Managed Database Services · reliability comparison
CockroachDB Cloud vs MongoDB Atlas: which is more reliable? (2026)
CockroachDB Cloud is more reliable than MongoDB Atlas, scoring 57.6 vs 49.4 out of 100. Over the last 90 days CockroachDB Cloud reported 5 incidents and MongoDB Atlas reported 11, with effective uptime of 99.08% and 97.89% respectively. MongoDB Atlas resolves incidents faster on average (4h 18m).
Data updated Nov 1, 2026 · How we score
| Metric | CockroachDB Cloud | MongoDB Atlas |
|---|---|---|
| Reliability score | 57.6 | 49.4 |
| Rank (managed database services) | #11 | #12 |
| Uptime (90 days) | 99.08% | 97.89% |
| Incidents (90 days) | 5 | 11 |
| Partial / major outages | 4 | 4 |
| Avg time to resolve | 10h 59m | 4h 18m |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where CockroachDB Cloud and MongoDB Atlas differ
- MongoDB Atlas reported 2.2× as many incidents as CockroachDB Cloud over the last 90 days (11 vs 5).
- MongoDB Atlas fixes problems faster: 4h 18m on average, against 10h 59m for CockroachDB Cloud (2.6× quicker).
- CockroachDB Cloud's longest outage on record lasted 20h 4m (Aug 4, 2026); MongoDB Atlas's lasted 3d (Apr 17, 2026).
90-day uptime
CockroachDB Cloud
MongoDB Atlas
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent CockroachDB Cloud incidents
- Partial outageOct 20, 2026 · resolved in 7h
gcp-eu-west2-b-availability-zone-issuesofficial update ↗
Affected: CockroachDB Basic/Standard, CockroachDB Advanced
- Degraded performanceOct 6, 2026 · resolved in 22h 12m
Stock out issues in GCP us-central1
Affected: CockroachDB Advanced, Continuum Mission Critical
- Partial outageSep 17, 2026 · resolved in 1h 31m
Connection attempts failing for multiple Basic tenants in GCP South America (southamerica-east1).
Affected: CockroachDB Basic/Standard
- Partial outageSep 1, 2026 · resolved in 4h 9m
Cloud Latency, Delays, Connection Issuesofficial update ↗
Affected: CockroachDB Basic/Standard
- Partial outageAug 4, 2026 · resolved in 20h 4m
Cluster connectivity and execution issuesofficial update ↗
Affected: CockroachDB Basic/Standard
Recent MongoDB Atlas incidents
- Degraded performanceOct 20, 2026 · resolved in 12h 36m
GCP Availability Zone europe-west2-b connectivity issues
Affected: MongoDB Cloud
- Partial outageOct 9, 2026 · resolved in 1h 48m
Issue impacting Atlas Search availability on certain clusters
Affected: MongoDB Atlas Search
- InformationalOct 9, 2026 · resolved in 2h 35m
Admin Admin API: Intermittent Increase in 5xx errors
Affected: MongoDB Cloud
- Partial outageOct 1, 2026 · resolved in 5h 13m
Trigger processing may be delayed globallyofficial update ↗
Affected: MongoDB Atlas App Services and Device Sync
- InformationalSep 30, 2026 · resolved in 2h 10m
Delays in Atlas cluster management operations
Affected: MongoDB Cloud
- Degraded performanceSep 11, 2026 · resolved in 2h 23m
Atlas is experiencing issues with issuing certificates from Lets Encrypt
Affected: MongoDB Cloud, MongoDB Atlas for Government
Other managed database services to consider
- Upstash · #1 · 100% uptime
- Prisma Postgres · #2 · 99.96% uptime
- PlanetScale · #3 · 99.92% uptime
- Neon · #4 · 100% uptime
See the full most reliable managed database services ranking →