Managing State in Elixir: When to Use Call vs. Cast in GenServer
Stop blocking your Elixir processes. Learn when to use GenServer.call versus GenServer.cast to balance system responsiveness with state consistency.
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Stop blocking your Elixir processes. Learn when to use GenServer.call versus GenServer.cast to balance system responsiveness with state consistency.
Stop building redundant APIs. Learn how Phoenix LiveView moves state management to the server to reduce frontend complexity and enable real-time updates via diff-based HTML patches.
Learn when to use GenServer.call vs GenServer.cast in Elixir. We explore the trade-offs between synchronous consistency and asynchronous throughput with a practical rate-limiter example.
A diagnostic guide for identifying and resolving process memory leaks in Elixir, focusing on heap growth, mailbox overflows, and state management using ETS.
Learn how to use Ecto Changesets to prevent mass-assignment vulnerabilities by implementing strict data casting and separating application validation from database constraints.
Learn how Ecto Changesets prevent data corruption by decoupling input casting and validation from database persistence in Elixir.
Ecto.Multi lets you chain inserts, updates, and custom callbacks into a single all‑or‑nothing transaction. This guide shows a concrete example, explains how it works, and lists common pitfalls and verification steps.
Learn how Ecto.Multi lets you compose multiple database operations into an atomic transaction, handle errors cleanly, and avoid common side‑effect pitfalls in Elixir apps.
GenServer turns a module into a concurrent service that encapsulates state, handles messages, and integrates with OTP supervision. This blog walks through a counter example, discusses trade‑offs, and offers actionable steps for Elixir developers.