From bc25fed811f2c184a6542301a6d5b814da612a2b Mon Sep 17 00:00:00 2001
From: Shengliang Guan <slguan@taosdata.com>
Date: Fri, 4 Mar 2022 10:15:48 +0800
Subject: [PATCH] minor changes

---
 source/dnode/mnode/impl/src/mnode.c | 2 ++
 source/os/src/osSysinfo.c           | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/source/dnode/mnode/impl/src/mnode.c b/source/dnode/mnode/impl/src/mnode.c
index 55a61b75bc..213b4ac9d7 100644
--- a/source/dnode/mnode/impl/src/mnode.c
+++ b/source/dnode/mnode/impl/src/mnode.c
@@ -533,6 +533,8 @@ void mndGetLoad(SMnode *pMnode, SMnodeLoad *pLoad) {
 
 int32_t mndGetMonitorInfo(SMnode *pMnode, SMonClusterInfo *pClusterInfo, SMonVgroupInfo *pVgroupInfo,
                           SMonGrantInfo *pGrantInfo) {
+  if (!mndIsMaster(pMnode)) return;
+
   SSdb   *pSdb = pMnode->pSdb;
   int64_t ms = taosGetTimestampMs();
 
diff --git a/source/os/src/osSysinfo.c b/source/os/src/osSysinfo.c
index c674aeaca2..12952141a4 100644
--- a/source/os/src/osSysinfo.c
+++ b/source/os/src/osSysinfo.c
@@ -539,7 +539,7 @@ int32_t taosGetDiskSize(char *dataDir, SDiskSize *diskSize) {
   } else {
     diskSize->total = info.f_blocks * info.f_frsize;
     diskSize->avail = info.f_bavail * info.f_frsize;
-    diskSize->used = (info.f_blocks - info.f_bfree) * info.f_frsize;
+    diskSize->used = diskSize->total - diskSize->avail;
     return 0;
   }
 }