diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index 94f85f5007..c20f55e8fb 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -660,6 +660,8 @@ static int32_t taosAddServerCfg(SConfig *pCfg) {
   if (cfgAddString(pCfg, "s3Accesskey", tsS3AccessKey, CFG_SCOPE_SERVER) != 0) return -1;
   if (cfgAddString(pCfg, "s3Endpoint", tsS3Endpoint, CFG_SCOPE_SERVER) != 0) return -1;
   if (cfgAddString(pCfg, "s3BucketName", tsS3BucketName, CFG_SCOPE_SERVER) != 0) return -1;
+  if (cfgAddInt32(pCfg, "s3BlockSize", tsS3BlockSize, 2048, 1024 * 1024, CFG_SCOPE_SERVER) != 0) return -1;
+  if (cfgAddInt32(pCfg, "s3BlockCacheSize", tsS3BlockCacheSize, 4, 1024 * 1024, CFG_SCOPE_SERVER) != 0) return -1;
 
   // min free disk space used to check if the disk is full [50MB, 1GB]
   if (cfgAddInt64(pCfg, "minDiskFreeSize", tsMinDiskFreeSize, TFS_MIN_DISK_FREE_SIZE, 1024 * 1024 * 1024,
@@ -1075,6 +1077,9 @@ static int32_t taosSetServerCfg(SConfig *pCfg) {
   tsResolveFQDNRetryTime = cfgGetItem(pCfg, "resolveFQDNRetryTime")->i32;
   tsMinDiskFreeSize = cfgGetItem(pCfg, "minDiskFreeSize")->i64;
 
+  tsS3BlockSize = cfgGetItem(pCfg, "s3BlockSize")->i32;
+  tsS3BlockCacheSize = cfgGetItem(pCfg, "s3BlockCacheSize")->i32;
+
   GRANT_CFG_GET;
   return 0;
 }
@@ -1647,6 +1652,20 @@ void taosCfgDynamicOptions(const char *option, const char *value) {
     return;
   }
 
+  if (strcasecmp(option, "s3BlockSize") == 0) {
+    int32_t newS3BlockSize = atoi(value);
+    uInfo("s3BlockSize set from %d to %d", tsS3BlockSize, newS3BlockSize);
+    tsS3BlockSize = newS3BlockSize;
+    return;
+  }
+
+  if (strcasecmp(option, "s3BlockCacheSize") == 0) {
+    int32_t newS3BlockCacheSize = atoi(value);
+    uInfo("s3BlockCacheSize set from %d to %d", tsS3BlockCacheSize, newS3BlockCacheSize);
+    tsS3BlockCacheSize = newS3BlockCacheSize;
+    return;
+  }
+
   if (strcasecmp(option, "keepTimeOffset") == 0) {
     int32_t newKeepTimeOffset = atoi(value);
     uInfo("keepTimeOffset set from %d to %d", tsKeepTimeOffset, newKeepTimeOffset);