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Enable chunk prefetching #11028

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abhijat opened this issue May 25, 2023 · 3 comments · Fixed by #10950
Closed

Enable chunk prefetching #11028

abhijat opened this issue May 25, 2023 · 3 comments · Fixed by #10950
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@abhijat
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area/cloud-storage Shadow indexing subsystem kind/enhance New feature or request

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@abhijat
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abhijat commented May 25, 2023

When fetching a chunk from cloud storage during tiered storage read path, it should be possible to prefetch additional chunks as a form of read-ahead.

These chunks should be placed in the cache path but not hydrated or have their file handles opened, so that they are evicted quickly by the cache if required.
@abhijat abhijat added kind/enhance New feature or request area/cloud-storage Shadow indexing subsystem labels May 25, 2023
@abhijat abhijat self-assigned this May 25, 2023
@abhijat abhijat mentioned this issue May 25, 2023
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@mattschumpert
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Is this happening in 23.2 then?

@abhijat
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abhijat commented Jun 21, 2023

Is this happening in 23.2 then?

The PR is open, investigating some CI failures on it now.

@mattschumpert
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@rkruze :)

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cloud_storage: enable prefetching chunks abhijat/redpanda
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@abhijat @mattschumpert