YaoRazor opened a new pull request, #53190:
URL: https://github.com/apache/spark/pull/53190
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### What changes were proposed in this pull request?
This PR represents Pinterest's work to boost Spark cluster efficiency.
We propose a novel burst-aware memory allocation algorithm, Canon, that
partitions part of the cluster memory into fixed and burst segments. This
approach allows the burst segments to be shared among different pods, improving
overall memory utilization.
The effectiveness of this algorithm has been validated through a prototype
implementation, demonstrating its potential to optimize memory usage
Acknowledgement
This PR is mainly based on Nan Zhu's work while he was working at Pinterest.
### Why are the changes needed?
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### Does this PR introduce _any_ user-facing change?
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No
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UT
Production tests are Pinterest
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No
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