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Posted to reviews@spark.apache.org by "dongjoon-hyun (via GitHub)" <gi...@apache.org> on 2025/07/03 06:41:24 UTC
[PR] [SPARK-52668] Set `(Initial|Max)RAMPercentage` to 80% by default [spark-kubernetes-operator]
dongjoon-hyun opened a new pull request, #276:
URL: https://github.com/apache/spark-kubernetes-operator/pull/276
### What changes were proposed in this pull request?
This PR aims to set `(Initial|Max)RAMPercentage` Java option to `80%` by default.
### Why are the changes needed?
1. Af the pod creation time, this will be determined automatically based on the user-provided pod memory size.
2. During runtime, this will reduce GC resizing overhead because we have a fixed size.
### Does this PR introduce _any_ user-facing change?
Only JVM GC behavior changes.
### How was this patch tested?
Manual review.
### Was this patch authored or co-authored using generative AI tooling?
No.
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Re: [PR] [SPARK-52668] Set `(Initial|Max)RAMPercentage` to 80% by default [spark-kubernetes-operator]
Posted by "dongjoon-hyun (via GitHub)" <gi...@apache.org>.
dongjoon-hyun closed pull request #276: [SPARK-52668] Set `(Initial|Max)RAMPercentage` to 80% by default
URL: https://github.com/apache/spark-kubernetes-operator/pull/276
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Re: [PR] [SPARK-52668] Set `(Initial|Max)RAMPercentage` to 80% by default [spark-kubernetes-operator]
Posted by "dongjoon-hyun (via GitHub)" <gi...@apache.org>.
dongjoon-hyun commented on PR #276:
URL: https://github.com/apache/spark-kubernetes-operator/pull/276#issuecomment-3031093276
Thank you, @viirya and @peter-toth !
Merged to main.
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