Database Scaling: Replicas, Sharding and CQRS Decisions
An honest map of database scaling strategies: read replicas and replication lag, table partitioning, the true cost of sharding, and where CQRS actually belongs.
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Field notes from the SSH Yazılım team on SAP, enterprise application development, integration and digitalization.
Multi-Layer Cache Architecture: From CDN to Database
Cache layers in high-traffic systems: CDN, local (Caffeine) and distributed (Redis) caches, invalidation strategies, cache stampede defense and hit-ratio management.
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Designing Software for Load: The Principles of Scalability
Design principles for high-traffic systems: statelessness, horizontal scaling, data partitioning, coordination avoidance and capacity math — the engineering foundations of scalability.
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Choosing a Technology Partner for Digital Transformation
Choosing a technology partner for digital transformation: evaluation criteria, evidence of technical depth, reference interview questions, red flags and the partnership's first 90 days.
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Contract Models in Software Projects: Fixed Price or Effort-Based?
Contract models in enterprise software: risk allocation across fixed price, time-and-materials and hybrid setups, scope/change management, acceptance criteria and matching model to project.
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Hybris Maintenance and Support: Building the AMS Model Right
AMS (application management services) for SAP Commerce (Hybris): support levels, SLA design, incident/problem management, the patch-and-version rhythm and a protected improvement budget.
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Java Modernization Consulting: From Assessment to Roadmap
How enterprise Java modernization consulting works: current-state assessment, risk/value prioritization, a phased roadmap, the blended-team model and success metrics.
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SAP Commerce and S/4HANA Integration: Flows and Architecture
Integrating SAP Commerce (Hybris) with S/4HANA: architecture of master data, pricing, stock (ATP), order and receivables flows; sync/async decisions, failure handling and reconciliation.
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Hybris B2B vs B2C Accelerator: The Right Starting Point
The SAP Commerce accelerator decision: real differences between B2B and B2C accelerators, customization strategy, the composable storefront relationship, and a start that won't hurt in five years.
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