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What is Strangler Fig Migration Pattern in Mining?
Understanding Strangler Fig Migration Pattern through the lens of Mining & Mineral Extraction operations, specifically targeting zero connectivity for 8+ hours a day.
The Definition
Core Concept: An architectural pattern where a new, modern application (Next.js/Postgres) is built around the edges of a legacy system. Workflows are incrementally rerouted to the new system until the old system can be safely strangled and decommissioned.
How Strangler Fig Migration Pattern Transforms Mining & Mineral Extraction Operations
Mining strangler fig patterns must prioritize safety system continuity: the migration starts with geology and resource planning (no safety-critical path), then moves to fleet management, then production tracking, and finally approaches safety monitoring systems last. The parallel validation phase for safety systems is extended to 12+ months, with the legacy system remaining as a hot standby until the new system has proven reliability across all operating conditions.
Real-World Implementation
A 20-year-old manufacturing ERP built on ASP.NET with a SQL Server backend was strangled over 9 months. The first workflow migrated was inventory receiving (week 1-4), followed by purchase orders (week 5-8), then production scheduling (week 9-16). By month 6, 70% of daily operations ran on the new Next.js/PostgreSQL stack. By month 9, the legacy SQL Server was decommissioned entirely. The company avoided a $2.1M "big bang" rewrite and experienced zero downtime during the entire transition.
Common Implementation Mistakes
Attempting to migrate the database first instead of building an anti-corruption layer that allows both systems to coexist
Routing entire sections of the application in one cut-over instead of migrating individual workflows incrementally
Failing to implement parallel validation where both systems process the same request and results are compared for correctness
Not establishing clear decommission criteria, causing the "strangle" to stall with 80% migrated but the legacy system running indefinitely
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Implement Strangler Fig Migration Pattern in Mining
Slickrock.dev provides fractional AI Architects who design and build production Mining systems using Strangler Fig Migration Pattern, without the overhead of full-time hires or generic SaaS platforms.
Talk to an ArchitectWhat Mining Operations Require
Implementing Strangler Fig Migration Pattern in Mining & Mineral Extraction addresses sector-specific technical requirements that generic platforms cannot satisfy.
Frequently Asked Questions
What is Strangler Fig Migration Pattern and how does it apply to Mining & Mineral Extraction?
An architectural pattern where a new, modern application (Next.js/Postgres) is built around the edges of a legacy system. Workflows are incrementally rerouted to the new system until the old system can be safely strangled and decommissioned. In the Mining & Mineral Extraction sector specifically, Mining strangler fig patterns must prioritize safety system continuity: the migration starts with geology and resource planning (no safety-critical path), then moves to fleet management, then production tracking, and finally approaches safety monitoring systems last. The parallel validation phase for safety systems is extended to 12+ months, with the legacy system remaining as a hot standby until the new system has proven reliability across all operating conditions.
What are the biggest mistakes Mining companies make when implementing Strangler Fig Migration Pattern?
Attempting to migrate the database first instead of building an anti-corruption layer that allows both systems to coexist Additionally, Routing entire sections of the application in one cut-over instead of migrating individual workflows incrementally Additionally, Failing to implement parallel validation where both systems process the same request and results are compared for correctness Additionally, Not establishing clear decommission criteria, causing the "strangle" to stall with 80% migrated but the legacy system running indefinitely
Why should Mining organizations invest in Strangler Fig Migration Pattern?
Mining organizations face specific challenges including zero connectivity for 8+ hours a day and health and safety audits are mission critical but prone to physical loss. Strangler Fig Migration Pattern addresses these by delivering zero downtime, incremental risk reduction, parallel validation. A 20-year-old manufacturing ERP built on ASP.NET with a SQL Server backend was strangled over 9 months. The first workflow migrated was inventory receiving (week 1-4), followed by purchase orders (week 5-8), then production scheduling (week 9-16). By month 6, 70% of daily operations ran on the new Next.js/PostgreSQL stack. By month 9, the legacy SQL Server was decommissioned entirely. The company avoided a $2.1M "big bang" rewrite and experienced zero downtime during the entire transition.