CONTROL PLANE
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POSTGRES CORE
RELATIONALCACHEQDRANTCHROMARESILIENCE
ENTERPRISE DATA BLUEPRINT READY
DATABASE
COMMAND
A production-style data platform connecting PostgreSQL as the system of record, Redis for low-latency cache and streams, Qdrant for scalable vector retrieval, and Chroma as an alternative embedding store across the Roberto portfolio.
04Core data engines
—Schema entities
—Backup policies
—RAG documents
01 — Transaction foundation
POSTGRES
CORE
Normalized schemas, constraints, indexes, row-level security, partitions, WAL archiving, point-in-time recovery, and streaming replicas protect durable portfolio data.
02 — Acceleration layer
REDIS
VELOCITY
Cache-aside patterns, TTL policy, streams, rate limits, sessions, RDB snapshots, AOF persistence, ACLs, and replicas reduce latency without replacing the source of truth.
03 — AI retrieval fabric
VECTOR
MEMORY
Qdrant provides collections, payload filters, HNSW search, snapshots, shards, and distributed replicas. Chroma supplies a developer-friendly alternative for local and application-level retrieval.
04 — Operational control
SECURE
RECOVERABLE
Encrypted traffic, least privilege, secret rotation, tested restore procedures, replica lag controls, horizontal scale, retention policy, and source-controlled runbooks complete the enterprise data operating model.
P200
Database Architecture
One durable source of truth, one acceleration layer, and two vector backends connected through explicit ownership, consistency, and recovery boundaries.
ER DIAGRAM
PostgreSQL primary schemaPortfolio data model
DATA FLOW
Write, cache, embed, retrieve
APPLICATIONSAPI · portfolio · AI lab
→POSTGRESQLtransactions + durable state
→REDIScache invalidation + streams
→QDRANT / CHROMAsemantic retrieval
P300
PostgreSQL System of Record
Schema contracts, constraints, indexes, partitions, row-level security, WAL, PITR, and read replicas for durable portfolio state.
SCHEMA CATALOG
Loading…Relational entities
| Table | Domain | Estimated rows | Partitioning | Security |
|---|
Transactional guarantees
- Foreign keys and check constraints
- Optimistic version columns
- Idempotency keys for external writes
- GIN indexes for JSONB search
- Partial indexes for hot operational rows
WAL + point-in-time restore
- Continuous WAL archiving
- Daily base backup
- Incremental backup where suitable
- Restore verification in isolated environment
- Retention linked to RPO/RTO
REPLICATION
Primary and read topology
P400
Redis Acceleration Layer
Cache-aside behavior, TTL discipline, streams, rate limiting, persistence, replicas, and ACL-backed access.
Capacity recommendation
Database reads avoided / sec—
—RDB + AOF policy
RDB snapshotsCompact point-in-time snapshots for backup and fast restart.
AOF journalAppend writes with controlled fsync for lower data-loss windows.
Hybrid recoveryUse both when operational recovery needs speed and durability.
KEYSPACE CONTRACT
Cache ownership and expiry
| Pattern | Purpose | TTL | Invalidation | Failure behavior |
|---|---|---|---|---|
portfolio:project:{id} | project detail cache | 10 min | write-through event | read PostgreSQL |
session:{token} | session state | 24 hr | logout / expiry | reauthenticate |
ratelimit:{ip} | request budget | 60 sec | automatic | fail closed |
stream:events | domain event stream | trim by length | consumer groups | replay pending |
P500
Vector Database & RAG
Qdrant for distributed production retrieval and Chroma as a flexible alternative for local, prototyping, and application-level vector workflows.
SEMANTIC SEARCH
Deterministic demo embedding · D1 documentsPortfolio knowledge retrieval
Distributed retrieval
- Collections and named vectors
- HNSW similarity index
- Payload filtering
- Shards and replicas
- Snapshots and recovery
Developer-friendly alternative
- Collections and metadata
- Persistent local or server client
- Embedding-function integration
- Simple add, query, update, delete API
- Fast prototyping path
| Decision | Qdrant | Chroma |
|---|---|---|
| Primary role | Production vector service | Local / application vector store |
| Scale model | Shards + replicas | Single-node or hosted deployment |
| Filtering | Rich payload filters | Metadata and document filters |
| Backup | Collection snapshots | Persistent volume backup |
| Recommended use | Portfolio-wide RAG platform | Experiments and embedded workflows |
P600
Backup, Replication, Scaling & Security
Recovery objectives become executable policies, not documentation-only promises.
BACKUP MATRIX
Loading…Recovery policy catalog
| System | Method | Schedule | Retention | RPO | RTO | Status |
|---|
Zero-trust controls
- TLS in transit and encrypted storage
- SCRAM / ACL / API-key authentication
- Least-privilege service identities
- NetworkPolicy and private subnets
- Secret rotation and audit trails
- Row-level security for tenant data
Workload placement
- PostgreSQL read replicas + partitioning
- Redis replicas / sentinel or cluster
- Qdrant shard and replica factors
- Chroma persistent-volume sizing
- Connection pooling and backpressure
- Capacity alarms before saturation
Recovery sequence
- Declare incident scope and stop unsafe writes.
- Restore PostgreSQL base backup and replay WAL to target time.
- Warm Redis from durable data or restore validated persistence files.
- Restore Qdrant collection snapshots and verify shard health.
- Restore Chroma persistent storage and validate collection counts.
- Run checksums, referential tests, semantic retrieval tests, then reopen traffic.
P700
Full Source Vault
The uploaded PostgreSQL, Redis, Qdrant, and Chroma source archives are preserved in a reassemblable compressed bundle while the active Cloudflare deployment remains under platform asset limits.
SOURCE INTEGRITY
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Each part includes an independent SHA-256 checksum.