Ankit Jain Archives - OpenSearch

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Ankit Jain

Ankit Jain is a Software Engineer on the Amazon OpenSearch Service team, where he leads development and performance initiatives for search infrastructure at scale. He is an active maintainer and committer for Apache Lucene and OpenSearch projects. Ankit brings deep hands-on experience from operating large-scale OpenSearch deployments, where he has tackled complex performance and debugging challenges in real-world production environments. Ankit holds a Bachelors in Computer Science and Engineering from Indian Institute of Technology (IIT Delhi).
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Transforming bucket aggregations: Our journey to 100x performance improvement

August 5, 2025

Learn how OpenSearch improves the performance of date histogram aggregations by using the BKD index tree, with support for sub-aggregations and multi-range traversal.... Read more.

Tiered caching in OpenSearch

October 24, 2024

For performance-intensive applications like OpenSearch, caching is an essential optimization. Caching stores data so that future requests can be served faster, improving... Read more.

Using search latency monitoring at the coordinator-node-level

October 1, 2024

Responsiveness is core to any search solution, and communication delays between search requests and responses can present problems for your users. This is why many... Read more.

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Transforming bucket aggregations: Our journey to 100x performance improvement

Tiered caching in OpenSearch

Using search latency monitoring at the coordinator-node-level

OpenSearch is a community-driven, Apache 2.0-licensed open source search and analytics suite that makes it easy to ingest, search, visualize, and analyze data.

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