Tagged
Synthetics prove a journey works from AWS; RUM shows what real browsers experience (LCP, CLS, INP). Sampling, privacy, cost, and when Application Signals still owns backend SLOs.
Postal v3 on AWS: 2 vCPU / 4 GiB minimum per official docs, RDS MariaDB production path, $250-$700/mo dev footprint, Docker + Caddy architecture, and 100+ item readiness checklist.
Pon Pandian PaulswamySES tenants (GA Aug 2025) add $0.005/tenant/mo reputation isolation: when ISV platforms need them vs configuration sets alone, with IAM, pricing, and IaC.
Pon Pandian PaulswamyBloom filters shave 90% of negative lookups; HyperLogLog estimates cardinality without storing every user ID. Redis modules on ElastiCache for abuse detection and feed deduplication.
Palaniappan PWhy Aurora PostgreSQL loves B-tree indexes on OLTP but DynamoDB feels like an LSM, and how cost-based optimization surprises you when statistics go stale on RDS.
Palaniappan PCAP explains why your global DynamoDB table shows stale inventory and why Aurora Global reads lag 80 ms behind the writer. This guide maps partition tolerance, consistency, and availability trade-offs to concrete AWS controls.
Palaniappan PYou rarely implement Raft on EC2, because you buy it in Aurora, DynamoDB, and EKS etcd. This guide explains quorum math so you can trust managed services and avoid rolling your own coordinator.
Palaniappan PDefault Docker seccomp is not enough for regulated workloads. EKS Pod Security Standards, seccomp profiles, and Fargate platform version constraints.
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