Object storage: prefetch upcoming files ahead of the current one - #2137

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VighneshPath:feature/antalya-26.3/object-storage-file-lookahead

Commits on Jul 31, 2026

Object storage: prime upcoming files' reads ahead of the current one
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Object storage prefetch: add ProfileEvent and FailPoint for parity
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Object storage prefetch: fix missing FailPoints extern declaration
VighneshPath
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Object storage: do not drop prefetched files when a lookahead slot is empty

VighneshPath
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claude
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Object storage: prefetch readers on the shared pool, not a pool per source

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claude
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Object storage: say in the setting description that prefetching reorders files

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