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Data warehouse ⇄ Accounting and finance

Apache Druid to Rillet integration — real-time, two-way sync

Keep Apache Druid and Rillet in sync without custom scripts. Cut weeks of integration work, eliminate silent data drift, and give your team a single, reliable source of truth.

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  • POC with real engineers in minutes

Adopted by fast-scaling companies moving mission-critical data in real time

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Why teams connect Apache Druid and Rillet

Land the financial records from Rillet in Apache Druid continuously, and write results back, without building or maintaining a pipeline.

Finance data belongs in the warehouse: revenue, invoices, payments, and customers joined with everything else the business measures. Getting it there usually means an extraction pipeline that breaks quietly and delivers yesterday's numbers.

Stacksync syncs Invoice Payment, Charge, Reimbursement, Custom Field from Rillet into tables in Apache Druid in real time, and the connection works in both directions: values computed in Apache Druid can be written back to fields in Rillet where you want them operational. Schema changes are handled, API limits are managed, and the sync is something you configure rather than code you maintain.

Common use cases

  • Push billing events from a product or usage-metering system into Rillet for revenue recognition.
  • Sync AR and collection status back to customer success tools ahead of renewals.
  • Query aggregated event metrics from Druid and sync them into CRM account fields for usage-based selling.
  • Feed operational records into Druid via batch ingestion so analysts get interactive slice-and-dice on fresh data.

Finance analytics without ETL

Invoices, payments, and customer records from Rillet arrive in Apache Druid as queryable tables, current within seconds instead of a day behind.

Revenue joined with everything else

Analysts combine Rillet's financial records with product, marketing, or operational data already in Apache Druid for reporting the finance system cannot do alone.

Write-back of computed fields

Scores or segments computed in Apache Druid, like payment-risk flags or customer tiers, sync back onto records in Rillet where the finance team can act on them.

What you can sync between Apache Druid and Rillet

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.

Apache Druid objects Rillet objects
Ingestion Supervisors Long-running specs that pull from streams like Kafka; the write path into Druid. Custom Field Synced with incremental and full sync per the Stacksync docs.
Lookups Key-value mappings joined at query time, refreshable from external systems. Account Synced with incremental and full sync per the Stacksync docs.
Tasks Batch ingestion and compaction jobs monitored during data loads. Customer Synced with incremental and full sync per the Stacksync docs.
Datasources The table-like unit of storage and querying, the main target of reads and ingestion. Vendor Synced with incremental and full sync per the Stacksync docs.
Segments Time-partitioned immutable files that hold datasource data; ingestion produces them. Invoice Synced with incremental and full sync per the Stacksync docs.
Dimensions String and categorical columns used for filtering and grouping in synced queries. Credit Memo Synced with incremental and full sync per the Stacksync docs.
What ships with Apache Druid ⇄ Rillet

Connect Apache Druid and Rillet for flexible, real-time data sync.

Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Apache Druid–Rillet connection.

Real-time

Two-way sync

Changes in Apache Druid or Rillet instantly reflect in both systems. No stale data, no manual imports.

No-code + pro-code

Workflow automation

Trigger automated workflows whenever Apache Druid or Rillet 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 Apache Druid or Rillet record.

Observability

Monitoring

Track your Apache Druid ⇄ Rillet sync health, view errors, and replay failed events in one click.

Trading partners

EDI

Transform legacy EDI complexity into simple database interactions between Apache Druid and Rillet.

How the Apache Druid and Rillet connectors work

Apache Druid

Integration surface
REST API (SQL over HTTP and native JSON queries); JDBC via Avatica
Authentication
Deployment-dependent: basic authentication or an authenticator extension; often fronted by a proxy
Change detection
Not applicable for reads out (polling by time interval); data enters Druid through streaming or batch ingestion rather than row updates
Capabilities
read · write
Rate limits
No fixed API quotas; query concurrency is bounded by broker and historical node capacity

Rillet

Integration surface
REST API (OpenAPI-specified, with production and sandbox environments)
Authentication
API key generated in Rillet (Organization Setting -> API Access); uncheck Read Only for bidirectional sync, check Read Only for one-way sync
Change detection
Near real-time updates via change tracking; incremental sync per object, with delete detection (some objects checked every 1h or 4h)
Capabilities
read · write · CDC · webhooks
Rate limits
Subject to the platform's API rate limits.
Rillet setup guide
How it works

How to connect Apache Druid to Rillet — 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.

  1. 01

    Connect your apps

    Authenticate Apache Druid and Rillet with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.

    • OAuth 2.0
    • SSH tunnel
    • VPC peering
    Apache Druid connected
    Rillet connected
    OAuth 2.0
    SSH tunnel
    SSL certificate
    VPC peering
  2. 02

    Choose tables

    Pick the Apache Druid and Rillet 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.

    • Standard objects
    • Custom objects
    • Auto-schema
    objects · Apache Druid ⇄ Rillet
    Customers 12,480
    Sales Orders 8,213
    Invoices 5,902
    Items 1,344
  3. 03

    Map fields

    Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.

    • Auto-map
    • Type casting
    • Transforms
    Apache Druid Rillet
    Company company_name text
    Email email text
    Amount amount numeric
    Created created_at timestamp
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FAQ

Apache Druid and Rillet integration FAQ

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.

Learn more about security
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:

OAuth 2 SSH Tunnelling SSL certificates IP Whitelisting VPN gateway VPC peering and more

Related integrations

Every pair below is a real-time, two-way sync. Search all 386 integrations available for Apache Druid and Rillet.

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