From 59c1511bcacedddc354e82033d523f459c6db5d4 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Sat, 24 Oct 2026 20:28:36 +0200
Subject: cache heads

To reduce the number of write locks, heads are now cached.
---
 src/api/stats.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/api/stats.rs')

diff --git a/src/api/stats.rs b/src/api/stats.rs
index bc925ff..838cc0f 100644
--- a/src/api/stats.rs
+++ b/src/api/stats.rs
@@ -134,8 +134,8 @@ async fn collect(state: &AppState) -> StatsResponse {
     let node = state.stats.snapshot();
 
     let (heads, tier) = {
-        let mut replica = state.doc.write().await;
-        let heads = replica.doc.get_heads().len();
+        let replica = state.doc.read().await;
+        let heads = replica.heads().len();
         (heads, members::tier(&replica.doc, state.local_id()))
     };
     let saved = state.stats.saved_size();
-- 
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