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[data] Cache cluster_resources #41795

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merged 5 commits into from
Dec 21, 2023

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raulchen
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@raulchen raulchen commented Dec 11, 2023

Why are these changes needed?

cluster_resources() will be cached in each scheduling iteration. I found this became the bottleneck for training ingestion workloads. Cache the result to reduce the overheads.

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  • I've included any doc changes needed for https://docs.ray.io/en/master/.
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      method in Tune, I've added it in doc/source/tune/api/ under the
      corresponding .rst file.
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@stephanie-wang stephanie-wang left a comment

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Nice. Can we add a unit test?

Signed-off-by: Hao Chen <chenh1024@gmail.com>
Signed-off-by: Hao Chen <chenh1024@gmail.com>
Signed-off-by: Hao Chen <chenh1024@gmail.com>
Signed-off-by: Hao Chen <chenh1024@gmail.com>
Signed-off-by: Hao Chen <chenh1024@gmail.com>
@raulchen raulchen force-pushed the cache-cluster-resources branch from 96845c3 to 087f5b4 Compare December 21, 2023 18:44
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Nice. Can we add a unit test?

Thanks, added.

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@c21 c21 left a comment

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LGTM

@raulchen raulchen merged commit c0b069c into ray-project:master Dec 21, 2023
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@raulchen raulchen deleted the cache-cluster-resources branch December 21, 2023 21:37
vickytsang pushed a commit to ROCm/ray that referenced this pull request Jan 12, 2024
`cluster_resources()` will be cached in each scheduling iteration. I found this became the bottleneck for training ingestion workloads. Cache the result to reduce the overheads. 

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Signed-off-by: Hao Chen <chenh1024@gmail.com>
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3 participants