orneryd / NornicDB / 28059918008

89%

Build Type

push

github

Committed by orneryd

Commit Message

perf(storage): cache MVCC current-head node body decodes

Add a Badger item-version-tagged node body cache for GetNodeVisibleAt's
current-head fast path. Repeated entity-resolution reads now avoid
re-decoding the same full node payload, including large vector properties,
while preserving MVCC snapshot isolation by requiring the cached body version
to match the primary Badger item version observed by the read transaction.

BenchmarkBadgerEngine_GetNodeVisibleAt_CurrentHeadGraphitiVector:
  Before: 21,457 ns/op, 29,080 B/op, 37 allocs/op
  After:   2,008 ns/op, 10,784 B/op, 23 allocs/op

Adds regression coverage for cache copy safety, update invalidation, and
historical-version reads.

Coverage Stats

32 of 43 new or added lines in 3 files covered. (74.42%)

19 existing lines in 6 files now uncovered.

142698 of 161299 relevant lines covered (88.47%)

1.03 hits per line