From c06c5d443479cdcd9284074370fa16f4013bda80 Mon Sep 17 00:00:00 2001
From: Gavin Chou <gavin@selectdb.com>
Date: Fri, 28 Nov 2025 15:15:03 +0800
Subject: [PATCH] [chore](FE) Log meta module size when doing checkpoint
 (#58478)

---
 .../main/java/org/apache/doris/persist/meta/MetaWriter.java    | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/persist/meta/MetaWriter.java b/fe/fe-core/src/main/java/org/apache/doris/persist/meta/MetaWriter.java
index 06136f509b5712..a58e7afacc4f33 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/persist/meta/MetaWriter.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/persist/meta/MetaWriter.java
@@ -113,11 +113,14 @@ public static void write(File imageFile, Env env) throws IOException {
             // 2. write other modules
             for (MetaPersistMethod m : PersistMetaModules.MODULES_IN_ORDER) {
                 checksum.setRef(writer.doWork(m.name, () -> {
+                    long cnt1 = dos.getCount();
                     try {
                         return (long) m.writeMethod.invoke(env, dos, checksum.getRef());
                     } catch (IllegalAccessException | InvocationTargetException e) {
                         LOG.warn("failed to write meta module: {}", m.name, e);
                         throw new RuntimeException(e);
+                    } finally {
+                        LOG.info("write meta module: {} size in bytes: {}", m.name, dos.getCount() - cnt1);
                     }
                 }));
             }