Observed Signal · Aug 21, 2026 · Technical Report · Source: DEV Community · Impact: 2/5 · Sentiment: Neutral
Infrastructure Market: Benchmark of Five Managed Graph Databases
A reproducible benchmark comparing CognoDB Cloud, Neo4j AuraDB, Memgraph, FalkorDB and ArangoDB revealed major pitfalls in naive measurement: geographic placement of managed instances skewed raw latency numbers, server-reported execution time (via Bolt drivers) is required for fair engine-to-engine comparison, and CognoDB v0.9.11 exhibited a background-indexing behaviour that caused indexed lookups to return no results while an index was building, silently dropping relationship writes. Concurrency characteristics differed: cloud-hosted databases scaled with client concurrency due to network latency hiding server idle time, while local instances became CPU-bound and slowed. The author published the full harness and raw data on GitHub.
Technical, reproducible benchmarking of graph databases reveals practical measurement pitfalls (network geography, server-reported timings) and a data-consistency/indexing bug in CognoDB; useful to engineers selecting or operating graph stores but not industry-shifting.
Wichtigste Kernpunkte & Evidenz
- Five graph databases were benchmarked: CognoDB Cloud, Neo4j AuraDB, Memgraph, FalkorDB and ArangoDB.
- Geographic placement of managed cloud instances (e.g., CognoDB in Google Cloud us-east4 and Neo4j AuraDB in Google's Singapore range) skewed raw wall-clock latency measurements.
- Using server-reported execution time via Bolt drivers (network excluded) was necessary to fairly compare engines in different regions.
- CognoDB v0.9.11 builds indexes in the background and, while an index is building, indexed lookups returned no results causing relationship writes to be silently dropped until the index finished.
- Concurrency tests showed cloud databases scaled throughput with more clients (latency-bound), while local databases became CPU-bound and degraded under higher concurrency.
Verknüpfte Unternehmen
3 verknüpfte UnternehmenNeo4j
Führender Anbieter von Graphdatenbanken und Software für Graph-Analytics im Enterprise-Bereich.
“The other managed database, Neo4j AuraDB, landed in Singapore, about 88 ms from me, which had me worried right away, because now my two clou...”
GitHub
GitHub ist die führende cloudbasierte Entwicklungsplattform für kollaborative Softwareentwicklung, CI/CD-Automatisierung und KI-gestützte Codierung.
“The full harness, every number, and all the raw data are on GitHub: github.com/FANZ3R/graph-database-cloud-benchmark...”
Google Cloud
Enterprise cloud, data and AI services for businesses.
“CognoDB's free instance provisioned into Google Cloud's us-east4 region, which is Northern Virginia....”
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