https://merttosunblog.com Go, Node.js ve backend geliştirme üzerine yazılar tr https://merttosunblog.com/tr/blog/temporal-ve-kuyruklarla-dagitik-cron-jobs https://merttosunblog.com/tr/blog/temporal-ve-kuyruklarla-dagitik-cron-jobs Tue, 02 Jun 2026 00:00:00 GMT Dağıtık sistemlerde planlı işleri güvenilir biçimde çalıştırmak için Temporal, dayanıklı kuyruklar, idempotency ve operasyonel kontrol stratejileri. https://merttosunblog.com/en/blog/distributed-cron-jobs-temporal-queues https://merttosunblog.com/en/blog/distributed-cron-jobs-temporal-queues Tue, 02 Jun 2026 00:00:00 GMT Designing reliable scheduled workflows in distributed systems using Temporal, durable queues, idempotency, and operational safeguards. https://merttosunblog.com/tr/blog/postgresql-row-level-security-coklu-kiracili-saas https://merttosunblog.com/tr/blog/postgresql-row-level-security-coklu-kiracili-saas Sat, 30 May 2026 00:00:00 GMT PostgreSQL RLS politikalarıyla tenant verisini izole etme, yetki hatalarını azaltma ve paylaşımlı veritabanında güvenli ölçeklenme rehberi. https://merttosunblog.com/en/blog/postgresql-row-level-security-multi-tenant-saas https://merttosunblog.com/en/blog/postgresql-row-level-security-multi-tenant-saas Sat, 30 May 2026 00:00:00 GMT How to use PostgreSQL RLS policies to isolate tenant data safely, reduce authorization bugs, and keep multi-tenant SaaS systems maintainable. https://merttosunblog.com/tr/blog/websocket-horizontal-scaling-strategies-tr https://merttosunblog.com/tr/blog/websocket-horizontal-scaling-strategies-tr Fri, 29 May 2026 00:00:00 GMT WebSocket tabanli sistemleri yatayda buyuturken node senkronizasyonu, sticky session ve mesaj dagitim stratejileri. https://merttosunblog.com/tr/blog/zero-trust-service-to-service-auth-tr https://merttosunblog.com/tr/blog/zero-trust-service-to-service-auth-tr Fri, 29 May 2026 00:00:00 GMT Servisler arasi sifreleme ve kimlik dogrulamada zero trust prensiplerini uygulamak icin kapsamli teknik yol haritasi. https://merttosunblog.com/tr/blog/tamper-evident-audit-logging-tr https://merttosunblog.com/tr/blog/tamper-evident-audit-logging-tr Fri, 29 May 2026 00:00:00 GMT Denetim kayitlarini manipülasyona dayanikli hale getirmek icin hash chain, write-once storage ve dogrulama sureclerini aciklar. https://merttosunblog.com/tr/blog/cache-stampede-prevention-patterns-tr https://merttosunblog.com/tr/blog/cache-stampede-prevention-patterns-tr Fri, 29 May 2026 00:00:00 GMT Yuksek trafik altinda cache stampede etkisini azaltmak icin singleflight, request coalescing ve stale-while-revalidate teknikleri. https://merttosunblog.com/tr/blog/priority-queues-fair-scheduling-tr https://merttosunblog.com/tr/blog/priority-queues-fair-scheduling-tr Fri, 29 May 2026 00:00:00 GMT Kuyruk tabanli sistemlerde onceliklendirme, starvation riski ve adil kaynak dagitimi icin uygulanabilir yaklasimlar. https://merttosunblog.com/tr/blog/chaos-engineering-microservices-tr https://merttosunblog.com/tr/blog/chaos-engineering-microservices-tr Fri, 29 May 2026 00:00:00 GMT Mikroservis altyapisinda kaos deneyleri tasarlayarak dayanıklılık açıklarını onceden bulma ve azaltma yontemleri. https://merttosunblog.com/tr/blog/circuit-breaker-tuning-guide-tr https://merttosunblog.com/tr/blog/circuit-breaker-tuning-guide-tr Fri, 29 May 2026 00:00:00 GMT Circuit breaker threshold, half-open stratejisi ve retry koordinasyonu ile daha saglam servis davranisi elde etme rehberi. https://merttosunblog.com/tr/blog/cloud-egress-cost-optimization-tr https://merttosunblog.com/tr/blog/cloud-egress-cost-optimization-tr Fri, 29 May 2026 00:00:00 GMT Bulut ortaminda egress maliyetini CDN, bolge secimi ve veri transfer desenleriyle optimize etme stratejileri. https://merttosunblog.com/tr/blog/cqrs-read-model-consistency-tr https://merttosunblog.com/tr/blog/cqrs-read-model-consistency-tr Fri, 29 May 2026 00:00:00 GMT CQRS yapilarinda read model gecikmesi, eventual consistency ve yeniden insa surecini yonetmek icin kapsamli rehber. https://merttosunblog.com/tr/blog/data-contracts-schema-governance-tr https://merttosunblog.com/tr/blog/data-contracts-schema-governance-tr Fri, 29 May 2026 00:00:00 GMT Event ve API semalarinin kontrollu evrimi icin data contract surecleri, uyumluluk testleri ve governance modeli. https://merttosunblog.com/tr/blog/database-per-service-vs-shared-database-tr https://merttosunblog.com/tr/blog/database-per-service-vs-shared-database-tr Fri, 29 May 2026 00:00:00 GMT Mikroservis mimarisinde paylasilan veritabani ile servis basi veritabani yaklasimlarini teknik ve organizasyonel acidan inceler. https://merttosunblog.com/tr/blog/api-gateway-rate-limiting-architecture-tr https://merttosunblog.com/tr/blog/api-gateway-rate-limiting-architecture-tr Fri, 29 May 2026 00:00:00 GMT Rate limiting stratejilerini token bucket, sliding window ve quota yonetimi ile gateway seviyesinde uygular. https://merttosunblog.com/tr/blog/distributed-payments-compensation-tr https://merttosunblog.com/tr/blog/distributed-payments-compensation-tr Fri, 29 May 2026 00:00:00 GMT Odeme servislerinde partial failure durumlarini compensation islemleri ve finansal tutarlilik kontrolleriyle yonetme rehberi. https://merttosunblog.com/tr/blog/pii-masking-and-log-safety-tr https://merttosunblog.com/tr/blog/pii-masking-and-log-safety-tr Fri, 29 May 2026 00:00:00 GMT Kisisel veri iceren loglari guvenli hale getirmek icin masking, tokenization ve audit mekanizmalarini anlatir. https://merttosunblog.com/tr/blog/oauth2-token-exchange-m2m-tr https://merttosunblog.com/tr/blog/oauth2-token-exchange-m2m-tr Fri, 29 May 2026 00:00:00 GMT Servisler arasi token exchange, scope daraltma ve guvenli m2m auth akislari icin uygulamaya donuk rehber. https://merttosunblog.com/tr/blog/ebpf-observability-backend-systems-tr https://merttosunblog.com/tr/blog/ebpf-observability-backend-systems-tr Fri, 29 May 2026 00:00:00 GMT eBPF tabanli gozlemlenebilirlik yaklasimi ile kernel seviyesinde metrik ve trace toplamanin avantajlarini anlatir. https://merttosunblog.com/tr/blog/event-sourcing-snapshot-strategies-tr https://merttosunblog.com/tr/blog/event-sourcing-snapshot-strategies-tr Fri, 29 May 2026 00:00:00 GMT Event sourcing kullanan sistemlerde snapshot alma stratejileri, replay maliyeti, riskler ve production operasyonu icin pratik rehber. https://merttosunblog.com/tr/blog/webhook-reliability-playbook-tr https://merttosunblog.com/tr/blog/webhook-reliability-playbook-tr Fri, 29 May 2026 00:00:00 GMT Webhook entegrasyonlarinda teslimat guvenilirligi, imza dogrulama ve idempotent isleme pratiklerini adim adim anlatir. https://merttosunblog.com/tr/blog/tenant-isolation-compute-and-data-tr https://merttosunblog.com/tr/blog/tenant-isolation-compute-and-data-tr Fri, 29 May 2026 00:00:00 GMT Cok kiracili SaaS mimarilerinde tenant izolasyonunu compute, network ve data katmaninda dogru tasarlama rehberi. 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https://merttosunblog.com/tr/blog/service-mesh-adoption-guide-tr Fri, 29 May 2026 00:00:00 GMT Service mesh (istio/linkerd) adopsiyonunda operasyonel maliyet, guvenlik kazanimi ve gecis planini degerlendiren detayli karsilastirma. https://merttosunblog.com/tr/blog/secrets-management-vault-kms-sops-tr https://merttosunblog.com/tr/blog/secrets-management-vault-kms-sops-tr Fri, 29 May 2026 00:00:00 GMT Sifre, API key ve sertifika yonetimini merkezi ve denetlenebilir hale getirmek icin vault/kms/sops yaklasimlarini aciklar. https://merttosunblog.com/tr/blog/grpc-bidirectional-streaming-patterns-tr https://merttosunblog.com/tr/blog/grpc-bidirectional-streaming-patterns-tr Fri, 29 May 2026 00:00:00 GMT gRPC bidirectional streaming ile dusuk gecikmeli servisler kurarken akıs kontrolu, hata yonetimi ve izleme pratikleri. https://merttosunblog.com/tr/blog/search-indexing-rebuild-without-downtime-tr https://merttosunblog.com/tr/blog/search-indexing-rebuild-without-downtime-tr Fri, 29 May 2026 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Techniques such as singleflight, request coalescing, and stale-while-revalidate to reduce cache stampedes under high load. https://merttosunblog.com/en/blog/priority-queues-fair-scheduling-en https://merttosunblog.com/en/blog/priority-queues-fair-scheduling-en Fri, 29 May 2026 00:00:00 GMT Practical priority and fairness strategies for queue-based systems, including starvation mitigation and SLA alignment. https://merttosunblog.com/en/blog/chaos-engineering-microservices-en https://merttosunblog.com/en/blog/chaos-engineering-microservices-en Fri, 29 May 2026 00:00:00 GMT How to design chaos experiments in microservices to uncover and reduce resilience gaps before incidents happen. https://merttosunblog.com/en/blog/circuit-breaker-tuning-guide-en https://merttosunblog.com/en/blog/circuit-breaker-tuning-guide-en Fri, 29 May 2026 00:00:00 GMT Practical circuit breaker tuning with thresholds, half-open behavior, and retry coordination for stable services. 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00:00:00 GMT Explores shared database and database-per-service approaches in microservices from technical and organizational perspectives. https://merttosunblog.com/en/blog/distributed-payments-compensation-en https://merttosunblog.com/en/blog/distributed-payments-compensation-en Fri, 29 May 2026 00:00:00 GMT Guide to handling partial failures in payment services with compensation workflows and financial consistency checks. https://merttosunblog.com/en/blog/zero-trust-service-to-service-auth-en https://merttosunblog.com/en/blog/zero-trust-service-to-service-auth-en Fri, 29 May 2026 00:00:00 GMT Technical roadmap for applying zero-trust principles to service-to-service encryption and identity. https://merttosunblog.com/en/blog/ebpf-observability-backend-systems-en https://merttosunblog.com/en/blog/ebpf-observability-backend-systems-en Fri, 29 May 2026 00:00:00 GMT Explains how eBPF-based observability collects kernel-level telemetry while reducing traditional agent overhead. 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https://merttosunblog.com/en/blog/webhook-reliability-playbook-en Fri, 29 May 2026 00:00:00 GMT Step-by-step webhook reliability practices covering delivery retries, signature validation, and idempotent handling. https://merttosunblog.com/en/blog/tenant-isolation-compute-and-data-en https://merttosunblog.com/en/blog/tenant-isolation-compute-and-data-en Fri, 29 May 2026 00:00:00 GMT Guide to designing tenant isolation in multi-tenant SaaS across compute, network, and data layers. https://merttosunblog.com/en/blog/api-gateway-rate-limiting-architecture-en https://merttosunblog.com/en/blog/api-gateway-rate-limiting-architecture-en Fri, 29 May 2026 00:00:00 GMT Applies token bucket, sliding window, and quota policies for robust API gateway-level rate limiting. https://merttosunblog.com/en/blog/oauth2-token-exchange-m2m-en https://merttosunblog.com/en/blog/oauth2-token-exchange-m2m-en Fri, 29 May 2026 00:00:00 GMT Implementation-focused guide to token exchange, scope reduction, and secure 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https://merttosunblog.com/en/blog/signed-url-security-for-object-storage-en Fri, 29 May 2026 00:00:00 GMT Guide to secure signed URL usage in object storage systems, including expiration policy and abuse prevention. https://merttosunblog.com/en/blog/service-mesh-adoption-guide-en https://merttosunblog.com/en/blog/service-mesh-adoption-guide-en Fri, 29 May 2026 00:00:00 GMT Detailed evaluation of service mesh adoption, balancing operational cost, security gains, and migration planning. https://merttosunblog.com/en/blog/grpc-bidirectional-streaming-patterns-en https://merttosunblog.com/en/blog/grpc-bidirectional-streaming-patterns-en Fri, 29 May 2026 00:00:00 GMT How to build low-latency services with gRPC bidirectional streaming, covering flow control, failure handling, and observability. https://merttosunblog.com/en/blog/secrets-management-vault-kms-sops-en https://merttosunblog.com/en/blog/secrets-management-vault-kms-sops-en Fri, 29 May 2026 00:00:00 GMT How to make secret handling 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https://merttosunblog.com/tr/blog/retry-timeout-circuit-breaker-guvenilirlik-playbooku https://merttosunblog.com/tr/blog/retry-timeout-circuit-breaker-guvenilirlik-playbooku Sat, 18 Apr 2026 00:00:00 GMT Retry politikasi, timeout butcesi ve circuit breaker konfigurasyonunu birlikte tasarlayarak retry storm riskini azaltma rehberi. https://merttosunblog.com/en/blog/retry-timeout-circuit-breaker-reliability-playbook https://merttosunblog.com/en/blog/retry-timeout-circuit-breaker-reliability-playbook Sat, 18 Apr 2026 00:00:00 GMT A practical guide to combining retry policy, timeout budgets, and circuit breaker states without creating retry storms. https://merttosunblog.com/tr/blog/outbox-pattern-cdc-ile-event-driven-tutarlilik https://merttosunblog.com/tr/blog/outbox-pattern-cdc-ile-event-driven-tutarlilik Thu, 16 Apr 2026 00:00:00 GMT Veritabani yazimi ile event yayininin tutarliligini transactional outbox, CDC ve idempotent consumer desenleriyle guvenli hale getirme rehberi. 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