Jon Handler

I am a Senior Principal Solutions Architect at Amazon Web Services based in Palo Alto, CA, and an ambassador for the OpenSearch Project.

Palo Alto, CA Joined on Jul 24, 2026 https://aws.amazon.com

Pronouns

he/him

Work

Solutions Architect

Jon Handler

Nov 13

Time Series Collections in Amazon OpenSearch Serverless: Observability That Scales With the Incident

#observability #opensearch #serverless #aiagents

7 min read

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Jon Handler

Nov 10

What Did That Agent Run Cost? Token and Latency Accounting in OpenSearch UI

#observability #opentelemetry #aiagents #opensearch

6 min read

Jon Handler

Nov 4

From Log Lines to Agent Investigations: An Observability Maturity Model for Amazon OpenSearch Service

#observability #opentelemetry #aiagents #opensearch

5 min read

Jon Handler

Oct 29

A Nightmare on Hollow Lane. Dedicated Cluster Managers Save the Day

#opensearch #aws #distributedsystems #halloween

7 min read

Jon Handler

Oct 27

Stop Switching Tabs: Uplevel The SRE Chat Window with Amazon OpenSearch Service MCP Apps

#observability #aiagents #opensearch #mcp

6 min read

Jon Handler

Oct 22

Implement Agent Observability: Extend Your OpenTelemetry Stack on Amazon OpenSearch Service

#observability #aiagents #vectorsearch #airetrieval

5 min read

Jon Handler

Oct 15

Connect your Strands agent to Amazon OpenSearch Service

#vectorsearch #airetrieval #opensearch #aiagents

5 min read

Jon Handler

Oct 13

Dial in your search with User Behavior Insights: from clicks to accurate results

#vectorsearch #airetrieval #opensearch #searchrelevance

5 min read

Jon Handler

Oct 8

From 1.3 TB to 66 GB: On-Disk Vector Search in OpenSearch

#vectorsearch #airetrieval #opensearch #quantization

8 min read

Jon Handler

Oct 6

Native Quantization: Let OpenSearch Service Compress Your Vectors

#vectorsearch #airetrieval #opensearch #quantization

6 min read

Jon Handler

Oct 2

1.3 TB of RAM for 100M Vectors? Shrink Them Before They Hit OpenSearch

#vectorsearch #airetrieval #opensearch #quantization

8 min read

Jon Handler

Sep 29

Migrating From Keyword Search to Vector Search on OpenSearch: A Guide for Teams Still on Lexical-Only

#opensearch #vectorsearch #airetrieval #aws

6 min read

Jon Handler

Sep 24

OpenSearch Unifies the Retrieval Layer for Structured, Time Series, and Full Text Data

#opensearch #ai #vectorsearch #airetrieval

6 min read

Jon Handler

Sep 22

Hybrid Search Explained: Combining Lexical and Semantic Search in OpenSearch

#opensearch #hybridsearch #vectorsearch #airetrieval

4 min read

Jon Handler

Sep 10

Semantic Search Setup in Amazon OpenSearch Service: From Zero to Vector Search in 15 Minutes

#opensearch #semanticsearch #vectorsearch #airetrieval

5 min read

Jon Handler

Sep 8

Enterprise RAG Without Per-Token Pricing: DeepSeek R1 on SageMaker with OpenSearch

#opensearch #rag #vectorsearch #airetrieval

5 min read

Jon Handler

Sep 3

OpenSearch Service GPU Acceleration and Auto-Optimization: vector search with ease

#opensearch #vectorsearch #airetrieval #gpu

4 min read

Jon Handler

Sep 1

Build a Search App in 200 Lines. Let OpenSearch Serverless Handle the Other 10,000.

#opensearch #serverless #vectorsearch #airetrieval

5 min read

Jon Handler

Aug 27

Your AI Agent Just Read the man Pages. OpenSearch Agent Skills Turn Your IDE Into a Search Engineer.

#opensearch #airetrieval #vectorsearch #opensource

5 min read

Jon Handler

Aug 25

The $11,000/Month diff: You're Shipping 600 DPI When 150 Gets the Job Done

#opensearch #vectordatabase #semanticsearch #cloudcomputing

3 min read

Jon Handler

Aug 21

Your Search Engine Is Running grep on a Dictionary. OpenSearch Automatic Semantic Enrichment Fixes That.

#opensearch #semanticsearch #vectorsearch #airetrieval

5 min read

Jon Handler

Aug 19

What If Your Search Infrastructure Only Existed When Someone Searched?

#opensearch #serverless #cloudcost #airetrieval

4 min read

Jon Handler

Aug 17

Read Your AI Agent's Mind. OpenSearch Observability for LLM Traces.

#amazonopensearchservice #llmobservability #opentelemetry #devops

5 min read

Jon Handler

Aug 14

1TB Migrated in 33 Minutes. The Agent Didn't Even Need Coffee.

#opensearch #migration #aiagents #devops

4 min read

Jon Handler

Aug 11

Forget Total Recall. Give Your AI Agent Selective Memory with OpenSearch.

#opensearch #vectorsearch #airetrieval #aimemory

5 min read

Jon Handler

Aug 6

Stop Making Your Database Pretend It Can Search

#opensearch #aws #dataengineering #database

6 min read

Jon Handler

Aug 4

Your Search Backend Speaks MCP Now

#opensearch #aws #ai #mcp

4 min read

Jon Handler

Aug 1

"Most Of Your Vectors Are Steerage. Why Are They In First Class?"

#opensearch #aws #ai #vectorsearch

6 min read

Jon Handler

Jul 27

Fix Your Search, Fix Your RAG Output

#opensearch #search #ai #rag

6 min read

Jon Handler

Jul 24

The Million-Tenant Problem: Why Your OpenSearch Service Architecture Breaks at Scale

#opensearch #aws #architecture #logging

8 min read

Jon Handler

Jul 24

Your Search Engine Has Been Doing the Heavy Lifting (And You Never Noticed)

#opensearch #search #ai #machinelearning

6 min read

DEV Community

Jon Handler

Badges

Writing Debut

Time Series Collections in Amazon OpenSearch Serverless: Observability That Scales With the Incident

Want to connect with Jon Handler?

What Did That Agent Run Cost? Token and Latency Accounting in OpenSearch UI

From Log Lines to Agent Investigations: An Observability Maturity Model for Amazon OpenSearch Service

A Nightmare on Hollow Lane. Dedicated Cluster Managers Save the Day

Stop Switching Tabs: Uplevel The SRE Chat Window with Amazon OpenSearch Service MCP Apps

Implement Agent Observability: Extend Your OpenTelemetry Stack on Amazon OpenSearch Service

Connect your Strands agent to Amazon OpenSearch Service

Dial in your search with User Behavior Insights: from clicks to accurate results

From 1.3 TB to 66 GB: On-Disk Vector Search in OpenSearch

Native Quantization: Let OpenSearch Service Compress Your Vectors

1.3 TB of RAM for 100M Vectors? Shrink Them Before They Hit OpenSearch

Migrating From Keyword Search to Vector Search on OpenSearch: A Guide for Teams Still on Lexical-Only

OpenSearch Unifies the Retrieval Layer for Structured, Time Series, and Full Text Data

Hybrid Search Explained: Combining Lexical and Semantic Search in OpenSearch

Semantic Search Setup in Amazon OpenSearch Service: From Zero to Vector Search in 15 Minutes

Enterprise RAG Without Per-Token Pricing: DeepSeek R1 on SageMaker with OpenSearch

OpenSearch Service GPU Acceleration and Auto-Optimization: vector search with ease

Build a Search App in 200 Lines. Let OpenSearch Serverless Handle the Other 10,000.

Your AI Agent Just Read the man Pages. OpenSearch Agent Skills Turn Your IDE Into a Search Engineer.

The $11,000/Month diff: You're Shipping 600 DPI When 150 Gets the Job Done

Your Search Engine Is Running grep on a Dictionary. OpenSearch Automatic Semantic Enrichment Fixes That.

What If Your Search Infrastructure Only Existed When Someone Searched?

Read Your AI Agent's Mind. OpenSearch Observability for LLM Traces.

1TB Migrated in 33 Minutes. The Agent Didn't Even Need Coffee.

Forget Total Recall. Give Your AI Agent Selective Memory with OpenSearch.

Stop Making Your Database Pretend It Can Search

Your Search Backend Speaks MCP Now

"Most Of Your Vectors Are Steerage. Why Are They In First Class?"

Fix Your Search, Fix Your RAG Output

The Million-Tenant Problem: Why Your OpenSearch Service Architecture Breaks at Scale

Your Search Engine Has Been Doing the Heavy Lifting (And You Never Noticed)