Ajitkumar Singh

Ajitkumar Singh

Nov 11

A filtered DynamoDB Scan still reads the whole table

#aws #dynamodb #database #nosql

3 min read

Ajitkumar Singh

Nov 10

A good hash can't fix a hot tenant

#systemdesign #database #distributedsystems #architecture

5

3 min read

Ajitkumar Singh

Nov 8

Where a slow first token comes from

#llm #performance #ai #mlops

2 min read

Ajitkumar Singh

Nov 6

A voice agent is a stack, not a model

#ai #voice #webrtc #architecture

3 min read

Ajitkumar Singh

Nov 4

One metric label can cost 648 GB of memory

#observability #prometheus #monitoring #sre

3 min read

Ajitkumar Singh

Nov 3

Your primary key is a storage decision

#database #postgres #systemdesign #performance

3 min read

Ajitkumar Singh

Nov 1

Security, safety, robustness and privacy are four different problems

#ai #security #llm #privacy

2 min read

Ajitkumar Singh

Oct 30

Five ways to code with AI, five different risks

#ai #programming #productivity #softwareengineering

3 min read

Ajitkumar Singh

Oct 28

What multi-AZ buys, and what it doesn't

#aws #cloud #sre #architecture

3 min read

Ajitkumar Singh

Oct 27

Same average, very different users

#observability #sre #monitoring #performance

2 min read

Ajitkumar Singh

Oct 25

Read an MCP server before you trust it

#mcp #ai #security #agents

1

5

3 min read

Ajitkumar Singh

Oct 23

Build the safety net before your coding agent's first edit

#ai #claude #programming #devops

3 min read

Ajitkumar Singh

Oct 21

Your database reads pages, not rows

#database #postgres #performance #sql

3 min read

Ajitkumar Singh

Oct 20

Why Kafka is a log, not a queue

#kafka #eventdriven #systemdesign #architecture

1

3 min read

Ajitkumar Singh

Oct 18

Your context window is a budget

#ai #llm #rag #agents

3 min read

Ajitkumar Singh

Oct 16

Pick the place before you pick the model

#ai #chatgpt #productivity #programming

3 min read

Ajitkumar Singh

Oct 14

A container is a process, not a small VM

#docker #kubernetes #linux #devops

1

3 min read

Ajitkumar Singh

Oct 13

Why a retry charges the customer twice

#distributedsystems #systemdesign #backend #api

3 min read

Ajitkumar Singh

Oct 11

What an AI agent actually is

#ai #llm #agents #architecture

3 min read

Ajitkumar Singh

Oct 10

Multimodal AI starts with evidence, not modality

#ai #machinelearning #llm #architecture

2 min read

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Writing Debut

A filtered DynamoDB Scan still reads the whole table

A good hash can't fix a hot tenant

Where a slow first token comes from

A voice agent is a stack, not a model

One metric label can cost 648 GB of memory

Your primary key is a storage decision

Security, safety, robustness and privacy are four different problems

Five ways to code with AI, five different risks

What multi-AZ buys, and what it doesn't

Same average, very different users

Read an MCP server before you trust it

Build the safety net before your coding agent's first edit

Your database reads pages, not rows

Why Kafka is a log, not a queue

Your context window is a budget

Pick the place before you pick the model

A container is a process, not a small VM

Why a retry charges the customer twice

What an AI agent actually is

Multimodal AI starts with evidence, not modality