From c3f48587fd785647ee4304dda055e25e9edfea0d Mon Sep 17 00:00:00 2001 From: Benjamin Trent <4357155+benwtrent@users.noreply.github.com> Date: Fri, 27 Oct 2023 15:52:26 -0400 Subject: [PATCH] Adding CHANGES for PR #12582 --- lucene/CHANGES.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/lucene/CHANGES.txt b/lucene/CHANGES.txt index c5904daf311..bc134eba53e 100644 --- a/lucene/CHANGES.txt +++ b/lucene/CHANGES.txt @@ -167,6 +167,9 @@ New Features * GITHUB#12685: Lucene now records if documents have been indexed as blocks in SegmentInfo. This is recorded on a per segment basis and maintained across merges. The property is exposed via LeafReaderMetadata. (Simon Willnauer) +* GITHUB#12582: Add int8 scalar quantization to the HNSW vector format. This optionally allows for more compact lossy + storage for the vectors, requiring about 75% memory for fast HNSW search. (Ben Trent) + Improvements --------------------- * GITHUB#12523: TaskExecutor waits for all tasks to complete before returning when Exceptions