Alexei Atavin Archives

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Alexei Atavin

Alexie Atavin is a Staff Software Engineer at Aiven, where he works within the metrics and logs team. His focus is on the continuous improvement of Aiven's OpenSearch, Redis, and Grafana offerings, driving automation code that powers these managed services.

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How a single space broke OpenSearch backups—and how Aiven fixed it

May 29, 2026

A single space in a KNN field name broke OpenSearch snapshots. Learn how Aiven traced the bug, reported it, and helped the community ship a fix in OpenSearch v2.17.... Read more.

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How a single space broke OpenSearch backups—and how Aiven fixed it

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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