diff --git a/runbot/models/host.py b/runbot/models/host.py
index 1b42db8f..cb3088f7 100644
--- a/runbot/models/host.py
+++ b/runbot/models/host.py
@@ -1,5 +1,6 @@
 import logging
 import getpass
+import time
 
 from collections import defaultdict
 
@@ -10,8 +11,6 @@ from ..container import docker_build
 
 _logger = logging.getLogger(__name__)
 
-forced_host_name = None
-
 
 class Host(models.Model):
     _name = 'runbot.host'
@@ -37,6 +36,7 @@ class Host(models.Model):
     exception_count = fields.Integer('Exception count')
     psql_conn_count = fields.Integer('SQL connections count', default=0)
     host_message_ids = fields.One2many('runbot.host.message', 'host_id')
+    build_ids = fields.One2many('runbot.build', compute='_compute_build_ids')
 
     def _compute_nb(self):
         groups = self.env['runbot.build'].read_group(
@@ -52,6 +52,10 @@ class Host(models.Model):
             host.nb_testing = count_by_host_state[host.name].get('testing', 0)
             host.nb_running = count_by_host_state[host.name].get('running', 0)
 
+    def _compute_build_ids(self):
+        for host in self:
+            host.build_ids = self.env['runbot.build'].search([('host', '=', host.name), ('local_state', '!=', 'done')])
+
     @api.model_create_single
     def create(self, values):
         if 'disp_name' not in values:
@@ -113,9 +117,11 @@ class Host(models.Model):
         self.clear_caches()  # needed to ensure that content is updated on all hosts
         for dockerfile in self.env['runbot.dockerfile'].search([('to_build', '=', True)]):
             self._docker_build_dockerfile(dockerfile, static_path)
+        _logger.info('Done...')
 
     def _docker_build_dockerfile(self, dockerfile, workdir):
-        _logger.info('Building %s, %s', dockerfile.name, hash(str(dockerfile.dockerfile)))
+        start = time.time()
+        # _logger.info('Building %s, %s', dockerfile.name, hash(str(dockerfile.dockerfile)))
         docker_build_path = os.path.join(workdir, 'docker', dockerfile.image_tag)
         os.makedirs(docker_build_path, exist_ok=True)
 
@@ -137,7 +143,11 @@ class Host(models.Model):
         if not docker_build_success:
             dockerfile.to_build = False
             dockerfile.message_post(body=f'Build failure:\n{msg}')
-            self.env['runbot.runbot'].warning(f'Dockerfile build "{dockerfile.image_tag}" failed on host {self.name}')
+            # self.env['runbot.runbot'].warning(f'Dockerfile build "{dockerfile.image_tag}" failed on host {self.name}')
+        else:
+            duration = time.time() - start
+            if duration > 1:
+                _logger.info('Dockerfile %s finished build in %s', dockerfile.image_tag, duration)
 
     def _get_work_path(self):
         return os.path.abspath(os.path.join(os.path.dirname(__file__), '../static'))