Fixes for the example with MONAI (#229)

  - debug mode - container use the host system’s IPC namespace
  - give more memory to the container
  - fix list fct in debug mode

substra/sdk/backends/local/backend.py

@@ -61,7 +61,7 @@ def list(self, asset_type, filters=None):
         Returns:
             typing.List[models._BaseModel]: List of results
         """
-        db_assets = self._db.list(asset_type)
+        db_assets = self._db.list(asset_type, filters=filters)
         # Parse the filters
         parsed_filters = dict()
         if filters is not None:

substra/sdk/backends/local/compute/spawner.py

@@ -69,6 +69,8 @@ def spawn(self, name, archive_path, command, volumes=None, envs=None):
             detach=True,
             tty=True,
             stdin_open=True,
+            ipc_mode="host",
+            shm_size='8G',
         )
 
         execution_logs = []

substra/sdk/backends/local/dal.py

@@ -123,12 +123,18 @@ def get(self, type_, key: str, log: bool = True):
             # TODO: better error that says do not have a remote ?
             raise exceptions.NotFound(f"Wrong pk {key}", 404)
 
-    def list(self, type_):
+    def list(self, type_, filters):
         """"List assets."""
         local_assets = self._db.list(type_)
         remote_assets = list()
         if self._remote:
-            remote_assets = self._remote.list(type_)
+            try:
+                remote_assets = self._remote.list(type_, filters)
+            except Exception as e:
+                logger.info(
+                    f"Could not list assets from the remote platform:\n{e}. \
+                    \nIf you are not logged to a remote platform, ignore this message."
+                )
         return local_assets + remote_assets
 
     def save_file(self,