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[core] Reduce file store scan for overwriting if new changes doesn't touch the target partitions#7894

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yuzelin wants to merge 3 commits into
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yuzelin:optimize-overwrite
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[core] Reduce file store scan for overwriting if new changes doesn't touch the target partitions#7894
yuzelin wants to merge 3 commits into
apache:masterfrom
yuzelin:optimize-overwrite

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@yuzelin
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@yuzelin yuzelin commented May 19, 2026

Purpose

We have manifest cache now, but through test, the cache can reduce read file time, but the more time is spent on decode file content. And in test case, the user commit interval is 30s, readOverwriteChanges will use 60s - 80s.
Since the overwrite partitions are rarely to be changed, I think cache the manifest entries is a good idea.

Tests

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