--- title: Hadoop - Delta Lake Migration Challenges and its Architecture description: Hadoop - Delta Lake migration has been a hot topic nowadays in IT Industry. Why? Is Hadoop no longer in use? Know the details here with us. image: https://www.xenonstack.com/hubfs/xenonstack-hadoop-delta-lake-migration.png --- - [![xenonstack-logo](https://www.xenonstack.com/hubfs/xenonstack-logo-new-relase.svg)](https://www.xenonstack.com/) - - Foundry Foundry Unified reasoning foundation enabling seamless orchestration, analytics, infrastructure, and trust across intelligent ecosystems [![pointers-icon](https://www.xenonstack.com/hubfs/xs-revamp-header-dropdown/our-purpose-line-icon.svg) Akira AI - Reasoning and Agent Orchestration Turn models into collaborative, policy-governed agents that learn and act together](https://www.xenonstack.com/agentic-platforms/akira-ai/) [![pointers-icon](https://www.xenonstack.com/hubfs/xs-revamp-header-dropdown/autonomous-operations-icon.svg) ElixirData - Agentic Analytics Intelligence Explainable, decision-centric analytics for measurable business outcomes](https://www.xenonstack.com/agentic-platforms/elixirdata/) [![pointers-icon](https://www.xenonstack.com/hubfs/xs-revamp-header-dropdown/digital-immune-system-icon.svg) NexaStack - 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Book Strategy Call ![slider-cross-icon](https://www.xenonstack.com/hubfs/slider-cross-icon.svg) ## Interested in Solving your Challenges with XenonStack Team ## Get Started Get Started with your requirements and primary focus, that will help us to make your solution First Name \* Please enter a valid First Name Last Name \* Please enter a valid Last Name Business Email ID \* Please enter a valid Business Email ID Contact Number \* Please enter a valid Contact Number Company \* Please enter a valid Company Name Industry Belongs To \* Please Select your Industry Banking Fintech Payment Providers Wealth Management Discrete Manufacturing Semiconductor Machinery Manufacturing / Automation Appliances / Electrical / Electronics Elevator Manufacturing Defense & Space Manufacturing Computers & Electronics / Industrial Machinery Motor Vehicle Manufacturing Food and Beverages Distillery & Wines Beverages Shipping Logistics Mobility (EV / Public Transport) Energy & Utilities Hospitality Digital Gaming Platforms SportsTech with AI Public Safety - Explosives Public Safety - Firefighting Public Safety - Surveillance Public Safety - Others Media Platforms City Operations Airlines & Aviation Defense Warfare & Drones Robotics Engineering Drones Manufacturing AI Labs for Colleges AI MSP / Quantum / AGI Institutes Retail Apparel and Fashion Please select all the required fields before proceeding Proceed Next ## Interested in Solving your Challenges with XenonStack ## Personalization Get Started with your requirements and primary focus, that will help us to make your solution ### What is your Key focus areas? \* AI Workflow and Operations Data Management and Operations AI Governance Analytics and Insights Observability Security Operations Risk and Compliance Procurement and Supply Chain Private Cloud AI Vision AI ### In Which Agentic Platform and Accelerator you are Interested? \* Akira AI - Agentic AI Platform Multi Agent System Metasecure - Autonomous SOC Nexastack – Build and Managed Compound AI Stack Data Foundry XAI – Vision and AI Platform – Visual AI Agents Strategy Consulting AI Managed Services Others (Please Specify) ### Which segment does your company belong to? \* Startup Scale Startup SME Mid Enterprises Large Enterprises Federal Government Non Profits Others (Please Specify) ### At what stage is your AI use case currently in? \* Conceptualized: Use case defined, PoC pending POC Completed In Production with challenges Not yet defined Others (Please Specify) ### What are the primary challenges in adopting AI? \* Data Quality Issues Data Privacy and Compliance Aligning AI with business goals Unclear ROI from POCs Integration with existing ERP systems Scalability Challenges Moving POCs in Production Infrastructure Limitation High Implementation costs Others (Please Specify) ### What kind of infrastructure does your organization currently using? \* AWS Microsoft Azure GCP IBM Cloud Oracle Cloud On Premises Others (Please Specify) ### Are you using any Data platform? \* Databricks SnowFlake Amazon Redshift Azure Synapse Analytics Microsoft Fabric Teradata Oracle Database SAP Hana Informatica Google Cloud BigQuery Others (Please Specify) ### Preferred Approach for AI Transformation \* Assisted Intelligence Agents as Co-Pilot Collaborative Intelligence Agents as AI Teammates Autonomous Intelligence Agents – AI Agents Agentic Actions Agentic Process Automation ### In Which Domain your Solution/Organization belongs to in-terms of Data Privacy, Trustworthy AI \* Internal Organization Highly Regulated Industry (Healthcare, Financials etc) Medium Regulated Non Regulated ### Captcha Verification \* captcha text ![Refresh Icon](https://www.xenonstack.com/hs-fs/hubfs/refresh.png?width=20&height=20&name=refresh.png) Please select all the required fields Review Previous Submit ![green-checkmark](https://www.xenonstack.com/hubfs/green-checkmark.svg) ## your request has been submitted successfully ! Our XenonStack Team will shortly reach out to you. We are looking forward to showcase how XenonStack can transform your business. ![usecase-banner (1)](https://www.xenonstack.com/hs-fs/hubfs/usecase-banner%20(1).webp?width=1921&height=622&name=usecase-banner%20(1).webp) [Enterprise Data Management](https://www.xenonstack.com/insights/tag/enterprise-data-management) # Hadoop - Delta Lake Migration Challenges and its Architecture [Chandan Gaur](https://www.xenonstack.com/insights/author/chandan-gaur) | 10 November 2022 ![](https://www.xenonstack.com/hs-fs/hubfs/xenonstack-hadoop-delta-lake-migration.png?width=1280&height=720&name=xenonstack-hadoop-delta-lake-migration.png) ## Introducing Hadoop - Delta Lake Migration It is one of the fastest-growing advancements that have revolutionized IT services. It is because of their reliability and easiness to use that they are widely spread across the market. What caused this migration from it to Delta Lake? What [Apache Hadoop](https://www.xenonstack.com/insights/apache-hadoop/) offered? Why is it superior to it? Let's find out. --- ## What is Hadoop? It is an open-source software platform managed by Apache Software Foundation. It is used to manage and store large data sets at a low cost and with great efficiency. > Managed by the Apache Software Foundation, is at its heart a framework and file system that manages distributed computing. Source: [Forbes, an American business magazine](https://www.forbes.com/sites/oracle/2018/12/03/hadoop-pioneer-says-developers-should-build-open-source-into-their-career-plans/?sh=1345e36579bc) It has two main parts - a framework used to process the data and a distributed file system used to store it. It uses [Apache Hive](https://www.xenonstack.com/insights/apache-hive/) to convert queries given by users into map-reduce jobs. As map-reduce is complex and works as batch processing (one-job-at-a-time), Hadoop tends to be used more as a data warehousing than a data analysis tool. It also uses [HDFS](https://www.xenonstack.com/blog/data-serialization-hadoop) to maintain and manage all the records - file system management across the cluster. --- ## Why it is important? It hit its peak popularity as a search term in summer 2015. Reasons are many. ### Flexible It manages different Big Data types, whether structured or unstructured or any other kind of data. It is quite simple, relevant, and schema-less. It supports any language and works on almost any kind of operating system provided. ### Scalable It is a scalable platform. Users can easily add nodes without even altering the data format or anything related to the existing applications. It is fault-tolerant, so even if a node stops working for some reason, it automatically reallocates work to another data location and keeps the work in progress. ### Data Economy It is like a dam, as it harnesses the flow of an unlimited amount of data and generates much power in the form of required/necessary information. ### Robust EcoSystem It has quite a rich ecosystem. Its ecosystem consists of various related projects such as MapReduce, [Apache Hbase](https://www.xenonstack.com/insights/apache-hbase/), [Apache Zookeeper](https://www.xenonstack.com/insights/apache-zookeeper/), HCatalog, Hive, Apache Pig, and many more. This allows Hadoop to deliver a vast spectrum of services. ### Cost-Effective It helps save cost by computing parallelly, resulting in a substantial reduction in storage cost per terabyte. --- ## What are the challenges with its architecture? Migration from Hadoop takes place because of a variety of reasons. Following are the common reasons why migration’s necessity comes up: ### Poor Data Reliability and Scalability Data scalability issues with it clusters are common. Users were facing difficulty scale up for research purposes and scale down to reduce costs, which affected the team's productivity. ### Cost of Time and Resource Excessive operational burdens due to Hadoop got common. It required time and headcount required to maintain, patch, and upgrade a complicated Hadoop system. Time spent in configuring the system went high for many users. ### Blocked Projects Data being stuck in different silos, some in it and others in HPC clusters, hindered important deep learning projects. ### Unsupportive Service Core Hadoop services like YARN and HDFS were not designed for [cloud-native](https://www.xenonstack.com/insights/cloud-native/) environments. ### Run Time Quality Issues Performance and Reliability at scale were missing in [data lakes](https://www.xenonstack.com/insights/azure-data-lake/) built on the Hadoop stack. --- ## What is Delta Lake? It is an open-source storage layer that helps bring reliability to the data lakes. It provides ACID transactions, unifies streaming and batch data processing, and scalable metadata handling. It runs on top of the existing data lake and is fully compatible with Apache Spark's APIs. Get to know about [Apache Spark Architecture](https://www.xenonstack.com/blog/apache-spark-architecture/) here. --- ## What Delta Lake has to offer? Experience suggests that it makes data consistent by providing ACID transactions on Spark. This ensures that readers see only consistent. It also supports update, merge, and delete operations to enable complex use cases. It is compatible with Apache Spark APIs. Developers can easily integrate it into their existing spark pipelines with minimum changes. It can handle scalable metadata. This gives spark distributed processing power leverage to handle all the metadata for a huge data range to many petabytes with billions of files at ease. The table in it acts as a source and sink for both batch and stream processing. Delta lake automatically handles any schema variations to prevent any bad record from inserting during ingestion. Users can easily rollback, see full historical audit trails, and reproduce machine learning experiments with data versioning. It can easily be integrated with other big data engines like Apache Presto and Apache Hive. Know about [Geospatial Analytics using Presto and Hive](https://www.xenonstack.com/blog/geospatial-analytics-using-presto-and-hive/) here. --- ## Why to choose Delta Lake? It is an open-source that brings new capabilities of transactions, version control, indexing, and many more to your data lakes. Delta lake provides snapshot isolation that helps to use read/write operations concurrently. This results in efficient insert, update, deletes, and rollback capabilities. It helps engineers to build efficient pipelines for their data. It helps upcoming the challenges faced by data lakes like unsafe writes, orphan data, no schematic by bringing various features like ACID transactions. Being reliable, efficient, easy to use, it is a layer that ensures data quality. --- ## Phases of Migration from Hadoop to Delta Lake ![Migrating to Delta Lake from Hadoop](https://www.xenonstack.com/hubfs/xenonstack-migrating-to-delta-lake.png) Migration from it has been a common theme. What led to it? What after the migration? Go ahead for the answers. ### Frowning Hadoop users Its users usually get frowned upon by the traditional problems of data gravity. Is there an application that assumes local, ready, and fast access to an on-premises data lake built on HDFS? Building an application away from that data becomes a bit challenging as it requires building additional workflows to copy or access data from on-premises data lake manually. ### Hadoop migration with Databricks and WANdisco To overcome the challenges, Databricks and WANdisco got together to provide the solution, named LiveAnalytics. It takes the help of WANdisco's platform to migrate and replicate the largest datasets to Databricks and Delta Lake. One can use WANdisco’s technology to bring their respective data lake to Databricks. It will provide native support for Databricks. ### Hadoop to Cloud Migration Principles Listed below are certain principles for its implementation. 1. Managing Complexity and Scale: Metadata movement, Workload Migration, [Data Center Migration](https://www.xenonstack.com/insights/data-center-migration/) 2. Manage Quality and Risk: Methodology, Project Plans, Timelines, Technology Mappings 3. Manage Cost and Time: Partners and Professional Services bringing experience and training --- ## Pondering Hadoop - Delta Lake Migration The following points have proven to be valid while thinking of it: 1. One can only use it as a part of Databricks Ecosystem. 2. It does not support transactions that involve multi-table and does not support foreign keys either. 3. It is only available with [AWS Serverless Computing](https://www.xenonstack.com/blog/complete-guide-to-aws-serverless-computing/) and [Azure Serverless Computing](https://www.xenonstack.com/blog/microsoft-azure-serverless-computing-architecture-advantages-tools/), but not with [GCP Serverless Computing](https://www.xenonstack.com/blog/gcp-serverless-computing/). 4. Atomicity is attained using transaction logs, which are only available through Databricks. --- ## Conclusion It is used to store enormous data sets. It does so by storing the data across distributed clusters of servers and then running “distributed” analysis applications in each cluster. It is designed to be robust, i.e., it will run even if one of the clusters fails. It architecture challenges led us to migrate to it, a new version of Hadoop clubbed with Delta Lake. Although it helped in saving the data lake from getting polluted, it too had its limitations. It now totally depends on the business leaders to choose a proper OSS for their services to run smoothly. 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Evidence collection becomes automatic and audit-ready - ![Controls Icon](https://www.xenonstack.com/hubfs/controls.svg)Continuous control checks across infrastructure and SaaS - ![Audit Icon](https://www.xenonstack.com/hubfs/audit.svg)Automated evidence collection for audits - ![Risk Icon](https://www.xenonstack.com/hubfs/risk.svg)Risk scoring and prioritized remediation recommendations [Explore Agent GRC](https://agentgrc.ai/) ![monitoring-risk-and-compliance](https://www.xenonstack.com/hubfs/enhanced-security-measures.svg) ✕ ## Agentic Finance and Procurement Intelligent Agents Financial and procurement workflows become proactive and insight-driven. Agents monitor spend, vendors, and contracts in real time. Approvals and sourcing decisions become faster and smarter - ![Visibility Icon](https://www.xenonstack.com/hubfs/visibility.svg)Real-time visibility into spend and commitments - ![Anomaly Icon](https://www.xenonstack.com/hubfs/anomaly.svg)Anomaly detection on invoices and vendor performance - ![Workflow Icon](https://www.xenonstack.com/hubfs/workflow.svg)Intelligent workflows for approvals and sourcing decisions [Optimize Finance & Procurement](https://www.xenonify.ai/) ![agentic-finance-and-procurement](https://www.xenonstack.com/hubfs/responsible-ai-aviators-banner-illustration.svg) ```json { "@context" : "https://schema.org", "@type" : "BlogPosting", "author" : { "@type" : "Person", "name" : "Chandan Gaur", "url" : "https://www.xenonstack.com/insights/author/chandan-gaur" }, "dateModified" : "2022-11-10T18:42:11.997Z", "datePublished" : "2022-11-10T05:00:00.000Z", "headline" : "Hadoop - Delta Lake Migration Challenges and its Architecture", "image" : [ "https://www.xenonstack.com/hubfs/xenonstack-hadoop-delta-lake-migration.png" ], "mainEntityOfPage" : { "@id" : "https://www.xenonstack.com/insights/hadoop-delta-lake-migration", "@type" : "WebPage" }, "publisher" : { "@type" : "Organization", "logo" : { "@type" : "ImageObject", "url" : "https://www.xenonstack.com/hubfs/Xenonstack-Serives%20-3-2-2021-10.png" }, "name" : "Xenonstack Inc" } } ``` ```json { "@context" : "http://schema.org", "@type" : "Organization", "address" : { "@type" : "PostalAddress", "addressCountry" : "USA", "addressLocality" : "Plano", "addressRegion" : "Texas", "postalCode" : "75024", "streetAddress" : "7700 Windrose Ave. " }, "description" : "XenonStack is the #1 Data and AI foundry and technology services company to simplify and scale Enterprise and Generative AI Journeys.", "email" : "business@xenonstack.com", "logo" : "https://f.hubspotusercontent30.net/hubfs/8161231/Xenonstack-Serives%20-3-2-2021-10.png", "mainEntityOfPage" : { "@id" : "https://www.xenonstack.com/insights/hadoop-delta-lake-migration", "@type" : "WebPage", "description" : "Hadoop - Delta Lake migration has been a hot topic nowadays in IT Industry. 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