POC: background BM25 compaction via pg_durable - #471

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tjgreen42 wants to merge 60 commits into

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task2-bm25-compact

Commits on Aug 26, 2026

feat: add bm25_level_counts() to inspect LSM level occupancy
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7c07609
feat: add bm25_compact() and bm25_compact_step()
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f7335c6
feat: add compaction predicates and bm25_compact_pending()
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d8e0f27
feat: add pg_textsearch.compaction_mode GUC
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97e1967
feat: dispatch background compaction requests at pre-commit
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b213eb4
feat: add pg_durable glue scripts for background compaction
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31abd8b
docs: document worker-session GUC scope and empty df.nodes.error
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b7e3ac1
test: add end-to-end pg_durable compaction test
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7ea1aaa
test: pin durable test to pg_config's install and fail early
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5623846
docs: document background compaction via pg_durable
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1c0d114
bench: measure the transaction that actually triggers a merge
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68c7f0e
demo: add background compaction demo
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fb9b74d
docs: explain why a merge cannot be cancelled
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c8028be

Commits on Aug 27, 2026

fix: pin search_path on the new SQL-bodied compaction functions
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96391d2
docs: design background compaction remediations
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0b44cec
docs: clarify physical spill request semantics
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69dc3ae
docs: plan background compaction remediations
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2a78ed6
fix: compact stranded levels safely
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9ce2b09
fix: request only necessary background compaction
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9258c03
fix: preserve compaction request interrupt semantics
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ae7505c
fix: free canceled compaction requests
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4f1cdb7
fix: harden durable compaction privileges
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99b214f
docs: sync compaction remediation design
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969a814

Commits on Aug 28, 2026

fix: close durable compaction privilege gaps
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52c5013
fix: skip partitioned indexes in compaction backstop
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92b0b05
docs: record durable security constraints
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86dec9a
docs: capture pg_durable follow-up
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c1ea12c
docs: expand pg_durable follow-up scope
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b03eee9
docs: define dropped-index task cleanup
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92ab160
fix: reject unsafe owner role chains
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55ac658
fix: validate durable compaction targets
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7f3e936
fix: reject temporary durable targets
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2e1fa9b
bench: drain all background compaction work
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aa52765
bench: propagate background benchmark failures
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fc3e540
build: package durable compaction operator files
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7ad21bb
build: require exact package content paths
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0ede7d0
docs: consolidate background compaction design
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e073ad5
docs: clarify unlogged compaction semantics
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b6ff5ab
docs: qualify compaction durability in runbook
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379293b
fix: sandbox compaction request callbacks
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be1cfc8
fix: harden compaction backstop identity
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1267c5d
fix: prevent segment count overflow
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2f62418
fix: preflight spill segment capacity
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ef44693
docs: focus pg_durable compaction follow-ups
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6a10daf
docs: narrow pg_durable compaction requirement
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49ae41d
fix: harden compaction transaction callbacks
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9c9ea2e
fix: reject empty callback identifiers
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d7d23c1
fix: unblock compaction at full intermediate levels
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bd50ba3
fix: tighten durable compactor privileges
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49b5c2d
fix: harden durable compaction operations
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cf30791
fix: harden backstop discovery and package links
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647f775
fix: address final background compaction review
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7094800

Commits on Aug 29, 2026

fix: close background compaction review gaps
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6966054
fix: prevent compaction wrapper grant delegation
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4d23a4d
fix: preserve force merge single-segment invariant
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5d8b6e7
fix: enforce force merge postcondition
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0c38063
docs: plan background compaction PR series
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c1bedf2
docs: plan background compaction extraction
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773cddb
docs: align compaction plan with pg_durable API
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734522d

Commits on Aug 30, 2026

fix: qualify operators in helper ACL cleanup
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ccf6188