feat: non-blocking concurrent checkpoint (WAL rotation + MVCC snapshot)#371

Merged

adsharma merged 11 commits intomainfrom

feat/concurrent-writes2

Apr 8, 2026

Commits on Apr 8, 2026

feat(storage): port Vela non-blocking checkpoint + concurrent writes

loganpowell
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adsharma
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style: reformat with clang-18 via upstream Docker script (fixes 4 files that differed from clang-22)

loganpowell
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adsharma
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fix: make catalog_version() report delta since last checkpoint, update checkpoint timeout tests

loganpowell
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adsharma
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fix: address adsharma review comments on PR #332 (lastTimestamp race, const_cast, vacuumColumnIDs, DDL-race comment)

loganpowell
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adsharma
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fix: propagate const Transaction* to CSRInMemChunkedNodeGroup::flush override

loganpowell
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adsharma
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test: fix createDBAndConn lifetime crashes in ReviewFixesTest

loganpowell
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adsharma
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refactor: document hash-index limitation; add postCheckpointCleanup rationale

loganpowell
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adsharma
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feat: expose enableMultiWrites; add mvcc-bank pytest suite + results

loganpowell
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adsharma
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fix: reorder SystemConfig initializer list to match declaration order

loganpowell
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adsharma
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test: disable auto checkpoint for benchmarking
adsharma
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revert: ci, benchmarks and .gitignore changes
adsharma
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