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Data Lakehouse & Real-Time Analytics

A decision brief on lakehouse architecture, batch and streaming data, open tables, governance, security, serving, ownership, risks and delivery stages.

MENTARA principlePriority → accountable ownership → delivery → continuity
Decision context

A decision brief on lakehouse architecture, batch and streaming data, open tables, governance, security, serving, ownership, risks and delivery stages.

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01

Overview

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A lakehouse can consolidate analytical data and support multiple processing engines, but architecture value depends on governed products, workload design and accountable data ownership.

Decide which business decisions require a shared analytical platform, which data products serve them and which latency classes are justified. “Real time” should describe an operational need and response window, not a default technology choice.

A lakehouse combines scalable object storage with table-management and transactional capabilities used by analytical engines. It can reduce duplicate data movement, but it does not resolve meaning, ownership, quality or access by itself.

Name the first data products, consumers, service expectations and accountable owners before selecting storage, compute or streaming technologies.

Organizations often maintain separate ingestion, warehouse, data-science and streaming estates with duplicated pipelines and inconsistent controls. Teams spend time moving and reconciling information while consumers dispute definitions and freshness.

A platform decision should distinguish regulatory reporting, exploratory analytics, operational dashboards, machine-learning features and event-driven action. Each workload has different correctness, latency, concurrency, retention and cost needs.

Separate storage from elastic compute where workload needs support it. Use versioned schemas and table contracts. Design replay and reconciliation before streaming workloads go live. Protect downstream consumers from source and transformation changes through contract tests.

Data accessProtectionGovernanceOperationsFrame workloads and productsDesign the foundationDeliver one product end to endProve batch and streaming operationsScale reusable capabilities
  • Identity-based authorization
  • Purpose and role context
  • Row, column or object controls
  • Access review and evidence
  • Encryption and key ownership
  • Tokenization or masking
  • Network and workload isolation
  • Secure export paths
  • Data-product owner
  • Definitions and lineage
  • Quality and service expectations
  • Retention and deletion
  • Pipeline and freshness monitoring
  • Cost by product and workload
  • Incident and correction route
  • Version and deprecation control
  • Priority decisions and committed consumers are named.
  • Data products and owners are defined before platform scope.
  • Latency classes reflect business consequence.
  • Source, schema and consumer contracts are versioned.
02

The executive decision

Decide which business decisions require a shared analytical platform, which data products serve them and which latency classes are justified. “Real time” should describe an operational need and response window, not a default technology choice.

A lakehouse combines scalable object storage with table-management and transactional capabilities used by analytical engines. It can reduce duplicate data movement, but it does not resolve meaning, ownership, quality or access by itself.

Name the first data products, consumers, service expectations and accountable owners before selecting storage, compute or streaming technologies.

03

Business problem and operating context

Organizations often maintain separate ingestion, warehouse, data-science and streaming estates with duplicated pipelines and inconsistent controls. Teams spend time moving and reconciling information while consumers dispute definitions and freshness.

A platform decision should distinguish regulatory reporting, exploratory analytics, operational dashboards, machine-learning features and event-driven action. Each workload has different correctness, latency, concurrency, retention and cost needs.

04

Architecture and delivery approach

Separate storage from elastic compute where workload needs support it. Use versioned schemas and table contracts. Design replay and reconciliation before streaming workloads go live. Protect downstream consumers from source and transformation changes through contract tests.

MENTARA uses the Apache Iceberg documentation as an implementation reference for open table-format decisions and Data Mesh Principles and Logical Architecture to frame domain ownership, data products, self-service and federated governance.

05

Choose latency by business consequence

Use the least complex latency class that supports the decision. Mixing every workload into one runtime increases operational coupling and cost.

06

Security and governance

Data accessProtectionGovernanceOperations
  • Identity-based authorization
  • Purpose and role context
  • Row, column or object controls
  • Access review and evidence
  • Encryption and key ownership
  • Tokenization or masking
  • Network and workload isolation
  • Secure export paths
  • Data-product owner
  • Definitions and lineage
  • Quality and service expectations
  • Retention and deletion
  • Pipeline and freshness monitoring
  • Cost by product and workload
  • Incident and correction route
  • Version and deprecation control
07

Delivery stages

Identify consumers, decisions, latency, data products, owners and current platform constraints.

Select ingestion, storage, table, processing, catalog, security and service patterns.

Implement source contracts, transformations, quality, access, serving and operating evidence.

Exercise replay, reconciliation, recovery, workload isolation, cost and change control.

Expand products and workloads through governed paths while tracking adoption and platform service.

Frame workloads and productsDesign the foundationDeliver one product end to endProve batch and streaming operationsScale reusable capabilities
08

Decision checklist

  • Priority decisions and committed consumers are named.
  • Data products and owners are defined before platform scope.
  • Latency classes reflect business consequence.
  • Source, schema and consumer contracts are versioned.
  • Replay, reconciliation and recovery are designed.
  • Access, purpose, retention and lineage are governed.
  • Workloads have isolation, service and cost controls.
  • Platform and data-product operations have funded owners.
09

Shape a governed analytical platform around priority decisions.

A named MENTARA lead can help frame workload, data-product, security, platform and operating-model decisions before technology selection.

Next step

Continue with the decision in front of you.

Share the business context, constraints and expected outcome. MENTARA will identify the relevant accountable route.

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