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Samba Siva Reddy

Software Engineer building scalable systems and sharing knowledge through code and writing.

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© 2026 Samba Siva Reddy. All rights reserved.

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Thoughts on software engineering, web development, technology, books, personal growth, and more.

27 articles·1.2k reads·14 tags
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Artificial Intelligence (2)
Personal (8)
PostgreSQL (11)
Productivity (1)
Technical (18)
Thoughts (1)
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Series

PostgreSQL Internals

A series on understanding what is really happening under the hood of postgreSQL

8 parts

Monthly Books Summary

A series on monthly summary of the books I read in that month

3 parts

Book Review

A few reviews on Books I really loved

1 part

Rust Basics

A series to learn the Rust Basics

June 2026

1
Reading PostgreSQL · Part 2
June 22, 2026·7 min readNew

PostgreSQL Table Statistics: When, Where, and How They're Calculated

Understand and Learn about the PostgreSQL Table's Statistics and in-depth code walkthrough

PostgreSQL
Technical
PGSourceCode
102
2
Reading PostgreSQL · Part 1
June 13, 2026·6 min read

TableAmRoutine - your way of integrating a custom storage engine into PostgreSQL

Learn how TableAmRoutine works under the hood and use it to plug your custom storage engine into PostgreSQL without touching the core.

PostgreSQL
Technical
PGSourceCode
1533
3
June 5, 2026·9 min readPopular

Building a Local PostgreSQL Internals Assistant - Zero API Costs

Local PostgreSQL internals assistant - semantic search over PG source via pgvector + Ollama, exposed as MCP tools in Zed and VSCode. Free, offline, zero API costs.

Technical
Artificial Intelligence
LLM
9164

May 2026

4
Projects · Part 1
May 29, 2026·7 min read

pg_ext_memcheck - The memory bug detector that speaks PostgreSQL

A PostgreSQL extension that catches MemoryContext leaks, wrong-context allocations, and shmem overruns — from inside the backend.

Technical
Project
142
5
PostgreSQL Internals · Part 8
May 25, 2026·14 min read

PostgreSQL Internals - Module 8: Concurrency & Locking

PostgreSQL locking deep dive: lock hierarchy, row-level locks in xmax, MultiXactId, deadlock detection, advisory locks, SKIP LOCKED queue, and pg_locks queries.

PostgreSQL
Technical
PGInternals
311
6
Rust Basics · Part 5
May 19, 2026·9 min read

Rust Basics - Module 5: Generics and Traits

Learn Rust traits, generics, trait bounds, and static vs dynamic dispatch. Understand how Rust achieves polymorphism without runtime cost using monomorphisation.

Technical
Rust
82
7
PostgreSQL Internals · Part 7
May 12, 2026·13 min read

PostgreSQL Internals - Module 7: VACUUM, Autovacuum & Bloat

Inside PostgreSQL VACUUM: dead tuple collection, OldestXmin watermark, autovacuum triggers, XID freeze mechanics, bloat diagnosis, and pg_repack vs VACUUM FULL.

PostgreSQL
Technical
PGInternals
2611
8
Rust Basics · Part 4
May 10, 2026·9 min read

Rust Basics - Module 4: Structs, Enums and Pattern Matching

Learn Rust structs, enums, Option<T>, and pattern matching. Understand algebraic data types and how match eliminates null pointer bugs at compile time.

Technical
Rust
61
9
Rust Basics · Part 3
May 8, 2026·6 min read

Rust Basics - Module 3: Borrowing and References

Learn how Rust's borrowing and references work - immutable vs mutable refs, borrow checker rules, dangling pointers, &str vs String, and slices explained.

Technical
Rust
511
10
Rust Basics · Part 2
May 6, 2026·8 min read

Rust Basics - Module 2: Ownership

Learn about the ownership in Rust and how every other things like borrowing, lifetimes, concurrency safety is built on top of the ownership in details.

Technical
Rust
911

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5 parts

Projects

1 part

Reading PostgreSQL

Walking through PostgreSQL concepts directly from the source code

2 parts