[SPARK-38101][CORE] Retry INTERNAL_ERROR_BROADCAST when fetching map statuses#55390
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EnricoMi wants to merge 1 commit intoapache:masterfrom
Open
[SPARK-38101][CORE] Retry INTERNAL_ERROR_BROADCAST when fetching map statuses#55390EnricoMi wants to merge 1 commit intoapache:masterfrom
EnricoMi wants to merge 1 commit intoapache:masterfrom
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What changes were proposed in this pull request?
Retry
INTERNAL_ERROR_BROADCASTimmediately when fetching the broadcast variable fails. Retrying will create a new broadcast variable on the driver. This should eventually succeed.Fixes #54723. Supersedes #54987.
Why are the changes needed?
Executors may fail when fetching map statuses while map status are modified:
The issue occurs when
getStatuses(to get to know where to read shuffle data from)updateMapOutputoccurred, which invalidates the cached broadcast variable and deletes the broadcast variable valueDoes this PR introduce any user-facing change?
No.
How was this patch tested?
Unit test.
Was this patch authored or co-authored using generative AI tooling?
No.