[tune] Fix directory naming regression (#6839)

python/ray/tune/tests/test_trial_runner.py

@@ -1,3 +1,4 @@
+import os
 import sys
 import unittest
 
@@ -57,7 +58,7 @@ class TrialRunnerTest(unittest.TestCase):
             trial_generator.add_configurations({name: spec})
             for trial in trial_generator.next_trials():
                 trial_executor.start_trial(trial)
-                self.assertLessEqual(len(trial.logdir), 200)
+                self.assertLessEqual(len(os.path.basename(trial.logdir)), 200)
                 trial_executor.stop_trial(trial)
 
     def testExtraResources(self):

python/ray/tune/tests/test_tune_save_restore.py

@@ -47,6 +47,8 @@ class SerialTuneRelativeLocalDirTest(unittest.TestCase):
         _register_all()
 
     def _get_trial_dir(self, absoulte_exp_dir):
+        print("looking for", self.MockTrainable._name)
+        print("in", os.listdir(absoulte_exp_dir))
         trial_dirname = next(
             (child_dir for child_dir in os.listdir(absoulte_exp_dir)
              if (os.path.isdir(os.path.join(absoulte_exp_dir, child_dir))

python/ray/tune/trial.py

@@ -270,7 +270,8 @@ class Trial:
         """Init logger."""
         if not self.result_logger:
             if not self.logdir:
-                self.logdir = Trial.create_logdir(str(self), self.local_dir)
+                self.logdir = Trial.create_logdir(
+                    str(self) + "_" + self.experiment_tag, self.local_dir)
             else:
                 os.makedirs(self.logdir, exist_ok=True)
 

python/ray/tune/tune.py

@@ -362,7 +362,7 @@ def run_experiments(experiments,
                     reuse_actors=False,
                     trial_executor=None,
                     raise_on_failed_trial=True,
-                    concurrent=False):
+                    concurrent=True):
     """Runs and blocks until all trials finish.
 
     Examples: