Real-time
Two-way sync
Changes in Azure Cosmos DB or VoltDB instantly reflect in both systems. No stale data, no manual imports.
Database
Azure Cosmos DB to VoltDB integration — real-time, two-way sync
Keep Azure Cosmos DB and VoltDB in sync without custom scripts. Cut weeks of integration work, eliminate silent data drift, and give your team a single, reliable source of truth.
- SOC 2 and 6 other compliance frameworks
- POC with real engineers in minutes
Adopted by fast-scaling companies moving mission-critical data in real time
Case study
Migrated from Mulesoft
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Migrated from Celigo
Migrated from Heroku Connect
Migrated from Matillion
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Migrated from Fivetran
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Migrated from Celigo
Why teams connect Azure Cosmos DB and VoltDB
Keep Azure Cosmos DB and VoltDB synchronized in real time, across engines, regions, or services, in one or both directions.
Two databases that must agree is one of the oldest problems in engineering: different engines for different workloads, separate services with overlapping reference data, a migration in flight, or regional instances that share a subset of records. Hand-rolled replication across systems means change capture, conflict handling, and type mapping, all built and maintained by your team.
Stacksync syncs tables or collections between Azure Cosmos DB and VoltDB continuously and bi-directionally, translating types between the two engines and resolving conflicts by rules you configure. Rows written on either side appear on the other within seconds.
Common use cases
- Mirror Cosmos DB items into Postgres so teams can query operational data with standard SQL.
- Two-way sync between a Cosmos DB-backed product catalog and a PIM or commerce platform.
- Keep product, plan, or entitlement state consistent between VoltDB and back-office systems.
- Push aggregates from VoltDB materialized views into dashboards or operational tools.
Regional or environment copies
Mirror selected tables to another region or environment continuously, filtered to just the rows that should travel.
Cross-engine sync
Keep the same dataset live in both Azure Cosmos DB and VoltDB, so each workload runs on the engine that suits it.
Migration with zero-downtime cutover
When one database is replacing the other, sync both directions during the transition and switch traffic when ready, without a freeze window.
What you can sync between Azure Cosmos DB and VoltDB
Representative objects on each side — any object or custom field can map to any target. Schemas are auto-detected; types are converted between the two systems.
| Azure Cosmos DB objects | VoltDB objects | |
|---|---|---|
| Stored procedures and triggers Server-side logic scoped to a partition; relevant when writes must respect existing validation. | Stored Procedures Precompiled transactional units that serve as the primary write interface. | |
| Databases Top-level namespaces that scope containers and throughput provisioning. | Materialized Views Synchronously maintained aggregates over tables, useful as pre-computed read sources. | |
| Containers The unit of partitioning and throughput; each container maps to a synced collection. | Streams Insert-only constructs that feed the export subsystem with committed rows. | |
| Items (JSON documents) Schema-flexible JSON records read and written during sync; nested structures are flattened or mapped as needed. | Export Targets and Topics Connectors that push committed data to external systems such as Kafka or JDBC sinks. | |
| Partition keys Determine data distribution and must be included on writes for the sync to route items correctly. | Partitioned Tables Tables sharded across partitions by a partitioning column; the primary transactional store and sync target. | |
| Change feed entries Ordered record of inserts and updates per partition, consumed for incremental sync. | Replicated Tables Small reference tables copied to every partition, a common landing spot for synced lookup data. |
What ships with Azure Cosmos DB ⇄ VoltDB
Connect Azure Cosmos DB and VoltDB for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Azure Cosmos DB–VoltDB connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever Azure Cosmos DB or VoltDB data changes, update records, fire webhooks, or kick off sequences without brittle API scripts.
At scale
Event queues
Handle millions of events per minute without losing a single Azure Cosmos DB or VoltDB record.
Observability
Monitoring
Track your Azure Cosmos DB ⇄ VoltDB sync health, view errors, and replay failed events in one click.
Trading partners
EDI
Transform legacy EDI complexity into simple database interactions between Azure Cosmos DB and VoltDB.
How the Azure Cosmos DB and VoltDB connectors work
Azure Cosmos DB
- Integration surface
- REST API and SDKs over HTTPS (API for NoSQL, formerly the SQL API); also MongoDB, Cassandra, Gremlin, and Table API surfaces
- Authentication
- Account keys, resource tokens, or Microsoft Entra ID role-based access
- Change detection
- Built-in change feed exposing inserts and updates in order within each partition key range
- Capabilities
- read · write · CDC
VoltDB
- Integration surface
- SQL over JDBC plus native client libraries and an HTTP/JSON interface
- Authentication
- Database credentials
- Change detection
- Export streams and topics push committed changes to configured targets; otherwise polling
- Capabilities
- read · write
- Rate limits
- No API rate limits; throughput is bounded by partition count and cluster sizing.
How it works
How to connect Azure Cosmos DB to VoltDB — three steps, no code
Configure and sync within minutes, no code. Whether you sync 50k or 100M+ records, Stacksync handles the queues, infra, and plumbing. Integrations are non-invasive and need zero setup on your systems.
- 01
Connect your apps
Authenticate Azure Cosmos DB and VoltDB with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.
Azure Cosmos DB
connected
VoltDB
connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the Azure Cosmos DB and VoltDB objects to sync — Stacksync auto-detects both schemas, including custom fields where the platform exposes them. Sync to existing tables, or let Stacksync create new ones with ideal data types.
objects · Azure Cosmos DB ⇄ VoltDBCustomers 12,480Sales Orders 8,213Invoices 5,902Items 1,344 - 03
Map fields
Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.
Azure Cosmos DB VoltDBCompany company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
Azure Cosmos DB and VoltDB integration FAQ
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Yes. Stacksync provides a managed, real-time two-way integration between Azure Cosmos DB and VoltDB: authenticate both systems, choose the objects to sync (such as Azure Cosmos DB's Stored procedures and triggers and Databases), map fields visually, and changes propagate both ways in milliseconds — no code required.
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Azure Cosmos DB: The change feed is a first-class feature: it records inserts and updates (and, in newer modes, deletes) so incremental sync does not require scanning containers. VoltDB: The built-in export subsystem streams committed rows to external targets such as Kafka, which is the product's native change-propagation path. Stacksync's field mapping accounts for these differences between Azure Cosmos DB and VoltDB without custom code.
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Stacksync is SOC 2 Type II and ISO 27001 certified with HIPAA BAA support. Data is encrypted in transit, and a zero-persistent-storage architecture means Azure Cosmos DB and VoltDB records are not retained after a sync operation.
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Stacksync pricing is usage-based and starts at $1,000/month, including the managed Azure Cosmos DB and VoltDB connectors, real-time two-way sync, monitoring, and support. That replaces building and maintaining a custom Azure Cosmos DB–VoltDB integration in-house.
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Yes — Stacksync ships production-grade connectors for both Azure Cosmos DB and VoltDB. The connectors handle authentication, schema detection, rate limits, and retries; you configure the sync, and Stacksync operates it.
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Change detection on Azure Cosmos DB: Built-in change feed exposing inserts and updates in order within each partition key range. On VoltDB: Export streams and topics push committed changes to configured targets; otherwise polling. Each detected change propagates to the other side in milliseconds, with field-level conflict resolution and an inspectable event log.
SECURITY
Security teams love Stacksync
As a data company, we understand the importance of keeping your data secure. Stacksync is built with security best practices to keep your data safe at every layer, and is DPF-certified for US, EU, UK and CH data transfers.
SOC 2 type II
ISO 27001
HIPAA BAA
GDPR
CCPA
CSA STAR
DPF US-EU-UK-CH
→ SECURITY WITH BENEFITS
SSO & SCIM
Let your users access Stacksync from your centralized user management systems. Works with Okta, Azure, Google SSO and more.
Alerts
Immediately get alerted about record syncing issues over email, Slack, PagerDuty and WhatsApp. Resolve issues from a centralized dashboard with retry and revert options.
Secure connection options
Securely connects to your systems with:
Related integrations
Every pair below is a real-time, two-way sync. Search all 386 integrations available for Azure Cosmos DB and VoltDB.
Popular · 8 of 386
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Azure Cosmos DB ⇄ Airtable -
Azure Cosmos DB ⇄ AWS Aurora MySQL - Azure Cosmos DB ⇄ AWS Aurora PostgreSQL
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Azure Cosmos DB ⇄ MongoDB -
VoltDB ⇄ OpenSearch -
VoltDB ⇄ Oracle DB -
VoltDB ⇄ RavenDB -
VoltDB ⇄ Redis Enterprise
No integrations match .
