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← All postsTwo of the hardest Worker primitives. Queues for fire-and-forget jobs with retry and DLQ. Durable Objects for single-writer coordination. When to pick which, with real patterns....
KhaVan R2 is Cloudflare's S3-compatible object storage with no egress fees. R2 vs S3 in real costs, 4 access patterns, S3 migration, and gotchas around consistency, metadata, lifecycle....
KhaVan D1 is SQLite at the edge with a primary region and read replicas: architecture, the 5 query methods, Sessions API, prepared-statement cache, and 7 production gotchas....
KhaVan Cloudflare KV is an eventually-consistent KV store with per-PoP caching. The real consistency model, limits that matter, 5 good patterns, 3 anti-patterns, and real gotchas....
KhaVan AI answers grounded in ~75 published posts with citations. Ask about Cloudflare, AWS, Zero Trust, cloud security.
