diff --git a/ardumont/send-batch-sha1s.sh b/ardumont/send-batch-sha1s.sh
new file mode 100755
index 0000000..e029559
--- /dev/null
+++ b/ardumont/send-batch-sha1s.sh
@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+
+# time to wait for scheduling the next batch
+SLEEP_TIME=200
+# number of contents to process as a batch
+BATCH_SIZE=1000
+# total number of contents to send in batch number in one iteration
+NUMBER_CONTENTS=100000
+START=$([ -f position_indexer ] && cat position_indexer || echo 0)
+
+while true
+do
+    POSITION=$(($NUMBER_CONTENTS * $START))
+
+    echo "Sending $NUMBER_CONTENTS new contents from $POSITION"
+    gzip -dc /srv/storage/space/lists/azure-rehash/contents-sha1-to-rehash.txt.gz | \
+        tail -n +$POSITION | \
+        head -${NUMBER_CONTENTS} | \
+        SWH_WORKER_INSTANCE=swh_indexer_orchestrator python3 -m swh.indexer.producer \
+                           --batch $BATCH_SIZE
+    START=$((START + 1))
+    echo $START > position_indexer
+
+    echo "Waiting for computations to be done"
+    echo
+    sleep $SLEEP_TIME
+done