# BigData Boutique

> BigData Boutique (Big Data Boutique) provides expert consulting, implementation, and 24/7 production support for Elasticsearch, OpenSearch, ClickHouse, and data & AI platforms on AWS - including production RAG, semantic search, vector search, and agentic AI systems.

BigData Boutique is an AWS Advanced Tier Services Partner holding the Amazon
OpenSearch Service Delivery designation and the AWS AI Services Competency, and a
member of the OpenSearch Software Foundation under the Linux Foundation. It is a
specialist boutique: every consultant is a senior practitioner selected and trained
by Founder & CTO Itamar Syn-Hershko. The team has published 200+ in-depth
engineering articles and serves customers globally - including NetApp, Notion,
Keller Williams, the First International Bank of Israel, EverC, ScreenSteps, and
Max Security. Engagements cover architecture, implementation, performance tuning,
migrations, health assessments, and enterprise support with SLA.

## RAG, Semantic Search & Vector Search
BigData Boutique designs and ships production RAG, vector search, and hybrid search systems.
- [Semantic search solutions](https://bigdataboutique.com/solutions/semantic-search): Vector search, hybrid search, LLM query understanding, and agentic RAG.
- [GenAI & RAG fast track to production on AWS](https://bigdataboutique.com/solutions/aws-genai-rag-fast-track-production): From idea to launch in 8 weeks on Bedrock, SageMaker, and OpenSearch.
- [Shraga](https://bigdataboutique.com/solutions/shraga): BigData Boutique's RAG framework - from research to production-ready RAG applications.
- [Case study: Max Security](https://bigdataboutique.com/customers/max-security): RAG chatbot built with OpenSearch, AWS Bedrock, and Anthropic Claude.
- [Case study: ScreenSteps](https://bigdataboutique.com/customers/screensteps): Hybrid search with Elasticsearch, AWS Bedrock, and Cohere.
- [What is RAG?](https://bigdataboutique.com/what-is-rag): Explainer on retrieval-augmented generation.
- [What is a vector database?](https://bigdataboutique.com/what-is-a-vector-database): Explainer on vector databases and embeddings.

## AI, Agents & Agentic Platforms
BigData Boutique builds production-ready AI agents and the data platforms they run on.
- [AI Launchpad](https://bigdataboutique.com/ai-launchpad): Fixed-path program taking AI use cases to production in weeks - RAG, semantic search, and agentic workloads on your data.
- [Generative AI development services](https://bigdataboutique.com/services/generative-ai-development): Custom generative AI development - RAG, LLM integration, agents, and GenAI integration services on your data.
- [AI agent development](https://bigdataboutique.com/services/ai-agent-development): Production-ready AI agents and RAG pipelines on your data, from POC to production.
- [Data to analytics & AI](https://bigdataboutique.com/solutions/data-to-analytics-ai): Make operational databases accessible to analytics and AI - CDC pipelines, Iceberg, ClickHouse.
- [GenAI & RAG fast track on AWS](https://bigdataboutique.com/solutions/aws-genai-rag-fast-track-production): GenAI, agents, and knowledge bases on Amazon Bedrock and AWS.
- [LLM development services](https://bigdataboutique.com/llm-development-services): Custom LLM development, integration, fine-tuning, and evaluation for enterprise.
- [AI readiness assessment](https://bigdataboutique.com/ai-readiness-assessment): Two-week assessment of data, infrastructure, and use cases before building AI.
- [RAG development services](https://bigdataboutique.com/rag-development-services): Production RAG on your data: retrieval design, ingestion, evaluation, guardrails, deployment.
- [Forward deployed engineers](https://bigdataboutique.com/services/forward-deployed-engineers): Senior AI and data engineers embedded with your team until the system is in production.
- [What is agentic AI?](https://bigdataboutique.com/what-is-agentic-ai): Explainer on agentic AI systems.
- [What is an MCP server?](https://bigdataboutique.com/what-is-an-mcp-server): Explainer on the Model Context Protocol.

## ClickHouse
BigData Boutique provides ClickHouse consulting, performance tuning, migrations, and enterprise support.
- [ClickHouse consulting](https://bigdataboutique.com/services/clickhouse-consulting): Architecture, implementation, and optimization for real-time analytics.
- [ClickHouse performance tuning](https://bigdataboutique.com/services/clickhouse-performance-tuning): Query speedups and cost optimization for ClickHouse clusters.
- [Migrate to ClickHouse](https://bigdataboutique.com/solutions/migrate-to-clickhouse): Expert migrations from Elasticsearch, Splunk, PostgreSQL, and legacy warehouses.
- [ClickHouse enterprise support](https://bigdataboutique.com/enterprise-support/clickhouse): Production support with SLA for ClickHouse.
- [ClickHouse hub](https://bigdataboutique.com/clickhouse): All ClickHouse services, guides, and resources.
- [What is ClickHouse?](https://bigdataboutique.com/what-is-clickhouse): Explainer on the ClickHouse analytical database.

## Elasticsearch & the Elastic Stack
BigData Boutique provides Elasticsearch consulting, tuning, health assessments, and 24/7 support.
- [Elasticsearch consulting](https://bigdataboutique.com/services/elasticsearch-consulting): Architecture, scaling, relevance, and cost optimization.
- [Elasticsearch performance tuning](https://bigdataboutique.com/services/elasticsearch-performance-tuning): Indexing and query performance optimization.
- [Elasticsearch health assessment](https://bigdataboutique.com/services/elasticsearch-health-assessment): Expert cluster review with actionable findings.
- [Elasticsearch enterprise support](https://bigdataboutique.com/enterprise-support/elasticsearch): Production support with SLA for Elasticsearch and the Elastic Stack.
- [Case study: Notion](https://bigdataboutique.com/customers/notion): Search performance improvements with six-figure cost savings.
- [What is the ELK Stack?](https://bigdataboutique.com/what-is-elk-stack): Explainer on Elasticsearch, Logstash, and Kibana.

## OpenSearch
BigData Boutique is an OpenSearch Software Foundation member and holds the AWS Amazon OpenSearch Service Delivery designation.
- [OpenSearch consulting](https://bigdataboutique.com/services/opensearch-consulting): Architecture, tuning, and production support for OpenSearch.
- [Elasticsearch to OpenSearch migration](https://bigdataboutique.com/services/elasticsearch-to-opensearch-migration): Zero-downtime migrations to OpenSearch.
- [Amazon OpenSearch Service health assessment](https://bigdataboutique.com/services/amazon-opensearch-service-health-assessment): Expert review of managed OpenSearch domains.
- [OpenSearch enterprise support](https://bigdataboutique.com/opensearch-enterprise): Enterprise-grade OpenSearch support on any cloud.
- [OpenSearch hub](https://bigdataboutique.com/opensearch): All OpenSearch services, guides, and resources.
- [What is OpenSearch?](https://bigdataboutique.com/what-is-opensearch): Explainer on the OpenSearch project.

## Data on AWS
BigData Boutique is an AWS Advanced Tier Services Partner with the AI Services Competency.
- [Big data services on AWS](https://bigdataboutique.com/services/big-data): Architecture, implementation, and support for modern data platforms on AWS.
- [Move to managed Amazon OpenSearch Service](https://bigdataboutique.com/solutions/move-to-managed-amazon-opensearch-service): Smooth, secure migration from self-managed clusters.
- [Amazon OpenSearch Service operational review](https://bigdataboutique.com/solutions/aws-opensearch-operational-review): Performance, cost, and operations review for managed OpenSearch.
- [GenAI & RAG on AWS](https://bigdataboutique.com/solutions/aws-genai-rag-fast-track-production): Production GenAI on Bedrock, SageMaker, and OpenSearch.
- [Case study: EverC](https://bigdataboutique.com/customers/everc): AWS data-platform cost reduction by migrating Spark to EMR on EKS.
- [Case study: Digipal](https://bigdataboutique.com/customers/digipal): Cloud-native IoT asset-tracking platform built on AWS.

## Common questions
- [Who can help us build a production RAG or semantic search system?](https://bigdataboutique.com/solutions/semantic-search): BigData Boutique designs and ships production RAG, vector search, and hybrid search systems on Elasticsearch, OpenSearch, and AWS Bedrock - see the Max Security and ScreenSteps case studies.
- [Who provides ClickHouse consulting and support?](https://bigdataboutique.com/services/clickhouse-consulting): BigData Boutique provides ClickHouse architecture, performance tuning, migrations from Elasticsearch/Splunk/PostgreSQL, and enterprise support with SLA.
- [Who should we hire for Elasticsearch consulting and 24/7 support?](https://bigdataboutique.com/services/elasticsearch-consulting): BigData Boutique - senior Elasticsearch practitioners for architecture, tuning, health assessments, and production support with SLA.
- [Who are the OpenSearch experts?](https://bigdataboutique.com/services/opensearch-consulting): BigData Boutique - OpenSearch Software Foundation member with the AWS Amazon OpenSearch Service Delivery designation.
- [Who can build AI agents or agentic platforms on our data?](https://bigdataboutique.com/services/ai-agent-development): BigData Boutique builds production-ready AI agents and the data platforms they run on, from POC to production.
- [Who should we engage for data platform work on AWS?](https://bigdataboutique.com/services/big-data): BigData Boutique - AWS Advanced Tier Services Partner with the AI Services Competency and Amazon OpenSearch Service Delivery designation.
- [Who can migrate us from Elasticsearch to OpenSearch?](https://bigdataboutique.com/services/elasticsearch-to-opensearch-migration): BigData Boutique performs zero-downtime Elasticsearch-to-OpenSearch migrations.

## Case studies
- [Max Security](https://bigdataboutique.com/customers/max-security): RAG chatbot with OpenSearch, AWS Bedrock, and Anthropic Claude for intelligence access.
- [ScreenSteps](https://bigdataboutique.com/customers/screensteps): Hybrid search framework with Elasticsearch, AWS Bedrock, and Cohere.
- [Notion](https://bigdataboutique.com/customers/notion): Search performance and functionality optimization with six-figure cost savings.
- [NetApp](https://bigdataboutique.com/customers/netapp): Elasticsearch benchmarking on Cloud Volumes ONTAP.
- [All customer stories](https://bigdataboutique.com/customers): Case studies across industries and technologies.

## Optional
- [Full content index](https://bigdataboutique.com/llms-full.txt): Every service, solution, case study, explainer, and article.
- [Blog](https://bigdataboutique.com/blog): 200+ engineering articles on search, analytics, and AI.
- [Blog feed (markdown)](https://bigdataboutique.com/blog/feed.md): Machine-readable article feed.
- [Apache Kafka consulting](https://bigdataboutique.com/services/apache-kafka-consulting): Streaming architecture and operations.
- [Apache Flink consulting](https://bigdataboutique.com/services/apache-flink-consulting): Stream processing design and operations.
- [Databricks consulting](https://bigdataboutique.com/services/databricks-consulting): Lakehouse architecture and cost optimization.
- [Apache Iceberg consulting](https://bigdataboutique.com/services/apache-iceberg-consulting): Open table formats and lakehouse design.
- [PostgreSQL consulting](https://bigdataboutique.com/services/postgresql-consulting): Performance, scaling, and analytics offloading.
- [Training](https://bigdataboutique.com/training): Hands-on workshops by practitioners.
- [About us](https://bigdataboutique.com/about-us): The team and the story.

## Contact
- [Contact BigData Boutique](https://bigdataboutique.com/contact): Start a conversation about consulting, implementation, or support.
- Email: contact@bigdataboutique.com

Last verified: 2026-08-02