Azure Archives -

Tag Archives: Azure

Time Travel in Databricks: A Complete, Simple & Practical Guide

Databricks Time Travel is a powerful feature of Delta Lake that allows you to access older versions of your data. Whether you want to debug issues, recover deleted records, compare historical performance, or audit how data changed over time—Time Travel makes it effortless. It’s like having a complete rewind button for your tables, eliminating the fear of accidental updates or deletes. What is Time Travel? Time Travel enables you to query previous snapshots of a Delta table using either VERSION AS OF or TIMESTAMP AS OF. Delta automatically versions every transaction-UPDATE, MERGE, DELETE, INSERT. So, you can always go back to an earlier state without restoring backups manually. This versioning is stored in the Delta Log, making rewind operations efficient and reliable. Why Time Travel Matters (Use Cases) Debugging Pipelines: Quickly check what the data looked like before a bad job ran. Accidental Deletes: Recover records or entire tables. Audit & Compliance: Easily demonstrate how data has evolved. Root Cause Analysis: Compare two versions side by side. Model Re-training: Use historical datasets to retrain ML models. Data Quality Tracking: Validate when incorrect data first appeared. How Delta Stores Versions (Architecture Overview) Delta Lake stores metadata and version history inside the _delta_log folder. Each commit creates a new JSON or checkpoint Parquet file representing table state. When you run a query using Time Travel, Databricks does not rebuild the entire table. Instead, it directly reads the snapshot based on the transaction log. This architecture makes Time Travel extremely fast and scalable—even on very large datasets. Time Travel Commands Query older data: SELECT * FROM table VERSION AS OF 5; SELECT * FROM table TIMESTAMP AS OF ‘2024-11-20T10:00:00’; A. Example: DESCRIBE HISTORY Below is an example of using DESCRIBE HISTORY on a Delta table. B. Querying a Specific Version Here is how you can fetch an older snapshot using VERSION AS OF. C. Restoring a Table You can restore a Delta table to any older version using RESTORE TABLE. Retention Rules Delta keeps older versions based on two configs: `delta.logRetentionDuration` → How long commit logs are stored. `delta.deletedFileRetentionDuration`→ How long old data files are retained. By default, Databricks keeps 30 days of history. You can increase this if your compliance policy requires longer retention. Best Practices – Use Time Travel for debugging pipeline issues. – Increase retention for sensitive or audited datasets. – Use `DESCRIBE HISTORY` frequently during development. – Avoid unnecessarily large retention windows—they increase storage costs. – Use `RESTORE` carefully in production environments. To conclude, time Travel in Databricks brings reliability, auditability, and simplicity to modern data engineering. It protects teams from accidental data loss and gives full visibility into how datasets evolve. With just a few commands, you can analyze, compare, or restore historical data instantly making it one of the most useful features of Delta Lake. We hope you found this blog useful, and if you would like to discuss anything, you can reach out to us at transform@cloudfronts.com

Real-Time Integration with Dynamics 365 Finance & Operations Using Azure Event Hub & Logic Apps (F&O as Source System)

Most organizations think of Dynamics 365 Finance & Operations (D365 F&O) only as a system that receives data from other applications. In reality, the most powerful and scalable architecture is when F&O itself becomes the source of truth and an event producer. Every financial transaction, inventory update, order confirmation, or invoice posting is a critical business event – and when these events are not shared with other systems in real time, businesses face: So, the real question is: What if every critical event in D365 F&O could instantly trigger actions in other systems? The answer lies in an event-driven architecture using Azure Event Hub and Azure Logic Apps, where F&O becomes the producer of events and the rest of the enterprise becomes real-time listeners. Core Content Event-Driven Model with F&O as Source In this model, whenever a business event occurs inside Dynamics 365 F&O, an event is immediately published to Azure Event Hub. That event is then picked up by Azure Logic Apps and forwarded to downstream systems such as: In simple terms: Event occurs in F&O → Event is pushed to Event Hub → Logic App processes → External system is updated This enables true real-time integration across your entire IT ecosystem. Why Use Azure Event Hub Between F&O and Other Systems? Azure Event Hub is designed for high-throughput, real-time event ingestion. This makes it the perfect choice for capturing business transactions from F&O. Azure Event Hub provides: This ensures that every change in F&O is captured and made available in real time to any subscribed system. Technical Architecture Here is the architecture with F&O as the source: Role of each layer: Component Responsibility D365 F&O Generates business events Event Hub Ingests & streams events Logic App Consumes + transforms events External Systems Act on the event This architecture is:✔ Decoupled✔ Scalable✔ Secure✔ Real-time✔ Fault tolerant How Does D365 F&O Send Events to Event Hub? Using Business Events F&O has built-in Business Events Framework which can be configured to trigger events such as: These business events can be configured to push data to an Azure Event Hub endpoint. This is the cleanest, lowest-code, and recommended approach. Logic App as Event Consumer (Real-Time Processing) Azure Logic App is connected to Event Hub via Event Hub Trigger: Once triggered, the Logic App performs: Example downstream actions: F&O Event Logic App Action Invoice Posted Push to Power BI + Send email Sales Order Create record in CRM Inventory Change Update eCommerce stock Vendor Created Sync with procurement system This allows one F&O event to trigger multiple automated actions across platforms in real time. Real-Time Example: Invoice Posted in F&O Step-by-step flow: All of this happens automatically, within seconds. This is true enterprise-wide automation. Key Technical Benefits Why this Architecture is important for Technical Leaders If you are a CTO, architect, or technical lead, this approach helps you: Instead of systems “asking” for data, they react to real-time business events. To conclude, by making Dynamics 365 Finance & Operations the event source and combining it with Azure Event Hub and Azure Logic Apps, organizations can create a fully automated, real-time, intelligence-driven ecosystem. Your first step: ➡ Identify a critical business event in F&O➡ Publish it to Azure Event Hub➡ Use Logic App to trigger automatic actions This single change can transform your integration strategy from reactive to proactive. We hope you found this blog useful, and if you would like to discuss anything, you can reach out to us at transform@cloudfronts.com

Designing Event-Driven Integrations Between Dynamics 365 and Azure Services

When integrating Dynamics 365 (D365) with other systems, most teams traditionally rely on scheduled or API-driven integrations. While effective for simple use cases, these approaches often introduce delays, unnecessary API calls, and scalability issues.That’s where event-driven architecture comes in. By designing integrations that react to business events in real-time, organizations can build faster, more scalable, and more reliable systems. In this blog, we’ll explore how to design event-driven integrations between D365 and Azure services, and walk through the key building blocks that make it possible. Core Content 1. What is Event-Driven Architecture (EDA)? Example in D365:Instead of running a scheduled job every hour to check for new accounts, an event is raised whenever a new account is created, and downstream systems are notified immediately. 2. How Events Work in Dynamics 365 Dynamics 365 doesn’t publish events directly, but it provides mechanisms to capture them: By connecting these with Azure services, we can push events to the cloud in near real-time. 3. Azure Services for Event-Driven D365 Integrations Once D365 emits an event, Azure provides services to process and route them: 4. Designing an Event-Driven Integration Pattern Here’s a recommended architecture: Example Flow:  5. Best Practices for Event-Driven D365 Integrations 6. Common Pitfalls to Avoid To conclude, moving from batch-driven to event-driven integrations with Dynamics 365 unlocks real-time responsiveness, scalability, and efficiency. With Azure services like Event Grid, Service Bus, Functions, and Logic Apps, you can design integrations that are robust, cost-efficient, and future proof. If you’re still relying on scheduled D365 integrations, start experimenting with event-driven patterns. Even small wins (like real-time customer syncs) can drastically improve system responsiveness and business agility. We hope you found this blog useful, and if you would like to discuss anything, you can reach out to us at transform@cloudFronts.com

Deploying AI Agents with Agent Bricks: A Modular Approach 

In today’s rapidly evolving AI landscape, organizations are seeking scalable, secure, and efficient ways to deploy intelligent agents. Agent Bricks offers a modular, low-code approach to building AI agents that are reusable, compliant, and production-ready. This blog post explores the evolution of AI leading to Agentic AI, the prerequisites for deploying Agent Bricks, a real-world HR use case, and a glimpse into the future with the ‘Ask Me Anything’ enterprise AI assistant.  Prerequisites to Deploy Agent Bricks  Use Case: HR Knowledge Assistant  HR departments often manage numerous SOPs scattered across documents and portals. Employees struggle to find accurate answers, leading to inefficiencies and inconsistent responses. Agent Bricks enables the deployment of a Knowledge Assistant that reads HR SOPs and answers employee queries like ‘How many casual leaves do I get?’ or ‘Can I carry forward sick leave?’.  Business Impact:  Agent Bricks in Action: Deployment Steps  Figure 1: Add data to the volumes  Figure 2: Select Agent bricks module     Figure 3: Click on Create Agent option to deploy your agent     Figure 4: Click on Update Agent option to update deploy your agent  Agent Bricks in Action: Demo   Figure 1: Response on Question based on data present in the dataset     Figure 2: Response on Question asked based out of the present in the dataset  To conclude, Agent Bricks empowers organizations to build intelligent, modular AI agents that are secure, scalable, and impactful. Whether you’re starting with a small HR assistant or scaling to enterprise-wide AI agents, the time to act is now. AI is no longer just a tool it’s your next teammate. Start building your AI workforce today with Agent Bricks.  We hope you found this blog useful, and if you would like to discuss anything, you can reach out to us at transform@cloudFronts.com Start Your AI Journey Today !!

Build Low-Latency, VNET-Secure Serverless APIs with Azure Functions Flex Consumption

Are you struggling to build secure, low-latency APIs on Azure without spinning up expensive always-on infrastructure? Traditional serverless models like the Azure Functions Consumption Plan are great for scaling, but they fall short when it comes to VNET integration and consistent low latency. Enterprises often need to connect serverless APIs to internal databases or secure networks — and until recently, that meant upgrading to Premium Plans or sacrificing the cost benefits of serverless. That’s where the Azure Functions Flex Consumption Plan changes the game. It brings together the elasticity of serverless, the security of VNETs, and latency performance that matches dedicated infrastructure — all while keeping your costs optimized. What is Azure Functions Flex Consumption? Azure Functions Flex Consumption is the newest hosting plan designed to power enterprise-grade serverless applications. It offers more control and flexibility without giving up the pay-per-use efficiency of the traditional Consumption Plan. Key capabilities include: Why This Matters APIs are the backbone of every digital product. In industries like finance, retail, and healthcare, response times and data security are mission critical. Flex Consumption ensures your serverless APIs are always ready, fast, and safely contained within your private network — ideal for internal or hybrid architectures. VNET Integration: Security Without Complexity Security has always been the biggest limitation of traditional serverless plans. With Flex Consumption, Azure Functions can now run inside your Virtual Network (VNET). This allows your Functions to: In short: You can now build fully private, VNET-secure APIs without maintaining dedicated infrastructure. Building a VNET-Secure Serverless API: Step-by-Step Step 1: Create a Function App in Flex Consumption Plan Step 2: Configure VNET Integration Step 3: Deploy Your API CodeUse Azure DevOps, GitHub Actions, or VS Code to deploy your function app just like any other Azure Function. Step 4: Secure Your API How It Compares to Other Hosting Plans Feature Consumption Premium Flex Consumption Auto Scale to Zero ✅ ❌ ✅ VNET Integration ❌ ✅ ✅ Cold Start Optimized ⚠️ ✅ ✅ Cost Efficiency ⭐⭐⭐⭐ ⭐⭐ ⭐⭐⭐⭐ Enterprise Security ❌ ✅ ✅ Flex Consumption truly combines the best of both worlds – the agility of serverless and the power of enterprise networking. Real-World Use Case Example A large retail enterprise needed to modernize its internal inventory API system.They were running on Premium Functions Plan for VNET access but were overpaying due to idle resource costs. After migrating to Flex Consumption, they achieved: This allowed them to maintain compliance, improve responsiveness, and simplify their architecture — all with minimal migration effort. To conclude, in today’s API-driven world, you shouldn’t have to choose between speed, cost, and security. With Azure Functions Flex Consumption, you can finally deploy VNET-secure, low-latency serverless APIs that scale seamlessly and stay protected inside your private network. Next Step:Start by migrating one of your internal APIs to the Flex Consumption Plan. Test the latency, monitor costs, and see the difference in performance. We hope you found this blog useful, and if you would like to discuss anything, you can reach out to us at transform@cloudFronts.com

Advantages and Future Scope of the Unified Databricks Architecture – Part 2

Following our unified data architecture implementation using Databricks Unity Catalog, the next step focuses on understanding the advantages and future potential of this Lakehouse-driven ecosystem. The architecture consolidates data from multiple business systems and transforms it into an AI-powered data foundation that will support advanced analytics, automation, and conversational insights. Key Advantages Centralized Governance:Unity Catalog provides complete visibility into data lineage, security, and schema control — eliminating silos. Dynamic and Scalable Data Loading:A single Databricks notebook can dynamically load and transform data from multiple systems, simplifying maintenance. Enhanced Collaboration:Teams across domains can access shared data securely while maintaining compliance and data accuracy. Improved BI and Reporting:More than 30 Power BI reports are being migrated to the Gold layer for unified reporting. AI & Automation Ready:The architecture supports seamless integration with GenAI tools like Genie for natural language Q&A and predictive insights. Future Aspects In the next phase, we aim to:– Integrate Genie for conversational analytics.– Enable real-time insights through streaming pipelines.– Extend the Lakehouse to additional business sources.– Automate AI-based report generation and anomaly detection. For example, business users will soon be able to ask questions like:“How many hours did a specific resource submit in CRM time entries last week?”Databricks will process this query dynamically, returning instant, AI-driven insights. To conclude, the unified Databricks architecture is more than a data pipeline — it’s the foundation for AI-powered decision-making. By merging governance, automation, and intelligence, CloudFronts is building the next generation of data-first, AI-ready enterprise solutions.

Unified Data Architecture with Databricks Unity Catalog – Part 1

At CloudFronts Technologies, we are implementing a Unified Data Architecture powered by Databricks Unity Catalog to bring together data from multiple business systems into one governed, AI-ready platform. This solution integrates five major systems — Zoho People, Zoho Books, Business Central, Dynamics 365 CRM, and QuickBooks — using Azure Logic Apps, Blob Storage, and Databricks to build a centralized Lakehouse foundation. Objective To design a multi-source data architecture that supports:– Centralized data storage via Unity Catalog.– Automated ingestion through Azure Logic Apps.– Dynamic data loading and transformation in Databricks.– Future-ready integration for AI and BI analytics. Architecture Overview Data Flow Summary:1. Azure Logic Apps extract data from each of the five sources via APIs.2. Data is stored in Azure Blob Storage containers.3. Blob containers are mounted to Databricks for unified access.4. A dynamic Databricks notebook reads and processes data from all sources. Each data source operates independently while following a governed and modular design, making the solution scalable and easily maintainable. Role of Unity Catalog Unity Catalog enables lineage, and secure access across teams. Each layer — Bronze (raw), Silver (refined), and Gold (business-ready) — is managed under Unity Catalog, ensuring clear visibility into data flow and ownership. This ensures that as data grows, governance and performance remain consistent across all environments. Implementation Preview:In the upcoming blog, I will demonstrate the end-to-end implementation of one Power BI report using this unified Databricks architecture. This will include connecting the gold layer dataset from Databricks to Power BI, building dynamic visuals, and showcasing how the unified data foundation simplifies report creation and maintenance across multiple systems. To conclude, this architecture lays the foundation for a unified, governed, and scalable data ecosystem. By combining Azure Logic Apps, Blob Storage, and Databricks Unity Catalog, we are enabling a single source of truth that supports analytics, automation, and future AI innovations.

Connecting Databricks to Power BI: A Step-by-Step Guide for Secure and Fast Reporting

Azure Databricks has become the go-to platform for data engineering and analytics, while Power BI remains the most powerful visualization tool in the Microsoft ecosystem. Connecting Databricks to Power BI bridges the gap between your data lakehouse and business users, enabling real-time insights from curated Delta tables. In this blog, we’ll walk through the process of securely connecting Power BI to Databricks, covering both DirectQuery and Import mode, and sharing best practices for performance and governance. Architecture Overview The connection involves:– Azure Databricks → Your compute and transformation layer.– Delta Tables → Your curated and query-optimized data.– Power BI Desktop / Service → Visualization and sharing platform. Flow:1. Databricks processes and stores curated data in Delta format.2. Power BI connects directly to Databricks using the built-in connector.3. Users consume dashboards that are either refreshed on schedule (Import) or query live (DirectQuery). Step 1: Get Connection Details from Databricks In your Azure Databricks workspace:1. Go to the Compute tab and open your cluster (or SQL Warehouse if using Databricks SQL).2. Click on ‘Advanced → JDBC/ODBC’ tab.3. Copy the Server Hostname and HTTP Path — you’ll need these for Power BI. For example:– Server Hostname: adb-1234567890123456.7.azuredatabricks.net– HTTP Path: /sql/1.0/endpoints/1234abcd5678efgh Step 2: Configure Databricks Personal Access Token (PAT) Power BI uses this token to authenticate securely.1. In Databricks, click your profile icon → User Settings → Developer → Access Tokens.2. Click Generate New Token, provide a name and expiration, and copy the token immediately. (You won’t be able to view it again.) Step 3: Connect from Power BI Desktop 1. Open Power BI Desktop.2. Go to Get Data → Azure → Azure Databricks.3. In the connection dialog:   – Server Hostname: paste from Step 1   – HTTP Path: paste from Step 14. Click OK, and when prompted for credentials:   – Select Azure Databricks Personal Access Token   – Enter your token in the Password field. You’ll now see the list of Databricks tables and databases available for import. To conclude, you’ve successfully connected Power BI to Azure Databricks, unlocking analytical capabilities over your Lakehouse. This setup provides flexibility to work in Import mode for speed or Direct Query mode for live data — all while maintaining enterprise security through Azure AD or Personal Access Tokens. We hope you found this blog useful, and if you would like to discuss anything, you can reach out to us at transform@cloudfronts.com

How Delta Lake Keeps Your Data Clean, Consistent, and Future-Ready

Delta Lake is a storage layer that brings reliability, consistency, and flexibility to big data lakes. It enables advanced features such as Time Travel, Schema Evolution, and ACID Transactions, which are crucial for modern data pipelines. Feature Benefit Time Travel Access historical data for auditing, recovery, or analysis. Schema Evolution Adapt automatically to changes in the data schema. ACID Transactions Guarantee reliable and consistent data with atomic upserts. 1. Time Travel Time Travel allows you to access historical versions of your data, making it possible to “go back in time” and query past snapshots of your dataset. Use Cases:– Recover accidentally deleted or updated data.– Audit and track changes over time.– Compare dataset versions for analytics. How it works:Delta Lake maintains a transaction log that records every change made to the table. You can query a previous version using either a timestamp or a version number. Example: 2. Schema Evolution Schema Evolution allows your Delta table to adapt automatically to changes in the data schema without breaking your pipelines. Use Cases:– Adding new columns to your dataset.– Adjusting to evolving business requirements.– Simplifying ETL pipelines when source data changes. How it works:When enabled, Delta automatically updates the table schema if the incoming data contains new columns. Example: 3. ACID Transactions (with Atomic Upsert) ACID Transactions (Atomicity, Consistency, Isolation, Durability) ensure that all data operations are reliable and consistent, even in the presence of concurrent reads and writes. Atomic Upsert guarantees that an update or insert operation happens fully or not at all. Key Benefits:– No partial updates — either all changes succeed or none.– Safe concurrent updates from multiple users or jobs.– Consistent data for reporting and analytics.– Atomic Upsert ensures data integrity during merges. Atomic Upsert Example (MERGE): Here:– whenMatchedUpdateAll() updates existing rows.– whenNotMatchedInsertAll() inserts new rows.– The operation is atomic — either all updates and inserts succeed together or none. To conclude, Delta Lake makes data pipelines modern, maintainable, and error-proof. By leveraging Time Travel, Schema Evolution, and ACID Transactions, you can build robust analytics and ETL workflows with confidence, ensuring reliability, consistency, and adaptability in your data lake operations. We hope you found this blog useful, and if you would like to discuss anything, you can reach out to us at transform@cloudfronts.com

Handling Errors and Retries in Dynamics 365 Logic App Integrations

Integrating Dynamics 365 (D365) with external systems using Azure Logic Apps is one of the most common patterns for automation. But in real-world projects, things rarely go smoothly – API throttling, network timeouts, and unexpected data issues are everyday challenges. Without proper error handling and retry strategies, these issues can result in data mismatches, missed transactions, or broken integrations. In this blog, we’ll explore how to handle errors and implement retries in D365 Logic App integrations, ensuring your workflows are reliable, resilient, and production-ready. Core Content 1. Why Error Handling Matters in D365 Integrations Without handling these, your Logic App either fails silently or stops execution entirely, causing broken processes.  2. Built-in Retry Policies in Logic Apps What They Are:Every Logic App action comes with a retry policy that can be configured to automatically retry failed requests. Best Practice: 3. Handling Errors with Scopes and “Run After” Scopes in Logic Apps let you group actions and then define what happens if they succeed or fail. Steps: Example: 4. Designing Retry + Error Flow Together Recommended Pattern: This ensures no transaction is silently lost. 5. Handling Dead-lettering with Service Bus (Advanced) For high-volume integrations, you may need a dead-letter queue (DLQ) approach: This pattern prevents data loss while keeping integrations lightweight. 6. Monitoring & Observability Error handling isn’t complete without monitoring. Building resilient integrations between D365 and Logic Apps isn’t just about connecting APIs—it’s about ensuring reliability even when things go wrong. By configuring retry policies, using scopes for error handling, and adopting dead-lettering for advanced cases, you’ll drastically reduce downtime and data mismatches. Next time you design a D365 Logic App, don’t just think about the happy path. Build error handling and retry strategies from the start, and you’ll thank yourself later when your integration survives the unexpected. We hope you found this blog useful, and if you would like to discuss anything, you can reach out to us at transform@cloudfronts.com

SEARCH :

FOLLOW CLOUDFRONTS BLOG :

FOLLOW CLOUDFRONTS BLOG :


Secured By miniOrange