[SPARK-37824][DOCS] Document K8s executor rolling configurations#35114
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[SPARK-37824][DOCS] Document K8s executor rolling configurations#35114dongjoon-hyun wants to merge 1 commit intoapache:masterfrom dongjoon-hyun:SPARK-37824
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viirya
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Jan 6, 2022
| an executor and decommission it. The built-in policies are based on executor summary | ||
| and newly started executors are protected by spark.kubernetes.executor.minTasksPerExecutorBeforeRolling. | ||
| ID policy chooses an executor with the smallest executor ID. | ||
| ADD_TIME policy chooses an executor with the smallest add-time. |
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It's the time when a executor was added~
Spark creates executor pods in an order of sequential ID, but the pod creation times depends on the node status.
Some nodes need to download the pod image. So, ID order and ADD_TIME order is different in the production.
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Oh, I see. Thanks for the explanation.
viirya
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Jan 6, 2022
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Thank you so much, @viirya ! |
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### What changes were proposed in this pull request? This PR aims to document newly added K8s executor rolling configurations. ### Why are the changes needed? To make doc up-to-date. ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? Manually review. <img width="1393" alt="Screen Shot 2022-01-05 at 10 04 19 PM" src="https://user-images.githubusercontent.com/9700541/148336572-125f2a78-5131-4a04-9fc9-f1457a381d4e.png"> Closes apache#35114 from dongjoon-hyun/SPARK-37824. Authored-by: Dongjoon Hyun <dongjoon@apache.org> Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
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What changes were proposed in this pull request?
This PR aims to document newly added K8s executor rolling configurations.
Why are the changes needed?
To make doc up-to-date.
Does this PR introduce any user-facing change?
No.
How was this patch tested?
Manually review.