From 2b0e17ede0a113f5694d3407431eef394ca60663 Mon Sep 17 00:00:00 2001
From: Kerollmops <clement@meilisearch.com>
Date: Thu, 6 Feb 2025 15:28:10 +0100
Subject: [PATCH] Make sure arroy is using the rayon thread-pool

---
 crates/milli/src/update/new/indexer/mod.rs | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/crates/milli/src/update/new/indexer/mod.rs b/crates/milli/src/update/new/indexer/mod.rs
index 8b98bfba3..bb8292750 100644
--- a/crates/milli/src/update/new/indexer/mod.rs
+++ b/crates/milli/src/update/new/indexer/mod.rs
@@ -191,13 +191,16 @@ where
 
         indexing_context.progress.update_progress(IndexingStep::WritingEmbeddingsToDatabase);
 
-        build_vectors(
-            index,
-            wtxn,
-            index_embeddings,
-            &mut arroy_writers,
-            &indexing_context.must_stop_processing,
-        )?;
+        pool.install(|| {
+            build_vectors(
+                index,
+                wtxn,
+                index_embeddings,
+                &mut arroy_writers,
+                &indexing_context.must_stop_processing,
+            )
+        })
+        .unwrap()?;
 
         post_processing::post_process(
             indexing_context,