{"id":25418,"date":"2025-03-12T10:07:49","date_gmt":"2025-03-12T17:07:49","guid":{"rendered":"https:\/\/www.pingcap.com\/?post_type=case-study&#038;p=25418"},"modified":"2025-03-12T21:20:04","modified_gmt":"2025-03-13T04:20:04","slug":"malaysian-bank-transforming-300k-to-2-8m-customers-with-tidb","status":"publish","type":"case-study","link":"https:\/\/www.pingcap.com\/ko\/case-study\/malaysian-bank-transforming-300k-to-2-8m-customers-with-tidb\/","title":{"rendered":"Transforming a Leading Malaysian Bank: From 300K Digital Pilot to 2.8M Customers and Reduced Costs with TiDB"},"content":{"rendered":"<p class=\"wp-block-paragraph\">This Leading Malaysian Bank is a major financial institution offering full banking services to both retail and corporate customers. It employs about 7,000 people, operates 126 branches, and serves roughly 2.8 million customers, establishing itself as a long-standing regional leader.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Challenge_Tackling_Aging_Infrastructure_Integration_Complexity_and_Escalating_Support_Costs\"><\/span><strong>The Challenge: Tackling Aging Infrastructure, Integration Complexity, and Escalating Support Costs<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The Leading Malaysian Bank has achieved a key milestone in its Digital Twin Core strategy by deploying a digital native core banking system\u2014referred to as \u201cM\u201d by S company and powered by TiDB\u2014running in parallel with its legacy SS Core Banking System (built in RPG on DB2). With escalating technical debt and a diminishing pool of RPG\/DB2 expertise, the bank\u2019s vision is to gradually migrate away from its legacy system over the next 5\u20137 years.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As a first step, the Leading Malaysian Bank launched an unsecured lending product that allows new customers to apply and receive digital approval, bypassing branch visits. This pilot not only meets immediate business goals but also lays the foundation for iterative digital product innovations and a smooth, risk-mitigated transition from legacy to digital core.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/static.pingcap.com\/files\/2025\/03\/12093145\/Screenshot-2025-03-13-at-12.31.38%E2%80%AFAM-1024x572.png\" alt=\"\" class=\"wp-image-25717\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><em>Figure 1: A Leading Malaysian Bank\u2019s Digital Twin Core Strategy&nbsp;<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">However, challenges in acquiring new customers through traditional channels and the high cost of supporting an outdated legacy system have driven the need for digital innovation.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Legacy System Limitations<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The Leading Malaysian Bank\u2019s current core banking system is built on SS Legacy Core using DB2 on a Power Series Platform\u2014a setup that is both inflexible and difficult to modify. Daily End-of-Day (EOD) processes, including interest accruals, month-end IFRS9 reporting, and General Ledger reconciliation, require several hours of batch processing and necessitate taking the system offline. The narrow window for these critical processes leaves little margin for error.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>High Operational Costs and Complexity<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Following an earlier setback in launching digital banking initiatives, the Leading Malaysian Bank has been forced to operate three different core banking systems, resulting in a cost-to-earning ratio exceeding 0.65\u2014well above the industry norm of 0.5. This multi-system approach has compounded operational complexities and increased overall costs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Requirements for Modernization<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">To meet future demands, the bank specified that any new relational database management system (RDBMS) must support MySQL and be fully cloud native, ensuring agility, scalability, and lower total cost of ownership.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Solution_Implementing_a_TiDB-Powered_Twin_Core\"><\/span><strong>The Solution: Implementing a TiDB-Powered Twin Core<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/static.pingcap.com\/files\/2025\/03\/12093330\/Screenshot-2025-03-13-at-12.33.25%E2%80%AFAM-1024x788.png\" alt=\"\" class=\"wp-image-25719\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><em>Figure 2: A Leading Malaysian Bank\u2019s Digital Core \u201cM\u201d Solution&nbsp;<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Leading Malaysian Bank deployed TiDB within its digital core as part of the \u201cM\u201d solution\u2014a strategic move highlighted in its blue integration layer. The primary focus during this initial phase was to lay the foundation for a seamless twin core integration while preserving data integrity and service levels. Key functions included:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>CIF Synchronization: <\/strong>Seamless synchronization between the legacy SS Core and the new M Digital Core, ensuring data consistency across both systems.<\/li>\n\n\n\n<li><strong>Real-Time OLTP: <\/strong>Support for real-time online transaction processing for customer enquiries and transactions, facilitating smooth orchestration between the two cores.<\/li>\n\n\n\n<li><strong>Efficient EOD Processing: <\/strong>Robust support for EOD functions required for General Ledger reconciliation and central bank reporting.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Solution Data Architecture<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Implemented in the Leading Malaysian Bank\u2019s Azure tenant, the production architecture leverages TiDB\u2019s active-active node configuration to support both real-time OLTP and batch EOD processing. This architecture not only provides high availability and scalability but also meets stringent performance and data integrity requirements.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/static.pingcap.com\/files\/2025\/03\/12093420\/Screenshot-2025-03-13-at-12.34.12%E2%80%AFAM-1024x575.png\" alt=\"\" class=\"wp-image-25720\"\/><\/figure>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><em>Figure 3: A Leading Malaysian Bank\u2019s Solution Data Architecture<\/em>&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Results\"><\/span><strong>Results<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The bank successfully launched its pilot unsecured lending product, targeting up to 300,000 customers. Running entirely on Azure, this new digital solution has already established the groundwork for twin core integration, providing a strong proof of concept for future digital initiatives.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Note: Detailed key performance metrics have not been released yet.<\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Future_Plans\"><\/span><strong>Future Plans<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The Leading Malaysian Bank\u2019s digital journey is just beginning. Building on the pilot\u2019s success, the bank plans to:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Roll Out Additional Digital Products:<\/strong> Introducing offerings like Multi-Currency Accounts, Share Margin Financing, and EWallet services to meet evolving customer needs.<\/li>\n\n\n\n<li><strong>Incrementally Migrate the Customer Base:<\/strong> Gradually transition all 2.8 million customers from the legacy SS Core to the new digital core, ensuring a seamless and secure migration process.<\/li>\n\n\n\n<li><strong>Leverage Advanced Analytics:<\/strong> Utilize TiDB\u2019s agile, cloud-native capabilities and HTAP features to drive real-time analytics, fueling future AI and next-generation digital product innovations.<\/li>\n\n\n\n<li><strong>Optimize Through Cloud Economics:<\/strong> Exploit elastic scaling on Azure\u2014and eventually support multi-cloud environments\u2014to enhance performance while reducing operational costs<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong>Conclusion<\/strong><strong>&nbsp;<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">While still in its early stages, the TiDB-powered digital core has already demonstrated exceptional scalability, ease of management, and agility\u2014key factors in reducing technical debt and supporting the Leading Malaysian Bank\u2019s long-term digital transformation.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The initial pilot not only validates the twin core strategy but also sets the stage for further consolidation of the bank\u2019s database landscape. Impressed by its robust performance and future-proof design, the Leading Malaysian Bank\u2019s head of infrastructure is now considering expanding TiDB\u2019s role to modernize their entire database ecosystem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you\u2019re ready to drive digital innovation, boost operational efficiency, and achieve sustainable growth, it\u2019s time to explore how TiDB can transform your organization\u2019s data strategy.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>This Leading Malaysian Bank is a major financial institution offering full banking services to both retail and corporate customers. It employs about 7,000 people, operates 126 branches, and serves roughly 2.8 million customers, establishing itself as a long-standing regional leader. The Challenge: Tackling Aging Infrastructure, Integration Complexity, and Escalating Support Costs The Leading Malaysian Bank [&hellip;]<\/p>\n","protected":false},"author":282,"featured_media":0,"template":"","tags":[14,11,111],"customer":[384],"industry":[184],"class_list":["post-25418","case-study","type-case-study","status-publish","hentry","tag-mysql","tag-real-time-analytics","tag-tidb","customer-affin-bank","industry-fintech"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Malaysian Bank Transforming: 300K to 2.8M Customers with TiDB<\/title>\n<meta name=\"description\" content=\"Discover how a leading Malaysian bank modernizes its legacy infrastructure with a TiDB-powered digital twin core strategy!\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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