Fanit Kolchina

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Fanit Kolchina is a senior programmer writer at AWS focusing on OpenSearch.

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Blog Posts & Articles by Fanit Kolchina

Most Recent Blog Posts

technical post

Transforming bucket aggregations: Our journey to 100x performance improvement

Tue, Aug 05, 2025

technical post

Scaling vector generation: Batch ML inference with OpenSearch Ingestion and ML Commons

Wed, Jul 30, 2025

Other Blog Posts

11 Jul 2025 The new semantic field: Simplifying semantic search in OpenSearch
10 Jul 2025 Advanced usage of the semantic field in OpenSearch
08 Jul 2025 Making ingestion smarter: System ingest pipelines in OpenSearch
07 Jul 2025 Building a multimodal search engine in OpenSearch
27 Jun 2025 Introduction to ML inference processors in OpenSearch: Review summarization and semantic search
11 Jun 2025 Neural sparse models are now available in Hugging Face Sentence Transformers
30 May 2025 Enhanced log analysis with OpenSearch PPL: Introducing lookup, join, and subsearch
29 May 2025 Optimizing inference processors for cost efficiency and performance
23 May 2025 Introducing common filter support for hybrid search queries
20 May 2025 Do more with less: Save up to 3x on storage with derived vector source
19 May 2025 Finding a replacement for JSM in OpenSearch 3.0
19 May 2025 Intelligent troubleshooting using OpenSearch 3.0's plan-execute-reflect agent
15 May 2025 Introducing MCP in OpenSearch
14 May 2025 OpenSearch Project update: Performance progress in OpenSearch 3.0
28 Apr 2025 Introducing the z-score normalization technique for hybrid search
22 Apr 2025 What's new in OpenSearch Query Insights: Advanced grouping, dashboards, and historical analysis
17 Apr 2025 Building effective hybrid search in OpenSearch: Techniques and best practices
16 Apr 2025 Navigating pagination in hybrid queries with the pagination_depth parameter
10 Apr 2025 A practical guide to selecting HNSW hyperparameters
10 Apr 2025 The power of star-tree indexes: Supercharging OpenSearch aggregations
25 Feb 2025 Efficient large-scale filtering with bitmap filtering in OpenSearch
19 Feb 2025 Reduce costs with disk-based vector search
13 Feb 2025 From chaos to clarity: Revolutionizing OpenSearch clients and documentation using a unified API specification
12 Feb 2025 Introducing reciprocal rank fusion for hybrid search
05 Feb 2025 Enhancing OpenSearch anomaly detection: Reducing false positives through algorithmic improvements
31 Jan 2025 Instant DeepSeek: One-click activation with OpenSearch
30 Jan 2025 Zero to RAG: A quick OpenSearch vector database and DeepSeek integration guide
29 Jan 2025 OpenSearch now supports DeepSeek chat models
22 Jan 2025 Introducing OpenSearch JavaScript client 3.0
07 Jan 2025 Solving the cold start search problem in OpenSearch
27 Dec 2024 Streamline OpenSearch Dashboards development with VS Code
23 Dec 2024 OpenSearch simplified: The power of Application-Based Configuration (ABC) templates
18 Dec 2024 Deep dive: Enabling pluggable storage in the OpenSearch vector engine
27 Nov 2024 OpenSearch Project update: A look at performance progress through version 2.17
26 Nov 2024 Introducing byte vector support for Faiss in the OpenSearch vector engine
25 Nov 2024 Optimize your OpenSearch costs using binary vectors
19 Nov 2024 Boosting k-NN exact search performance
07 Nov 2024 Introducing OpenSearch nightly playgrounds: Preview new OpenSearch features live
31 Oct 2024 Gain deeper insights with OpenSearch Query Insights
30 Oct 2024 Introducing enhanced search functionality on OpenSearch.org
24 Oct 2024 Tiered caching in OpenSearch
22 Oct 2024 Streamline your OpenSearch development workflow on macOS with Apple silicon
17 Oct 2024 How sorting works in hybrid queries
08 Oct 2024 Optimizing query performance: The implementation of the OpenSearch index request cache
17 Sep 2024 Introducing OpenSearch 2.17
27 Aug 2024 Boosting vector search performance with concurrent segment search
21 Aug 2024 Improving search efficiency and accuracy with the newest v2 neural sparse models
05 Dec 2023 Improving document retrieval with sparse semantic encoders
04 Oct 2023 Improve search relevance with hybrid search, generally available in OpenSearch 2.10
08 Aug 2023 New custom automated style workflow
25 Jul 2023 Introducing extensions for OpenSearch
20 Jul 2023 New for OpenSearch Dashboards: Long-running operation notifications and component templates
13 Jun 2023 Use flat object in OpenSearch
23 May 2023 Searchable snapshots are generally available in OpenSearch 2.7
04 May 2023 Reduce compute costs and increase throughput with segment replication, generally available in OpenSearch 2.7
30 Mar 2023 The ABCs of semantic search in OpenSearch: Architectures, benchmarks, and combination strategies
15 Mar 2023 Getting started with multilayer maps in OpenSearch
13 Feb 2023 Building a semantic search engine in OpenSearch
09 Dec 2022 Launch highlight: Paginate with Point in Time
10 Oct 2022 Snapshot Management (SM): A new way to automate snapshots