diff --git a/curvefs/src/client/s3/client_s3_adaptor.cpp b/curvefs/src/client/s3/client_s3_adaptor.cpp
index 66dc283b04..d3470f719d 100644
--- a/curvefs/src/client/s3/client_s3_adaptor.cpp
+++ b/curvefs/src/client/s3/client_s3_adaptor.cpp
@@ -117,8 +117,8 @@ int S3ClientAdaptorImpl::Write(uint64_t inodeId, uint64_t offset,
         uint64_t size = fsCacheManager_->GetDataCacheSize();
         uint64_t maxSize = fsCacheManager_->GetDataCacheMaxSize();
         if ((size + pendingReq * fuseMaxSize_) >= maxSize) {
-            LOG(INFO) << "write cache is full, wait flush. size:" << size
-                      << ", maxSize:" << maxSize;
+            VLOG(6) << "write cache is full, wait flush. size: " << size
+                    << ", maxSize:" << maxSize;
             // offer to do flush
             waitInterval_.StopWait();
             fsCacheManager_->WaitFlush();
@@ -136,8 +136,8 @@ int S3ClientAdaptorImpl::Write(uint64_t inodeId, uint64_t offset,
         if (needSleep) {
             uint32_t exponent = pow(2, (exceedRatio) / 10);
             bthread_usleep(throttleBaseSleepUs_ * exceedRatio * exponent);
-            LOG(INFO) << "write cache is nearfull and use ratio is: "
-                      << memCacheRatio << ", exponent is: " << exponent;
+            VLOG(6) << "write cache nearfull and use ratio is: "
+                    << memCacheRatio << ", exponent is: " << exponent;
         }
     }
     int ret = fileCacheManager->Write(offset, length, buf);
diff --git a/curvefs/src/client/s3/disk_cache_manager_impl.cpp b/curvefs/src/client/s3/disk_cache_manager_impl.cpp
index 88e8a739f4..6624abae15 100644
--- a/curvefs/src/client/s3/disk_cache_manager_impl.cpp
+++ b/curvefs/src/client/s3/disk_cache_manager_impl.cpp
@@ -95,7 +95,7 @@ int DiskCacheManagerImpl::WriteDiskFile(const std::string name, const char *buf,
     VLOG(9) << "write name = " << name << ", length = " << length;
     // if cache disk is full
     if (diskCacheManager_->IsDiskCacheFull()) {
-        VLOG(3) << "write disk file fail, disk full.";
+        VLOG(6) << "write disk file fail, disk full.";
         return -1;
     }
     // write to cache disk
@@ -126,7 +126,7 @@ int DiskCacheManagerImpl::WriteDiskFile(const std::string name, const char *buf,
 int DiskCacheManagerImpl::WriteReadDirect(const std::string fileName,
                                           const char *buf, uint64_t length) {
     if (diskCacheManager_->IsDiskCacheFull()) {
-        VLOG(3) << "write disk file fail, disk full.";
+        VLOG(6) << "write disk file fail, disk full.";
         return -1;
     }
     int ret = diskCacheManager_->WriteReadDirect(fileName, buf, length);