diff --git a/data/hostname/indexer-worker04.euwest.azure.internal.softwareheritage.org.yaml b/data/hostname/indexer-worker04.euwest.azure.internal.softwareheritage.org.yaml
index daa9dd89..34c23c71 100644
--- a/data/hostname/indexer-worker04.euwest.azure.internal.softwareheritage.org.yaml
+++ b/data/hostname/indexer-worker04.euwest.azure.internal.softwareheritage.org.yaml
@@ -1,17 +1,19 @@
 ---
 swh::deploy::worker::instances:
   - indexer_origin_extrinsic_metadata
   - indexer_origin_intrinsic_metadata
 
+swh::deploy::indexer_journal_client::origin_intrinsic_metadata::nb_instances: 2
+
 mountpoints:
   /tmp:
     device: tmpfs
     fstype: tmpfs
     options:
       - "size=%{lookup('tmpfs::size')}"
       - "nr_inodes=%{lookup('tmpfs::nr_inodes')}"
       - noexec
       - nosuid
       - nodev
       - relatime
       - rw
diff --git a/data/hostname/indexer-worker05.euwest.azure.internal.softwareheritage.org.yaml b/data/hostname/indexer-worker05.euwest.azure.internal.softwareheritage.org.yaml
index daa9dd89..34c23c71 100644
--- a/data/hostname/indexer-worker05.euwest.azure.internal.softwareheritage.org.yaml
+++ b/data/hostname/indexer-worker05.euwest.azure.internal.softwareheritage.org.yaml
@@ -1,17 +1,19 @@
 ---
 swh::deploy::worker::instances:
   - indexer_origin_extrinsic_metadata
   - indexer_origin_intrinsic_metadata
 
+swh::deploy::indexer_journal_client::origin_intrinsic_metadata::nb_instances: 2
+
 mountpoints:
   /tmp:
     device: tmpfs
     fstype: tmpfs
     options:
       - "size=%{lookup('tmpfs::size')}"
       - "nr_inodes=%{lookup('tmpfs::nr_inodes')}"
       - noexec
       - nosuid
       - nodev
       - relatime
       - rw
diff --git a/data/hostname/indexer-worker06.euwest.azure.internal.softwareheritage.org.yaml b/data/hostname/indexer-worker06.euwest.azure.internal.softwareheritage.org.yaml
index daa9dd89..34c23c71 100644
--- a/data/hostname/indexer-worker06.euwest.azure.internal.softwareheritage.org.yaml
+++ b/data/hostname/indexer-worker06.euwest.azure.internal.softwareheritage.org.yaml
@@ -1,17 +1,19 @@
 ---
 swh::deploy::worker::instances:
   - indexer_origin_extrinsic_metadata
   - indexer_origin_intrinsic_metadata
 
+swh::deploy::indexer_journal_client::origin_intrinsic_metadata::nb_instances: 2
+
 mountpoints:
   /tmp:
     device: tmpfs
     fstype: tmpfs
     options:
       - "size=%{lookup('tmpfs::size')}"
       - "nr_inodes=%{lookup('tmpfs::nr_inodes')}"
       - noexec
       - nosuid
       - nodev
       - relatime
       - rw