diff --git a/http-ui/public/updates-script.js b/http-ui/public/updates-script.js
index 8005c554c..c034c45b8 100644
--- a/http-ui/public/updates-script.js
+++ b/http-ui/public/updates-script.js
@@ -52,7 +52,16 @@ $(window).on('load', function () {
     if (status.type == "Progressing") {
       const id = 'update-' + status.update_id;
       const content = $(`#${id} .updateStatus.content`);
-      content.html('progressing... ' + JSON.stringify(status.meta));
+
+      let html;
+      let { type, processed_number_of_documents, total_number_of_documents } = status.meta;
+      if (type === 'DocumentsAddition' && processed_number_of_documents && total_number_of_documents) {
+        let progress = Math.round(processed_number_of_documents / total_number_of_documents * 100);
+        html = `<progress class="progress" title="${progress}%" value="${progress}" max="100"></progress>`;
+      } else {
+        html = `<progress class="progress" max="100"></progress>`;
+      }
+      content.html(html);
     }
 
     if (status.type == "Processed") {
diff --git a/http-ui/src/main.rs b/http-ui/src/main.rs
index bfd326837..a72799770 100644
--- a/http-ui/src/main.rs
+++ b/http-ui/src/main.rs
@@ -69,7 +69,7 @@ pub struct Opt {
 pub struct IndexerOpt {
     /// The amount of documents to skip before printing
     /// a log regarding the indexing advancement.
-    #[structopt(long, default_value = "1000000")] // 1m
+    #[structopt(long, default_value = "100000")] // 100k
     pub log_every_n: usize,
 
     /// MTBL max number of chunks in bytes.
diff --git a/src/update/update_store.rs b/src/update/update_store.rs
index 4723f0b68..de07f1e21 100644
--- a/src/update/update_store.rs
+++ b/src/update/update_store.rs
@@ -36,6 +36,9 @@ impl<M: 'static, N: 'static> UpdateStore<M, N> {
         let processed_meta = env.create_database(Some("processed-meta"))?;
 
         let (notification_sender, notification_receiver) = crossbeam_channel::bounded(1);
+        // Send a first notification to trigger the process.
+        let _ = notification_sender.send(());
+
         let update_store = Arc::new(UpdateStore {
             env,
             pending,