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Mustafa ERBAY

Cloud, system architecture and DevOps from the trenches. Original blog at mustafaerbay.com.tr

Location İstanbul, Türkiye Joined Joined on  Personal website https://mustafaerbay.com.tr github website

Work

Senior software & infrastructure engineer

The Burden of API Versioning: URI or Header?
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The Burden of API Versioning: URI or Header?

#tutorials #api #versioning #rest
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11 min read
Log Level Strategy: Is Debug Always Unnecessary?
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Log Level Strategy: Is Debug Always Unnecessary?

#career #logging #debugging #systemadministration
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8 min read
Metric Cardinality: An Overlooked Performance Burden or a Developer
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Metric Cardinality: An Overlooked Performance Burden or a Developer

#technology #observability #performance #monitoring
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6 min read
Database Partitioning: Does It Always Provide Scalability?
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Database Partitioning: Does It Always Provide Scalability?

#database #postgres #performance #scalability
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9 min read
AI Prompt Injection Defense Mechanisms and Cost Analysis
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AI Prompt Injection Defense Mechanisms and Cost Analysis

#ai #promptinjection #security #costanalysis
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9 min read
Kernel CVE Response: Quick Patch or Defense in Depth?
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Kernel CVE Response: Quick Patch or Defense in Depth?

#kernel #cve #security #devops
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11 min read
CI/CD for Side Projects: 3 Pragmatic Design Choices
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CI/CD for Side Projects: 3 Pragmatic Design Choices

#career #cicd #sideprojects #devops
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11 min read
The Hidden Cost of Idempotency in Distributed Systems
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The Hidden Cost of Idempotency in Distributed Systems

#life #distributedsystems #idempotency #architecture
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10 min read
AI Prompt Injection Defense: Building Effective Strategies in 5 Steps
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AI Prompt Injection Defense: Building Effective Strategies in 5 Steps

#tutorials #ai #security #llm
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6 min read
BOM Denormalization in ERP: Is It Always the Solution?
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BOM Denormalization in ERP: Is It Always the Solution?

#erp #yazilimmimarisi #database #performance
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4 min read
BGP Knowledge for Indie Hackers: Is It Really Necessary?
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BGP Knowledge for Indie Hackers: Is It Really Necessary?

#life #indiehacker #bgp #networking
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11 min read
RED Metrics Design: Service-Oriented or Workflow-Oriented?
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RED Metrics Design: Service-Oriented or Workflow-Oriented?

#monitoring #observability #systemdesign #performance
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10 min read
Perfect Architecture vs. Working Code: 3 Lessons for the Solo
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Perfect Architecture vs. Working Code: 3 Lessons for the Solo

#life
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7 min read
REST vs. GraphQL vs. gRPC: 3 API Design Approaches Compared
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REST vs. GraphQL vs. gRPC: 3 API Design Approaches Compared

#api #rest #graphql #grpc
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7 min read
The Operational Cost of JWT Lifecycle Management: Overlooked Details
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The Operational Cost of JWT Lifecycle Management: Overlooked Details

#jwt #authentication #security #operations
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11 min read
Shared Build Cache: Makes Sense for the Independent Developer?
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Shared Build Cache: Makes Sense for the Independent Developer?

#career #buildcache #developerworkflow #cicd
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9 min read
PostgreSQL WAL Bloat Management: Why Automatic Solutions Fall Short?
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PostgreSQL WAL Bloat Management: Why Automatic Solutions Fall Short?

#tutorials #postgres #database #performance
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6 min read
Vector Database Selection: Balancing Cost and Performance
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Vector Database Selection: Balancing Cost and Performance

#tutorials #vectordatabases #postgres #qdrant
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6 min read
ERP Product Tree Denormalization: The Maintenance and Scale Conundrum
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ERP Product Tree Denormalization: The Maintenance and Scale Conundrum

#career #erp #denormalization #database
Comments 2
7 min read
Seamless Deployment: Blue/Green vs Canary Trade-off Analysis
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Seamless Deployment: Blue/Green vs Canary Trade-off Analysis

#tutorials #deployment #devops #infrastructure
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9 min read
3 Load Balancing Strategies for High Availability in Side Projects
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3 Load Balancing Strategies for High Availability in Side Projects

#life #loadbalancing #highavailability #sysadmin
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7 min read
RAG Retrieval Quality: Development and Cost Anatomy in Side Projects
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RAG Retrieval Quality: Development and Cost Anatomy in Side Projects

#life #ai #rag #retrieval
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6 min read
Managing Supply Chain Data Flow in Side Projects in 3 Simple Steps
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Managing Supply Chain Data Flow in Side Projects in 3 Simple Steps

#life #supplychain #datamanagement #sideprojects
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7 min read
BGP Route Flap Damping: A Solution or a New Problem?
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BGP Route Flap Damping: A Solution or a New Problem?

#tutorials #network #routing #bgp
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7 min read
Managing AI Agent Tool-Use Limits in 3 Steps
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Managing AI Agent Tool-Use Limits in 3 Steps

#ai #agents #tooluse #tutorials
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7 min read
AI Agent Tool-Use: Boundaries in Cost and Performance Balance
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AI Agent Tool-Use: Boundaries in Cost and Performance Balance

#ai #agents #tooluse #cost
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8 min read
Supply Chain Data Flow Management in Side Projects: Why the Overkill?
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Supply Chain Data Flow Management in Side Projects: Why the Overkill?

#life
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11 min read
Dependency Vulnerabilities: The Cost of Constant Updates
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Dependency Vulnerabilities: The Cost of Constant Updates

#life #security #software #operasyon
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8 min read
Distributed Lock Alternatives: My Pragmatic System Design Experiences
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Distributed Lock Alternatives: My Pragmatic System Design Experiences

#dagitikkilit #sistemtasarimi #veritutarliligi #redis
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4 min read
Transitioning from Monolith to Modular Monolith: 3 Pragmatic Reasons
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Transitioning from Monolith to Modular Monolith: 3 Pragmatic Reasons

#career #architecture #monolith #modulermonolith
1
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9 min read
Transitioning from Monolith to Modular: A Comparison of 3 Different
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Transitioning from Monolith to Modular: A Comparison of 3 Different

#career #monolith #microservices #architecturalpatterns
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5 min read
Secret Rotation Automation: The Operational Cost of Security
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Secret Rotation Automation: The Operational Cost of Security

#life #security #automation #devops
1
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5 min read
Metric Cardinality: High or Low? 4 Steps to Making the Right Choice
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Metric Cardinality: High or Low? 4 Steps to Making the Right Choice

#life #metrik #kardinalite #monitoring
1
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5 min read
PostgreSQL WAL Bloat: Why Automatic Management Is Often Insufficient?
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PostgreSQL WAL Bloat: Why Automatic Management Is Often Insufficient?

#tutorials #postgres #database #performance
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6 min read
AI Agent Tool-Use Limits: More Tools, Better Results?
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AI Agent Tool-Use Limits: More Tools, Better Results?

#ai #agents #tooluse #orchestration
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7 min read
Micro Supply Chain: Anatomy of the Data Flow Mechanism
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Micro Supply Chain: Anatomy of the Data Flow Mechanism

#life #supplychain #dataflow #architecture
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5 min read
Monolith vs. Microservices: Which is Better for Your CI/CD Pipeline?
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Monolith vs. Microservices: Which is Better for Your CI/CD Pipeline?

#career #cicd #monolith #microservices
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7 min read
4 Smart Ways to Manage Retries in Side Projects
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4 Smart Ways to Manage Retries in Side Projects

#life #productdevelopment #personalprojects
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8 min read
SAST vs DAST: Which Should Come First in Application Security?
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SAST vs DAST: Which Should Come First in Application Security?

#sast #dast #applicationsecurity #devsecops
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6 min read
Mobile App Size Optimization: The Burden of the Development Process
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Mobile App Size Optimization: The Burden of the Development Process

#technology
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8 min read
RBAC or ABAC: Which Authorization Model?
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RBAC or ABAC: Which Authorization Model?

#authorization #rbac #abac #security
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8 min read
Offline-First Synchronization: The Overlooked Cost of Mobile
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Offline-First Synchronization: The Overlooked Cost of Mobile

#life #mobiledevelopment #offlinefirst #datasynchronization
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7 min read
App Size Optimization in Mobile Apps: Practical Approaches
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App Size Optimization in Mobile Apps: Practical Approaches

#mobil #optimizasyon #android #ios
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8 min read
Multi-Tenant ERP: The Risks of a Shared Schema
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Multi-Tenant ERP: The Risks of a Shared Schema

#tutorials #erp #database #architecture
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5 min read
Why is VLAN Segmentation Overhyped in Small Networks?
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Why is VLAN Segmentation Overhyped in Small Networks?

#networking #infrastructure #security
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7 min read
Eventual Consistency: The Inevitable Reality of Distributed Systems
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Eventual Consistency: The Inevitable Reality of Distributed Systems

#life #distributedsystems #eventualconsistency #systemarchitecture
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6 min read
Mobile App Features: Local Database vs. Cloud-Based
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Mobile App Features: Local Database vs. Cloud-Based

#mobilapp #localdatabase #cloudbased #database
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2 min read
API Versioning Strategy: URI or Header? A Pragmatic Choice
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API Versioning Strategy: URI or Header? A Pragmatic Choice

#api #versioning #rest #architecture
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7 min read
The Cost of Kernel CVE Patching Frequency in SLA Commitments
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The Cost of Kernel CVE Patching Frequency in SLA Commitments

#career #systemadministration #security #sla
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8 min read
Log Level Strategies: Balancing Observability and Cost
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Log Level Strategies: Balancing Observability and Cost

#logging #observability #cost #systemmanagement
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8 min read
ORM Tools Are Overrated: Why They Fall Short in Large-Scale Projects?
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ORM Tools Are Overrated: Why They Fall Short in Large-Scale Projects?

#orm #database #performance #architecture
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8 min read
Is Hosting Your Own LLM Really Advantageous for a Side Project?
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Is Hosting Your Own LLM Really Advantageous for a Side Project?

#life #ai #llm #selfhosting
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7 min read
JWT Refresh and Revocation Mechanisms: The State of Security Practices
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JWT Refresh and Revocation Mechanisms: The State of Security Practices

#jwt #security #token #authentication
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10 min read
Self-Hosted Runner vs SaaS: Which is More Cost-Effective?
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Self-Hosted Runner vs SaaS: Which is More Cost-Effective?

#devops #cicd #infrastructure #selfhosted
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8 min read
Database Partitioning Cost: Is It Really Worth It?
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Database Partitioning Cost: Is It Really Worth It?

#career #database #performance #postgres
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8 min read
Prompt Injection Defenses: Cost and Real-World Effectiveness Analysis
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Prompt Injection Defenses: Cost and Real-World Effectiveness Analysis

#ai #promptengineering #security #llm
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10 min read
Multi-Tenant Architecture in ERP Systems: A Practical Guide
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Multi-Tenant Architecture in ERP Systems: A Practical Guide

#erp #architecture #sistemtasarimi #coklukiraci
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8 min read
Build Cache Optimization in CI/CD Pipelines: 3 Practical Ways
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Build Cache Optimization in CI/CD Pipelines: 3 Practical Ways

#life #devops #cicd #productivity
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7 min read
Anatomy of Database Index Structures: Fundamentals of Query
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Anatomy of Database Index Structures: Fundamentals of Query

#tutorials #database #performance #optimization
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7 min read
LLM Inference Caching: How to Balance Cost and Latency?
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LLM Inference Caching: How to Balance Cost and Latency?

#technology #ai #llm #caching
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7 min read
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