diff --git a/data-computer/requirements.txt b/data-computer/requirements.txt
index ad3d950..4b1dec2 100755
--- a/data-computer/requirements.txt
+++ b/data-computer/requirements.txt
@@ -4,4 +4,6 @@
 
 pandas==1.4.0
 lxml==4.7.1
-fr_core_news_sm @ https://github.com/explosion/spacy-models/releases/download/fr_core_news_sm-3.6.0/fr_core_news_sm-3.6.0-py3-none-any.whl
\ No newline at end of file
+fr_core_news_sm @ https://github.com/explosion/spacy-models/releases/download/fr_core_news_sm-3.6.0/fr_core_news_sm-3.6.0-py3-none-any.whl
+
+prometheus-client==0.19.0
diff --git a/data-computer/v1/lda.py b/data-computer/v1/lda.py
index 9cd999a..c7d164c 100755
--- a/data-computer/v1/lda.py
+++ b/data-computer/v1/lda.py
@@ -6,6 +6,11 @@
 import unicodedata
 import re
 import spacy
+from prometheus_client import CollectorRegistry, Counter, push_to_gateway
+
+registry = CollectorRegistry()
+c = Counter('documents', 'Number of documents processed', registry=registry)
+job_name='lda'
 
 nlp = spacy.load('en_core_web_sm', disable = ['parser','ner'])
 
@@ -112,6 +117,8 @@
         sys.stdout.write(json.dumps(line))
         sys.stdout.write("\n")
     else:
+        c.inc()
+        push_to_gateway('jobs-metrics.daf.intra.inist.fr', job=job_name, registry=registry)
         line = all_data[i]
         doc = line["value"]
         doc_bow = dictionary.doc2bow(tokenize(uniformize(line["value"])))
@@ -122,7 +129,7 @@
             words = []
             words_weights = []
             for word, word_weight in lda_model.show_topic(topic_id):
-                words.append(word) 
+                words.append(word)
                 words_weights.append(str(word_weight))
             topic_info[f"topic_{topic_id + 1}"]["words"] = words
             topic_info[f"topic_{topic_id + 1}"]["words_weights"] = words_weights