[[breaking_70_search_changes]]
=== Search changes

==== Adaptive replica selection enabled by default

Adaptive replica selection has been enabled by default. If you wish to return to
the older round robin of search requests, you can use the
`cluster.routing.use_adaptive_replica_selection` setting:

[source,js]
--------------------------------------------------
PUT /_cluster/settings
{
    "transient": {
        "cluster.routing.use_adaptive_replica_selection": false
    }
}
--------------------------------------------------
// CONSOLE

