From cb1b7513af17b44370896e7ba031654e99d10fa3 Mon Sep 17 00:00:00 2001
From: Kerollmops <clement@meilisearch.com>
Date: Wed, 29 Jan 2025 15:21:52 +0100
Subject: [PATCH] Log the memory metrics only once

---
 crates/milli/src/update/new/indexer/mod.rs | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/crates/milli/src/update/new/indexer/mod.rs b/crates/milli/src/update/new/indexer/mod.rs
index fd9e02b84..8b98bfba3 100644
--- a/crates/milli/src/update/new/indexer/mod.rs
+++ b/crates/milli/src/update/new/indexer/mod.rs
@@ -21,6 +21,7 @@ use crate::progress::Progress;
 use crate::update::GrenadParameters;
 use crate::vector::{ArroyWrapper, EmbeddingConfigs};
 use crate::{FieldsIdsMap, GlobalFieldsIdsMap, Index, InternalError, Result, ThreadPoolNoAbort};
+use std::sync::Once;
 
 pub(crate) mod de;
 pub mod document_changes;
@@ -33,6 +34,8 @@ mod post_processing;
 mod update_by_function;
 mod write;
 
+static LOG_MEMORY_METRICS_ONCE: Once = Once::new();
+
 /// This is the main function of this crate.
 ///
 /// Give it the output of the [`Indexer::document_changes`] method and it will execute it in the [`rayon::ThreadPool`].
@@ -93,12 +96,14 @@ where
         },
     );
 
-    tracing::debug!(
-        "Indexation allocated memory metrics - \
-        Total BBQueue size: {total_bbbuffer_capacity}, \
-        Total extractor memory: {:?}",
-        grenad_parameters.max_memory,
-    );
+    LOG_MEMORY_METRICS_ONCE.call_once(|| {
+        tracing::debug!(
+            "Indexation allocated memory metrics - \
+            Total BBQueue size: {total_bbbuffer_capacity}, \
+            Total extractor memory: {:?}",
+            grenad_parameters.max_memory,
+        );
+    });
 
     let (extractor_sender, writer_receiver) = pool
         .install(|| extractor_writer_bbqueue(&mut bbbuffers, total_bbbuffer_capacity, 1000))