From the HackerLinks archive

Persistent agent memory layer on Elasticsearch

Elasticsearch-backed memory layer for agents with hybrid recall and reranking.

At a glance:
First seen:2026-06-18
Last seen:2026-06-18
Times seen:1
Website:elastic.co

The short version

Elasticsearch-backed memory layer for agents with hybrid recall and reranking.

Why it caught our attention

Commenters treated it as a serious architecture discussion, not just a hype post about memory.

Where it surfaced on Hacker News

2026-06-18

Editorial paraphrase

Replies compared Elasticsearch with SQLite, LanceDB, and markdown files while debating recall@10 and memory design.

Original thread

We built a persistent agent memory layer on Elasticsearch with 0.89 recall