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Multi-Tenant SaaS Architectures: PostgreSQL Schemas vs. Row-Level Security in Rails
Two ways to isolate tenants in one database
Custom Network Programming with Epoll and Kqueue in Go
Go already has a netpoll – know why you would reimplement it
Scaling ActionCable to 10k Active WebSockets with Redis Pub/Sub
WebSockets look like the same stack as HTTP and are, in every way that matters, the opposite. An HTTP request occupies a thread for a hundred milliseconds and leaves. A...
Understanding Go Interface Devirtualization and its Performance Impact
The real cost of an interface call
Structured Concurrency in Go: Managing Subtask Lifecycles with golang.org/x/sync/errgroup
sync.WaitGroup answers one question: “is everyone done?” It cannot tell you someone failed, and it certainly cannot stop the others when one does. For fan-out over shards, partitions, or upstreams...
gRPC Client-side Load Balancing in Go: Implementing Custom Resolvers
gRPC is built on HTTP/2, and HTTP/2 wants a few long-lived connections, not many short ones. Put a classic L4 or L7 load balancer in front and you have re-introduced...