How We Made Retain's Peak Memory Flat, from 4 MB to 90 MB Documents

· Hindsight Blog · Aug. 27, 2026, 3:21 p.m.
Summary
This blog post discusses a technical strategy implemented by Hindsight 0.9.2 to optimize the retain pipeline, keeping peak memory usage stable despite processing documents ranging from 4 MB to 90 MB. The focus is on managing memory budget efficiently rather than directly tied to the size of input documents.
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