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postgres=# SELECT * FROM me;

Samba Siva Reddy

I work on PostgreSQL internals — the planner, executor and storage engine — and write down what I find in the source.

Teradata · ex-Zoho · Hyderabad, Indiaopen to conversations

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psql — sambasivareddy.inopen terminal ↓
 area           | depth
----------------+--------------------
 planner        | cost model, joins
 executor       | quals, nodes
 storage        | heap, WAL
 distributed    | cross-shard stats
(4 rows)

postgres=# \dt

-- 01start here

If you read three things, read these.
series · 9 parts · 118 minPostgreSQL InternalsA series which helps you to understand the PostgreSQL as a whole. Gives you idea about it's architecture and high-level working (a little depth) knowledgedeep dive · 9 minBuilding a Local PostgreSQL Internals Assistant - Zero API CostsLocal PostgreSQL internals assistant - semantic search over PG source via pgvector + Ollama, exposed as MCP tools in Zed and VSCode. Free, offline, zero API costs.read →tool · PostgreSQL · Pythonpg_mcp_serverA local, free PostgreSQL internals assistant — semantic search over PG source code integrated into Zed and VSCode via the Model Context Protocol (MCP). Ask natural language questions about PostgreSQL internals without any cloud API or internet dependency.project →

-- 02recent writing

All writing →

-- 03building now

All projects →

Also:Multi-Domain Support Triage Agentpg_ext_memcheckpg-log-parser

-- 04now

Updated Oct 26, 2026 →
at work
Working at Teradata as a Database Engineer.
reading
Reading 'The Stationery Shop of Tehran' by Marjan Kamali
learning
Exploring PostgreSQL internals, distributed systems, reading so many technical blogs and Rust programming for building high-performance tools.