Akhil Pathivada

Feature Request: System tasks should support execution log indexing like worker tasks

4

**Describe the bug** System tasks (LAMBDA, EVENT, HTTP, etc.) cannot add execution logs during task execution, unlike worker tasks which can add logs via `TaskResult.getLogs()`. This creates a significant gap...

[Feature Request] Add QPS-Latency tradeoff metrics for Streaming Tests

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## Summary **Streaming Tests** currently report a single "Max QPS" value per stage, but don't expose the **QPS-Latency tradeoff curve** - the relationship between throughput and response time under concurrent...

feat(oss-opensearch): Add KNN derived source configuration option

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## Problem OpenSearch 3.x+ enables `knn.derived_source.enabled` by default, which allows OpenSearch to derive vectors from the vector values file instead of storing them in the `_source` field. However, users need...

[BLOG] Lucene HNSW performance: A deep dive into the OS page cache

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### Description This pull request introduces a new technical blog post, "Lucene HNSW performance: A deep dive into the OS page cache." The article explains the critical role of the...

### Describe the blog post This blog helps to understand how Lucene HNSW performance in OpenSearch depends on the OS page cache, not the JVM heap, and learn how to...