[Data] Fixed retry policy for hash-shuffle tasks #57572
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goutamvenkat-anyscale
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Oct 8, 2025
dayshah
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🚢 🚢
also maybe it makes sense for data to have some default thing at a higher level so you don't have to manually set it everywhere
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Code Review
This pull request aims to fix the retry policy for hash-shuffle tasks by setting indefinite retries. The changes look good, but I've found a potential inconsistency in the retry parameters used for actor tasks versus normal tasks, which could lead to unexpected behavior on application-level errors. My review comment provides more details and a suggestion to address this.
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Cherry-pick of #57572 Signed-off-by: Alexey Kudinkin <ak@anyscale.com>
Signed-off-by: Alexey Kudinkin <ak@anyscale.com>
Signed-off-by: Alexey Kudinkin <ak@anyscale.com>
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| @ray.remote( | ||
| # Make sure tasks are retried indefinitely | ||
| max_task_retries=-1 | ||
| ) |
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Bug: Misconfigured Actor Retry Parameter
The HashShuffleAggregator actor is configured with max_task_retries=-1. This parameter is for tasks, not actors; actors use max_restarts for retry behavior. As a result, the intended indefinite retries for the actor won't apply, or actor creation might fail.
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<!-- Thank you for your contribution! Please review https://github.com/ray-project/ray/blob/master/CONTRIBUTING.rst before opening a pull request. --> <!-- Please add a reviewer to the assignee section when you create a PR. If you don't have the access to it, we will shortly find a reviewer and assign them to your PR. --> ## Why are these changes needed? Currently, Hash shuffle relies on default settings of `max_retries` for tasks which is incorrect. Instead, we explicitly configure it to be retrying indefinitely. ## Related issue number <!-- For example: "Closes ray-project#1234" --> ## Checks - [ ] I've signed off every commit(by using the -s flag, i.e., `git commit -s`) in this PR. - [ ] I've run pre-commit jobs to lint the changes in this PR. ([pre-commit setup](https://docs.ray.io/en/latest/ray-contribute/getting-involved.html#lint-and-formatting)) - [ ] I've included any doc changes needed for https://docs.ray.io/en/master/. - [ ] I've added any new APIs to the API Reference. For example, if I added a method in Tune, I've added it in `doc/source/tune/api/` under the corresponding `.rst` file. - [ ] I've made sure the tests are passing. Note that there might be a few flaky tests, see the recent failures at https://flakey-tests.ray.io/ - Testing Strategy - [ ] Unit tests - [ ] Release tests - [ ] This PR is not tested :( --------- Signed-off-by: Alexey Kudinkin <ak@anyscale.com> Signed-off-by: Josh Kodi <joshkodi@gmail.com>
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Why are these changes needed?
Currently, Hash shuffle relies on default settings of
max_retriesfor tasks which is incorrect. Instead, we explicitly configure it to be retrying indefinitely.Related issue number
Checks
git commit -s) in this PR.method in Tune, I've added it in
doc/source/tune/api/under thecorresponding
.rstfile.