#Memory Management

Articles about Memory Management — exploring patterns, best practices, and real-world implementations in production systems.

5 posts tagged with memory management. ← All posts

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Pratik Dhanave · ·6 min read

Smart Pointers: Box, Rc, and RefCell

Module 1's ownership rules — one owner, borrow-checked references — cover most code. But some data structures genuinely need more: a value on the heap, shared ownership, or mutation through a shared reference. Smart pointers are Rust's escape hatches that provide these while keeping the safety, and knowing the big three is knowing how to model the shapes ownership alone can't.

Ownership's rules cover most code. But some data structures genuinely need more: a value on the heap, shared ownership, or mutation through a shared reference. Smart pointers are Rust's escape hatches that provide these while keeping the safety.

#Rust#Systems Programming#Programming Languages#Memory Management
Pratik Dhanave · ·7 min read

Virtual Memory

Every process believes it has the whole machine's memory to itself, starting at address zero, contiguous and private — and none of that is literally true. Virtual memory is the elaborate illusion the OS and hardware maintain to make it true enough, and it's simultaneously what gives processes isolation, what lets you run programs bigger than RAM, and the reason a stray pointer segfaults instead of corrupting another program.

Every process believes it has the whole machine's memory to itself — and none of that is literally true. Virtual memory is the elaborate illusion the OS and hardware maintain, giving isolation, letting you run programs bigger than RAM, and making a stray pointer segfault instead of corrupting others.

#Operating Systems#Memory Management#Systems Programming#Computer Science
Pratik Dhanave · ·7 min read

Lifetimes

Lifetimes are the part of Rust that looks most alien — those `'a` annotations scattered through function signatures — and the part most misunderstood. They don't change how your code runs; they're just the compiler making explicit a question it's always been asking: how long does this reference need to be valid? Understanding that reframes lifetimes from cryptic syntax to a natural extension of borrowing.

Lifetimes are the part of Rust that looks most alien and is most misunderstood. They don't change how your code runs — they're the compiler making explicit a question it always asks: how long does this reference need to be valid?

#Rust#Systems Programming#Programming Languages#Memory Management
Pratik Dhanave · ·7 min read

Borrowing and References

If ownership were the whole story, Rust would be exhausting — you'd move values in and out of every function by hand. Borrowing is the release valve: it lets code use a value without taking ownership, governed by one elegant rule that also happens to eliminate data races. Ownership makes Rust safe; borrowing makes it usable.

If ownership were the whole story, Rust would be exhausting. Borrowing is the release valve: it lets code use a value without taking ownership, governed by one elegant rule that also happens to eliminate data races. Ownership makes Rust safe; borrowing makes it usable.

#Rust#Systems Programming#Programming Languages#Memory Management
Pratik Dhanave · ·7 min read

Ownership: Rust's Big Idea

Ownership is the idea that makes Rust Rust — the mechanism that delivers memory safety without a garbage collector. It's a set of three simple rules with deep consequences, and it's the one concept you must genuinely understand, because everything distinctive about the language flows from it. This is the heart of the series.

Ownership is the idea that makes Rust Rust — the mechanism that delivers memory safety without a garbage collector. Three simple rules with deep consequences, and the one concept you must genuinely understand, because everything distinctive flows from it.

#Rust#Systems Programming#Programming Languages#Memory Management

All posts on this site are written by Pratik Dhanave, an Agentic AI Architect with 7+ years building production distributed systems, multi-agent AI platforms, and cloud-native infrastructure. About the author → Each article includes working code, architecture diagrams, and references to the specific frameworks and standards discussed. Browse all posts or explore related topics using the tag cloud above.