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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

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Senior software & infrastructure engineer

BGP Route Flap Anatomy: Why It Happens, How to Fix It?
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BGP Route Flap Anatomy: Why It Happens, How to Fix It?

#tutorials #network #routing #bgp
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9 min read
Metric Collection: Push vs. Pull Models - When to Use Which?
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Metric Collection: Push vs. Pull Models - When to Use Which?

#monitoring #observability #prometheus #grafana
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10 min read
Database Index Selection: Why Basic Approaches Fall Short?
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Database Index Selection: Why Basic Approaches Fall Short?

#database #performance #index #postgres
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8 min read
Zero-Trust Architecture: A Pragmatic Roadmap for Small Teams
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Zero-Trust Architecture: A Pragmatic Roadmap for Small Teams

#security #network #architecture #zerotrust
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8 min read
Secret Rotation: Practical Ways to Enhance Security
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Secret Rotation: Practical Ways to Enhance Security

#technology #security #devops #systemadmin
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11 min read
Dependency Security: Stopping the Build or Warning?
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Dependency Security: Stopping the Build or Warning?

#dependencysecurity #cicd #vulnerabilitymanagement #softwaresupplychain
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8 min read
Eventual Consistency: 3 Decision-Making Criteria for Side Projects
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Eventual Consistency: 3 Decision-Making Criteria for Side Projects

#life #eventualconsistency #architecture #decisionmaking
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8 min read
The Cost of Offline-First Synchronization in Mobile Applications
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The Cost of Offline-First Synchronization in Mobile Applications

#tutorials
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9 min read
Multi-Tenant Architecture in ERP: How to Make the Right Trade-offs?
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Multi-Tenant Architecture in ERP: How to Make the Right Trade-offs?

#career #erp #architecture #multitenant
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1 min read
Switch Hardening: Always a Necessary Step?
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Switch Hardening: Always a Necessary Step?

#network #security #switchhardening #networkinfrastructure
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7 min read
Cardinality Explosion: Should Every Detail Really Be Observed? And
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Cardinality Explosion: Should Every Detail Really Be Observed? And

#career #observability #metrics #logging
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8 min read
Database Index Selection: Core Approaches for Performance
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Database Index Selection: Core Approaches for Performance

#tutorials #postgres #database #performance
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10 min read
API Versioning: URI vs Header – Which Is More Practical?
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API Versioning: URI vs Header – Which Is More Practical?

#tutorials
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5 min read
Why VLAN Segmentation is No Longer as Necessary? (Or Is It?)
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Why VLAN Segmentation is No Longer as Necessary? (Or Is It?)

#life #network #vlan #segmentation
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7 min read
Log Level Strategies: Detailed Monitoring or Minimum Noise?
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Log Level Strategies: Detailed Monitoring or Minimum Noise?

#career #logging #systemadministration #observability
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8 min read
Mobile Push Notifications: Firebase or Your Own Solution? Detailed…
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Mobile Push Notifications: Firebase or Your Own Solution? Detailed…

#tutorials #mobile #pushnotification #firebase
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7 min read
MVCC Anti-Patterns: 3 Common Missteps Affecting Performance
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MVCC Anti-Patterns: 3 Common Missteps Affecting Performance

#technology #postgres #database #performance
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7 min read
The Anatomy of VLAN Segmentation: Foundations of Proper Design
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The Anatomy of VLAN Segmentation: Foundations of Proper Design

#tutorials #network #vlan #segmentasyon
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5 min read
Log Level Strategy: How to Make the Right Choices in a Production
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Log Level Strategy: How to Make the Right Choices in a Production

#tutorials #logging #systemadministration #debugging
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8 min read
Why Does Using an ORM Decrease Database Performance? An Experience...
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Why Does Using an ORM Decrease Database Performance? An Experience...

#orm #database #performance #architecture
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7 min read
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
Comments
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
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