branch-4.1: [feat](cache-memory) add external metadata cache memory governance - #66717

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CalvinKirs wants to merge 11 commits into

apache:branch-4.1from

CalvinKirs:4.1-cache_memory

Commits on Aug 15, 2026

branch-4.1: add external metadata cache memory governance
CalvinKirs
committed
b89e044

Commits on Aug 17, 2026

[fix](fe) Harden external metadata cache memory governance
CalvinKirs
committed
41e63e0
[fix](fe) Make external metadata cache size estimators structural and fail closed on SDK layout changes
CalvinKirs
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6443730
[fix](fe) Address review findings on cache property lifecycle, statistics and partition-width accounting
CalvinKirs
committed
3d97895
[fix](fe) Address review findings on statistics upgrade tolerance, eviction telemetry and Iceberg payload terms
CalvinKirs
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053a91a
[fix](fe) Keep query-scoped Iceberg tables writable through live operations and reserve Paimon store graph
CalvinKirs
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c302b68
[fix](fe) Put the Paimon base table entry under the meta cache weight budget
CalvinKirs
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b8fcc6d
[fix](fe) Charge Iceberg range width for surviving merged partitions and retire Paimon projections of unpublished tables
CalvinKirs
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ec807ce
[fix](fe) Rebind Iceberg projections on operational refresh and retire children of removed base tables
CalvinKirs
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f5b9250
[fix](fe) Queue removal tokens only, revalidate Iceberg projections on ineffective bases and keep one Paimon latest projection per generation
CalvinKirs
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29ffdd6

Commits on Aug 19, 2026

Merge branch 'branch-4.1' into 4.1-cache_memory
CalvinKirs
committed
b6e8939