Use millisecond resolution for timers, since the statsd exporter expects it that way and buckets are filled wrong otherwise: https://github.com/prometheus/statsd_exporter/blob/master/exporter.go#L407

Author: Rudolf Vriend

watcher/watcher.py

@@ -241,7 +241,8 @@ def _start_response_wrapper(status, headers, exc_info=None):
                 labels.append("status:{0}".format(status_code))
                 detail_labels.append("status:{0}".format(status_code))
 
-                self.metric_client.timing('api_requests_duration_seconds', time.time() - start, tags=labels)
+                self.metric_client.timing('api_requests_duration_seconds', int(round(1000 * (time.time() - start))),
+                                          tags=labels)
                 self.metric_client.increment('api_requests_total', tags=detail_labels)
             except Exception as e:
                 self.logger.debug("failed to submit metrics for %s: %s" % (str(labels), str(e)))