Merge pull request #3076 from efiop/rwlock_sync

efiop · web-flow · commit 3e97886ccc09 · 2020-01-12T01:35:13.000+02:00
rwlock: flush and fsync
diff --git a/dvc/rwlock.py b/dvc/rwlock.py
@@ -50,6 +50,9 @@ def _edit_rwlock(lock_dir):
     yield lock
     with open(path, "w+") as fobj:
         json.dump(lock, fobj)
+        # NOTE: flush and fsync to ensure that rwlock contents are saved
+        fobj.flush()
+        os.fsync(fobj.fileno())
 
 
 def _infos_to_str(infos):
