diff --git a/data/common/common.yaml b/data/common/common.yaml
--- a/data/common/common.yaml
+++ b/data/common/common.yaml
@@ -2233,10 +2233,7 @@
 
 # swh::deploy::worker::task_broker::password in private data
 swh::deploy::worker::task_broker: "amqp://swhconsumer:%{hiera('swh::deploy::worker::task_broker::password')}@rabbitmq:5672/%2f"
-swh::deploy::worker::instances:
-  - loader_debian
-  - loader_git
-  - lister
+swh::deploy::worker::instances: []
 
 swh::deploy::loader_git::sentry_swh_package: swh.loader.git
 swh::deploy::loader_git::sentry_environment: "%{alias('swh::deploy::environment')}"
@@ -2256,6 +2253,26 @@
       - swh.loader.git.tasks.LoadDiskGitRepository
       - swh.loader.git.tasks.UncompressAndLoadDiskGitRepository
 
+# high priority loader (save-code-now, ...)
+swh::deploy::worker::loader_high_priority::config_file: "%{hiera('swh::conf_directory')}/loader_high_priority.yml"
+swh::deploy::worker::loader_high_priority::concurrency: 1
+swh::deploy::worker::loader_high_priority::max_tasks_per_child: 100
+swh::deploy::worker::loader_high_priority::loglevel: info
+swh::deploy::worker::loader_high_priority::config:
+  storage: "%{alias('swh::deploy::worker::storage::pipeline')}"
+  max_content_size: 104857600
+  celery:
+    task_broker: "%{alias('swh::deploy::worker::task_broker')}"
+    task_queues:
+      # loader-git
+      - swh.loader.git.tasks.UpdateGitRepositoryHigh
+      # mercurial
+      - swh.loader.mercurial.tasks.LoadMercurialHigh
+      - swh.loader.mercurial.tasks.LoadArchiveMercurialHigh
+      # svn
+      - swh.loader.svn.tasks.LoadSvnRepositoryHigh
+      - swh.loader.svn.tasks.MountAndLoadSvnRepositoryHigh
+
 # for all loader packages
 swh::deploy::loader_core::sentry_swh_package: swh.loader.core
 swh::deploy::loader_core::sentry_environment: "%{hiera('swh::deploy::environment')}"
diff --git a/data/deployments/staging/common.yaml b/data/deployments/staging/common.yaml
--- a/data/deployments/staging/common.yaml
+++ b/data/deployments/staging/common.yaml
@@ -44,6 +44,7 @@
   - loader_svn
   - vault_cooker
   - lister
+  - loader_high_priority
 
 #### Rabbitmq instance to use
 # swh::deploy::worker::task_broker::password in private data
diff --git a/data/subnets/sesi_rocquencourt.yaml b/data/subnets/sesi_rocquencourt.yaml
--- a/data/subnets/sesi_rocquencourt.yaml
+++ b/data/subnets/sesi_rocquencourt.yaml
@@ -33,3 +33,4 @@
   - loader_npm
   - loader_pypi
   - loader_svn
+  - loader_high_priority
diff --git a/data/subnets/vagrant.yaml b/data/subnets/vagrant.yaml
--- a/data/subnets/vagrant.yaml
+++ b/data/subnets/vagrant.yaml
@@ -38,6 +38,7 @@
   - loader_npm
   - loader_pypi
   - loader_svn
+  - loader_high_priority
 
 dns::forward_zones: { }
 
diff --git a/site-modules/profile/manifests/swh/deploy/base_loader_git.pp b/site-modules/profile/manifests/swh/deploy/base_loader_git.pp
--- a/site-modules/profile/manifests/swh/deploy/base_loader_git.pp
+++ b/site-modules/profile/manifests/swh/deploy/base_loader_git.pp
@@ -1,5 +1,4 @@
 # Git Loader base configuration
-
 class profile::swh::deploy::base_loader_git {
   include ::profile::swh::deploy::loader
 
diff --git a/site-modules/profile/manifests/swh/deploy/base_loader_mercurial.pp b/site-modules/profile/manifests/swh/deploy/base_loader_mercurial.pp
new file mode 100644
--- /dev/null
+++ b/site-modules/profile/manifests/swh/deploy/base_loader_mercurial.pp
@@ -0,0 +1,11 @@
+# Mercurial Loader base configuration
+class profile::swh::deploy::base_loader_mercurial {
+  include ::profile::swh::deploy::loader
+
+  $packages = ['python3-swh.loader.mercurial']
+
+  package {$packages:
+    ensure => 'present',
+  }
+
+}
diff --git a/site-modules/profile/manifests/swh/deploy/base_loader_svn.pp b/site-modules/profile/manifests/swh/deploy/base_loader_svn.pp
new file mode 100644
--- /dev/null
+++ b/site-modules/profile/manifests/swh/deploy/base_loader_svn.pp
@@ -0,0 +1,11 @@
+# Svn Loader base configuration
+class profile::swh::deploy::base_loader_svn {
+  include ::profile::swh::deploy::loader
+
+  $packages = ['python3-swh.loader.svn']
+
+  package {$packages:
+    ensure => 'present',
+  }
+
+}
diff --git a/site-modules/profile/manifests/swh/deploy/worker/loader_deposit.pp b/site-modules/profile/manifests/swh/deploy/worker/loader_deposit.pp
--- a/site-modules/profile/manifests/swh/deploy/worker/loader_deposit.pp
+++ b/site-modules/profile/manifests/swh/deploy/worker/loader_deposit.pp
@@ -7,5 +7,8 @@
     ensure       => 'present',
     sentry_name  => 'loader_core',
     private_tmp  => $private_tmp,
+    require       => [
+      Package[$::profile::swh::deploy::base_loader_git::packages],
+    ],
   }
 }
diff --git a/site-modules/profile/manifests/swh/deploy/worker/loader_git.pp b/site-modules/profile/manifests/swh/deploy/worker/loader_git.pp
--- a/site-modules/profile/manifests/swh/deploy/worker/loader_git.pp
+++ b/site-modules/profile/manifests/swh/deploy/worker/loader_git.pp
@@ -5,8 +5,7 @@
   ::profile::swh::deploy::worker::instance {'loader_git':
     ensure       => present,
     require      => [
-      Class['profile::swh::deploy::base_loader_git'],
+      Package[$::profile::swh::deploy::base_loader_git::packages],
     ],
   }
-
 }
diff --git a/site-modules/profile/manifests/swh/deploy/worker/loader_high_priority.pp b/site-modules/profile/manifests/swh/deploy/worker/loader_high_priority.pp
new file mode 100644
--- /dev/null
+++ b/site-modules/profile/manifests/swh/deploy/worker/loader_high_priority.pp
@@ -0,0 +1,14 @@
+# Deployment for high priority loader
+class profile::swh::deploy::worker::loader_high_priority {
+  include ::profile::swh::deploy::base_loader_git
+  include ::profile::swh::deploy::base_loader_mercurial
+  include ::profile::swh::deploy::base_loader_svn
+
+  $packages = $::profile::swh::deploy::base_loader_git::packages + $::profile::swh::deploy::base_loader_mercurial::packages + $::profile::swh::deploy::base_loader_svn::packages
+
+  ::profile::swh::deploy::worker::instance {'loader_high_priority':
+    ensure       => present,
+    require      => Package[$packages],
+  }
+
+}
diff --git a/site-modules/profile/manifests/swh/deploy/worker/loader_mercurial.pp b/site-modules/profile/manifests/swh/deploy/worker/loader_mercurial.pp
--- a/site-modules/profile/manifests/swh/deploy/worker/loader_mercurial.pp
+++ b/site-modules/profile/manifests/swh/deploy/worker/loader_mercurial.pp
@@ -1,17 +1,13 @@
 # Deployment for swh-loader-mercurial (disk)
 class profile::swh::deploy::worker::loader_mercurial {
+  include ::profile::swh::deploy::base_loader_mercurial
   $private_tmp = lookup('swh::deploy::worker::loader_mercurial::private_tmp')
-  $packages = ['python3-swh.loader.mercurial']
-
-  package {$packages:
-    ensure => 'present',
-  }
 
   ::profile::swh::deploy::worker::instance {'loader_mercurial':
     ensure       => 'present',
     private_tmp  => $private_tmp,
     require      => [
-      Package[$packages],
+      Package[$::profile::swh::deploy::base_loader_mercurial::packages],
     ],
   }
 }
diff --git a/site-modules/profile/manifests/swh/deploy/worker/loader_svn.pp b/site-modules/profile/manifests/swh/deploy/worker/loader_svn.pp
--- a/site-modules/profile/manifests/swh/deploy/worker/loader_svn.pp
+++ b/site-modules/profile/manifests/swh/deploy/worker/loader_svn.pp
@@ -1,19 +1,13 @@
 # Deployment for swh-loader-svn
 class profile::swh::deploy::worker::loader_svn {
-  $packages = ['python3-swh.loader.svn']
+  include ::profile::swh::deploy::base_loader_svn
   $limit_no_file = lookup('swh::deploy::worker::loader_svn::limit_no_file')
   $private_tmp = lookup('swh::deploy::worker::loader_svn::private_tmp')
 
-  package {$packages:
-    ensure => 'present',
-  }
-
   ::profile::swh::deploy::worker::instance {'loader_svn':
     ensure        => present,
     limit_no_file => $limit_no_file,
     private_tmp   => $private_tmp,
-    require       => [
-      Package[$packages],
-    ],
+    require       => Package[$::profile::swh::deploy::base_loader_svn::packages],
   }
 }