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Ben a69bdbb55f
How We Built a 4-Way Hybrid Search System That Actually Runs in Parallel (#708) 
* Add blog: How We Built a 4-Way Parallel Hybrid Search System

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Add cover image for parallel hybrid search post

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

* Update parallel hybrid search post date to 2026-03-27

* Set author to chrislatimer

* Update recall docs link

* review: align blog post to actual retrieval code

- Reframe as evolutionary narrative (V1 asyncio.gather → connection sharing)
- Add missing reranker section (cross-encoder + multiplicative boost scoring)
- Replace MPFP references with LinkExpansion (3-signal CTE)
- Fix SQL to match actual UNION ALL approach, explain CTE planner issue
- Fix acquire_with_retry, index types (ivfflat→HNSW), fusion code
- Remove fabricated perf numbers
- Add alpha calibration rationale and connection contention insight

* add nicoloboschi and benfrank241 as co-authors

---------

Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-authored-by: Nicolò Boschi <boschi1997@gmail.com>
2026-03-27 11:21:01 -04:00
..
2026-01-28-learning-capabilities.md doc: split blog index into Hindsight and Hindsight Cloud sections (#534) 2026-03-10 13:32:43 +01:00
2026-02-09-resolving-memory-conflicts.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-02-13-version-0-4-11.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-02-18-version-0-4-12.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-02-26-chat.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-02-27-version-0-4-13-0-4-14.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-02-crewai.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-03-litellm.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-03-version-0-4-15.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-04-mcp-agent-memory.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-05-add-memory-to-openai-application.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-05-version-0-4-16.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-06-adding-memory-to-openclaw-with-hindsight.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-09-hindsight-document-upload.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-09-pydantic-ai-persistent-memory.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-10-run-hindsight-with-ollama.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-10-version-0-4-17.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-11-hindsight-cloud-api-key-management.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-12-spreading-activation-memory-graphs.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-13-disposition-aware-agents.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-13-version-0-4-18.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-17-hermes-agent-memory.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-17-streamlit-chatbot-memory.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-18-version-0-4-19.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-19-nemoclaw-memory.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-23-agent-memory-benchmark.mdx Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-23-claude-code-telegram.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-24-langgraph-longterm-memory.md Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00
2026-03-24-version-0-4-20.md docs: 0.4.20 release blog post and changelog (#671) 2026-03-24 10:03:33 +01:00
2026-03-25-strands-persistent-memory.md blog: Your AWS Strands Agent Forgets Everything Between Runs. Here's the Fix. (#685) 2026-03-25 10:37:37 -04:00
2026-03-26-llamaindex-agent-memory.md Teaching the Llama to Remember (#707) 2026-03-26 15:44:18 -04:00
2026-03-27-parallel-hybrid-search.md How We Built a 4-Way Hybrid Search System That Actually Runs in Parallel (#708) 2026-03-27 11:21:01 -04:00
authors.yml Blog: Adding Long-Term Memory to LangGraph and LangChain Agents (#637) 2026-03-24 13:51:27 -04:00