https://maheshbabugorantla.github.io/tags/data-prepper/Recent content in Data-Prepper on Mahesh Babu Gorantla - Tech BlogHugo -- 0.160.0en-usWed, 18 Mar 2026 12:00:00 -0600https://maheshbabugorantla.github.io/posts/monitoring-llm-usage-opensearch-openllmetry/Wed, 18 Mar 2026 12:00:00 -0600https://maheshbabugorantla.github.io/posts/monitoring-llm-usage-opensearch-openllmetry/A hands-on guide to monitoring LLM cost, latency, and errors with OpenSearch and OpenLLMetry. From zero-code instrumentation to a full 9-panel cost dashboard — including the field-mapping gotchas that cost me a full debugging session.