cluster-wide option resp3_default determines the default value of the resp3 option, which enables or deactivates RESP3 for a database, upon upgrading a database to version 7.2 or later. resp3_default is set to enabled by default.
To change resp3_default to disabled, use one of the following methods:
Cluster Manager UI – Edit RESP3 support in Upgrade configuration
[rladmin tune cluster]({{< relref "/operate/rs/7.8/references/cli-utilities/rladmin/tune#tune-cluster" >}}):
rladmin tune cluster resp3_default { enabled | disabled }
[Update cluster policy]({{< relref "/operate/rs/7.8/references/rest-api/requests/cluster/policy#put-cluster-policy" >}}) REST API request:
PUT /v1/cluster/policy
{ "resp3_default": <boolean> }