diff --git a/src/common/src/tglobal.c b/src/common/src/tglobal.c
index 78cf1c2ffa05efadbdaf8d190ab4ea4a34ff81e6..6a0fc2a63d16ab9b69aed49b4ce5e9afa49759b0 100644
--- a/src/common/src/tglobal.c
+++ b/src/common/src/tglobal.c
@@ -199,8 +199,8 @@ float   tsTotalTmpDirGB = 0;
 float   tsTotalDataDirGB = 0;
 float   tsAvailTmpDirectorySpace = 0;
 float   tsAvailDataDirGB = 0;
-float   tsReservedTmpDirectorySpace = 0.1f;
-float   tsMinimalDataDirGB = 0.5f;
+float   tsReservedTmpDirectorySpace = 1.0f;
+float   tsMinimalDataDirGB = 1.0f;
 int32_t tsTotalMemoryMB = 0;
 int32_t tsVersion = 0;
 
diff --git a/src/util/src/tlog.c b/src/util/src/tlog.c
index c0f89e8465c35611cdf6437d8f8a64572ddc2d6b..76ea6fa1e55ff3749e72a6903d61befbd9cc1e64 100644
--- a/src/util/src/tlog.c
+++ b/src/util/src/tlog.c
@@ -67,7 +67,7 @@ int32_t tsLogKeepDays = 0;
 int32_t tsAsyncLog = 1;
 float   tsTotalLogDirGB = 0;
 float   tsAvailLogDirGB = 0;
-float   tsMinimalLogDirGB = 0.1f;
+float   tsMinimalLogDirGB = 1.0f;
 #ifdef _TD_POWER_
 char    tsLogDir[TSDB_FILENAME_LEN] = "/var/log/power";
 #else