From b5cbc35a0d788b6f9cb7b70c32dd05900b35f47d Mon Sep 17 00:00:00 2001
From: Yingwen <realevenyag@gmail.com>
Date: Thu, 27 Nov 2025 11:49:02 +0800
Subject: [PATCH] fix: partition tree metric should the delta (#7307)

Signed-off-by: evenyag <realevenyag@gmail.com>
---
 src/mito2/src/memtable/partition_tree/dict.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mito2/src/memtable/partition_tree/dict.rs b/src/mito2/src/memtable/partition_tree/dict.rs
index 62adda62bb..77cc835ea0 100644
--- a/src/mito2/src/memtable/partition_tree/dict.rs
+++ b/src/mito2/src/memtable/partition_tree/dict.rs
@@ -103,7 +103,7 @@ impl KeyDictBuilder {
         self.key_bytes_in_index += full_primary_key.len() + sparse_key_len;
 
         // Adds key size of index to the metrics.
-        MEMTABLE_DICT_BYTES.add(self.key_bytes_in_index as i64);
+        MEMTABLE_DICT_BYTES.add((full_primary_key.len() + sparse_key_len) as i64);
 
         pk_index
     }