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Posted to reviews@spark.apache.org by "xiongbo-sjtu (via GitHub)" <gi...@apache.org> on 2023/09/20 23:15:06 UTC
[GitHub] [spark] xiongbo-sjtu opened a new pull request, #43020: [SPARK-45227][CORE] Fix an issue with CoarseGrainedExecutorBackend
xiongbo-sjtu opened a new pull request, #43020:
URL: https://github.com/apache/spark/pull/43020
### What changes were proposed in this pull request?
Fix a subtle thread-safety issue with CoarseGrainedExecutorBackend where an executor process randomly gets stuck
### Why are the changes needed?
For each executor, the single-threaded dispatcher can run into an "infinite loop" (as explained in the SPARK-45227). Once an executor process runs into a state, it'd stop launching tasks from the driver or reporting task status back.
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
Existing unit tests
### Was this patch authored or co-authored using generative AI tooling?
No
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[GitHub] [spark] xiongbo-sjtu closed pull request #43020: [SPARK-45227][CORE] Fix an issue with CoarseGrainedExecutorBackend
Posted by "xiongbo-sjtu (via GitHub)" <gi...@apache.org>.
xiongbo-sjtu closed pull request #43020: [SPARK-45227][CORE] Fix an issue with CoarseGrainedExecutorBackend
URL: https://github.com/apache/spark/pull/43020
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