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[RLlib] Fix 2 broken CI test cases: test_learner_group and cartpole_dqn_envrunner. #45110

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merged 3 commits into from
May 2, 2024

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@sven1977 sven1977 commented May 2, 2024

Fix 2 broken CI test cases: test_learner_group and cartpole_dqn_envrunner.

Why are these changes needed?

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Signed-off-by: sven1977 <svenmika1977@gmail.com>
Signed-off-by: sven1977 <svenmika1977@gmail.com>
Signed-off-by: sven1977 <svenmika1977@gmail.com>
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LGTM.

@@ -274,7 +274,7 @@ def _sample_timesteps(
if explore:
env_steps_lifetime = self.metrics.peek(
NUM_ENV_STEPS_SAMPLED_LIFETIME
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NUM_ENV_STEPS_SAMPLED_LIFETIME is then update during synching the metrics in between sampling?

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Correct, it's always updated anyways (this was a bug) after each single env step. Inside self._increase_sampled_metrics().

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And it's also hard-overwritten by the Algo itself after each iteration in order to sum up all the steps from all the other EnvRunners (making sure each EnvRunner always has the total steps sampled, not just its own lifetime count).

@sven1977 sven1977 merged commit de9090c into ray-project:master May 2, 2024
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@sven1977 sven1977 deleted the fix_2_broken_ci_test_cases branch May 2, 2024 15:35
harborn pushed a commit to harborn/ray that referenced this pull request May 8, 2024
peytondmurray pushed a commit to peytondmurray/ray that referenced this pull request May 13, 2024
…e_dqn_envrunner`. (ray-project#45110)

Signed-off-by: pdmurray <peynmurray@gmail.com>
ryanaoleary pushed a commit to ryanaoleary/ray that referenced this pull request Jun 6, 2024
…e_dqn_envrunner`. (ray-project#45110)

Signed-off-by: Ryan O'Leary <ryanaoleary@google.com>
ryanaoleary pushed a commit to ryanaoleary/ray that referenced this pull request Jun 7, 2024
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2 participants