arcadedb
https://github.com/arcadedata/arcadedb
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- Issues
- HA: a create database whose install entry never commits leaves the database on the old leader only; the cluster reports converged while that node serves reads of it and the others answer DatabaseNotFound
- vector.neighbors that starts a graph build answers HTTP 500 CancellationException when DROP INDEX cancels that build (a search arriving after the drop gets the 400 'No vector index found')
- fix(#11848): create a database in HA through the replicated log first, so an install entry that never commits leaves no copy on the old leader
- fix(#11849): a search whose graph build a DROP INDEX cancels answers by the missing index, not CancellationException
- fix(#11871): a range min()/max() keeps its index seek under a LIMIT or a TIMEOUT, so the HTTP endpoints' appended LIMIT no longer turns it into a scan of the range
- openCypher label scans run single-threaded for a filter with a function call, a large-range index predicate and a top-k ORDER BY, 4x to 6x slower than the same SQL (and than openCypher's own parallel arithmetic filter)
- openCypher MATCH ()-[e:K]->() WHERE e.<property> ... walks every vertex's edge lists instead of scanning the edge type: 231 ms vs 19 ms for the same count in SQL
- Time series line-protocol write: an unknown 'precision' (sec, seconds, m, h) answers 204 and stores the timestamps as nanoseconds, i.e. in 1970
- PromQL query endpoints answer 500 StringIndexOutOfBoundsException for a label matcher that ends at its operator (m1{region=)
- fix(#11877): a PromQL label matcher that ends at its operator is a parse error (400), not a read past the end of the query (500)
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