[experimental] CAS (Content-addressed storage) over shared object storage for antalya-26.6 - #2159

Merged

mkmkme merged 60 commits into

antalya-26.6from

feature/antalya-26.6/CAS

Aug 26, 2026

Commits on Aug 4, 2026

Fix ReadBufferFromFileView position tracking (B115)

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7c7d0ee
Stop retrying S3 reads after query cancellation (B117)

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3d86e1c
Retain parent ThreadGroup from borrowed children (B90)

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002f387
Fail closed on a null MergeTreeDeduplicationLog writer (B37)

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a5a76b9
S3 conditional-write support and 412 no-retry policy

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069f021
Use Expect: 100-continue for large conditional S3 uploads

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f6816f5
GCS conditional-write dialect and GOOG4 signer

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57bd419
LocalObjectStorage: snapshot listing semantics and hardening

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4fcc40f
Disk-transaction contract: one logical part = one transaction

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93d545b
Unwrap table proxies in single-table SYSTEM commands

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3d35dfc
clickhouse-disks: non-interactive runs exit nonzero on a failed command

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f85cb43
Fix MSan build: include DataTypesDecimal.h in IcebergWrites.cpp

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407935b
CAS subsystem: Primitives layer

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83a0425
CAS subsystem: Formats layer

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7abc22a
CAS subsystem: Backend layer

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ef2448c
CAS subsystem: Pool layer

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58d4f0b
CAS subsystem: Parts layer

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9d08bc0
CAS subsystem: GC layer

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a840c03
CAS subsystem: Tools layer

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379e948
CAS subsystem: microbenchmarks

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1c5ecf2
CAS integration: disk surface and registration

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edb79be
CAS integration: system logs and introspection

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1d92894
CAS integration: SYSTEM commands

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4fb813a
CAS integration: registries, fetch-by-relink, entry points

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9fd2b91
CAS tests: unit (gtest)

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07dd887
CAS tests: stateless

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2d5e095
CAS tests: integration

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96cf457
CAS CI wiring and test tags

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8ad9b86
CAS documentation: the Antalya CAS book

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14ecc1f
CAS documentation

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056488b

Commits on Aug 8, 2026

Merge branch 'antalya-26.6' into feature/antalya-26.6/CAS
mkmkme
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842f2b3

Commits on Aug 11, 2026

regen workflows after merge
strtgbb
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2eb214b
remove ci tests from blocking jobs
strtgbb
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f76335f

Commits on Aug 17, 2026

Merge branch 'antalya-26.6' of github.com:Altinity/ClickHouse into feature/antalya-26.6/CAS
zvonand
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187e066

Commits on Aug 18, 2026

Merge branch 'antalya-26.6' into feature/antalya-26.6/CAS
strtgbb
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7b274f0

Commits on Aug 20, 2026

Commits on Aug 21, 2026

Commits on Aug 24, 2026

Commits on Aug 25, 2026

Merge branch 'antalya-26.6' into feature/antalya-26.6/CAS
CarlosFelipeOR
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82fa620
tests: pin granularity in 04300_cas_projection_multiblock so the projection stays cheaper

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e919fdd
cas: prove namespace absence per-row, not by whole-catalog stillness

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83c03e2
docs: list the encrypted-over-CAS wrapper as a known limitation

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8779adc
cas: isolate GCS generation semantics to CAS requests instead of to authentication

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b69051a
cas: scope the FREEZE shadow namespace to its server root

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335802a
cas: clone a part into a content-addressed disk in one transaction on the cross-disk path

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84b30f6
cas: one undecodable manifest no longer stops reclamation for the whole pool

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2649bce
cas: publish blobs unconditionally after a mandatory HEAD

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940b168
cas: bound mount-lease renewal, classify mount-claim conflicts, and give GC meta-jobs ownership

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7f932d3
cas: drain detached work and survive a released Context at shutdown

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205af29
ci: update the RustFS test backend to rc3

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3e79b8d
cas: give the CAS disk settings their own `cas_` config-key namespace

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917600b
cas: reconcile comments diverged by two independent upstream merges

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c7cd641
ci: stabilize the CAS test lanes and make the moved tests runnable

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b20a794
cas: admit worker renewals only over an Active keeper

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ceee42c