diff --git a/mindspore/ccsrc/dataset/api/de_pipeline.cc b/mindspore/ccsrc/dataset/api/de_pipeline.cc
index b8302554c00e8f296d3ce45971c0089caf575ac6..5308cd325954a5385f4462bbfd6787a6d49730c7 100644
--- a/mindspore/ccsrc/dataset/api/de_pipeline.cc
+++ b/mindspore/ccsrc/dataset/api/de_pipeline.cc
@@ -136,7 +136,7 @@ void DEPipeline::PrintTree() {
   for (auto itr = tree_->begin(); itr != tree_->end(); ++itr) {
     std::stringstream ss;
     ss << *itr;
-    MS_LOG(INFO) << "Operator ID is " << itr->id() << ". Details: " << ss.str().c_str() << ".";
+    MS_LOG(DEBUG) << "Operator ID is " << itr->id() << ". Details: " << ss.str().c_str() << ".";
   }
 }
 
diff --git a/mindspore/ccsrc/dataset/core/tensor.cc b/mindspore/ccsrc/dataset/core/tensor.cc
index 083fe85364772a3a490eee002277137f33550e03..54e11ca0fbe74cfec98241b604bf03be39b6330f 100644
--- a/mindspore/ccsrc/dataset/core/tensor.cc
+++ b/mindspore/ccsrc/dataset/core/tensor.cc
@@ -502,7 +502,7 @@ Status Tensor::InsertTensor(const std::vector<dsize_t> &ind, const std::shared_p
   err_msg += (!StartAddrOfIndex(ind, &start_addr_of_ind, &remaining_shape).IsOk()) ? "[Tensor] incorrect index\n" : "";
   err_msg += !(remaining_shape == tensor->shape()) ? "[Tensor] memory error\n" : "";
   if (!err_msg.empty()) {
-    MS_LOG(INFO) << "Insert tensor message: " << err_msg;
+    MS_LOG(DEBUG) << "Insert tensor message: " << err_msg;
     RETURN_STATUS_UNEXPECTED(err_msg);
   } else {
     if (start_addr_of_ind != nullptr) {
@@ -512,7 +512,7 @@ Status Tensor::InsertTensor(const std::vector<dsize_t> &ind, const std::shared_p
         return Status::OK();
       } else {
         err_msg += "[Tensor] error in memcpy_s when inserting tensor\n";
-        MS_LOG(INFO) << "Tensor message: " << err_msg;
+        MS_LOG(DEBUG) << "Tensor message: " << err_msg;
         RETURN_STATUS_UNEXPECTED(err_msg);
       }
     } else {
diff --git a/mindspore/ccsrc/dataset/engine/connector.h b/mindspore/ccsrc/dataset/engine/connector.h
index de8ebb8ba3e6fcbeeb715249a52adb4f4d98c7e8..085b790ec565dc4d4e483772e21cd241ac5c9b3e 100644
--- a/mindspore/ccsrc/dataset/engine/connector.h
+++ b/mindspore/ccsrc/dataset/engine/connector.h
@@ -73,7 +73,7 @@ class Connector {
   // @param queue_capacity The number of element (DataBuffer) for each queue.
   Connector(int32_t n_producers, int32_t n_consumers, int32_t queue_capacity)
       : num_producers_(n_producers), num_consumers_(n_consumers) {
-    MS_LOG(INFO) << "A connector is created with " << n_producers << " producers and " << n_consumers << " consumers.";
+    MS_LOG(DEBUG) << "A connector is created with " << n_producers << " producers and " << n_consumers << " consumers.";
     my_name_ = Services::GetUniqueID();
     // We require the consumers to have ids sequentially from 0 to the num_consumers_-1,
     // Otherwise a ordered list of consumer ids have to be passed here. (not implemented yet)
@@ -138,7 +138,7 @@ class Connector {
     }
     expect_consumer_ = 0;
     pop_from_ = 0;
-    MS_LOG(INFO) << "Connector counters reset.";
+    MS_LOG(DEBUG) << "Connector counters reset.";
   }
 
   void Print(std::ostream &out, bool showAll) const {
diff --git a/mindspore/ccsrc/dataset/engine/data_schema.cc b/mindspore/ccsrc/dataset/engine/data_schema.cc
index db2fed41bd490bb053803834187d6f1fb4a2c92f..9b86d18912a4cc97193a43419e7a18fa91464430 100644
--- a/mindspore/ccsrc/dataset/engine/data_schema.cc
+++ b/mindspore/ccsrc/dataset/engine/data_schema.cc
@@ -66,8 +66,8 @@ ColDescriptor::ColDescriptor(const std::string &col_name, DataType col_type, Ten
   // the input rank
   if (in_shape != nullptr && in_shape->known() && in_shape->Size() != rank_) {
     rank_ = in_shape->Size();
-    MS_LOG(INFO) << "Rank does not match the number of dimensions in the provided shape."
-                 << " Overriding rank with the number of dimensions in the provided shape.";
+    MS_LOG(WARNING) << "Rank does not match the number of dimensions in the provided shape."
+                    << " Overriding rank with the number of dimensions in the provided shape.";
   }
 }
 
diff --git a/mindspore/ccsrc/dataset/engine/dataset_iterator.cc b/mindspore/ccsrc/dataset/engine/dataset_iterator.cc
index dac281aeaef0b56f6dd3251137600a8f84e12b38..011e60cc246efa881c85969f91168439da8ca6b1 100644
--- a/mindspore/ccsrc/dataset/engine/dataset_iterator.cc
+++ b/mindspore/ccsrc/dataset/engine/dataset_iterator.cc
@@ -110,7 +110,7 @@ Status DatasetIterator::FetchNextTensorRow(TensorRow *out_row) {
     // An eoe buffer will be immediately followed by an eof buffer, which signals the shutdown of
     // all operators.
     if (curr_buffer_->eoe()) {
-      MS_LOG(INFO) << "End of data iteration. Fetch eof and then return empty row.";
+      MS_LOG(DEBUG) << "End of data iteration. Fetch eof and then return empty row.";
 
       // Before returning the last empty vector, fetch the eof buffer which should be the last
       // buffer, and then free it.
@@ -199,13 +199,13 @@ Status ChildIterator::FetchNextTensorRow(TensorRow *out_row) {
     // Instead, if an eoe is picked up here, we simply return an empty vector and it's up to the
     // caller to decide what it wants to do next.
     if (curr_buffer_->eoe()) {
-      MS_LOG(INFO) << "Child iterator picked up EOE.";
+      MS_LOG(DEBUG) << "Child iterator picked up EOE.";
       end_epoch_ = true;
       return Status::OK();
     }
 
     if (curr_buffer_->eof()) {
-      MS_LOG(INFO) << "Child iterator picked up EOF.";
+      MS_LOG(DEBUG) << "Child iterator picked up EOF.";
       eof_handled_ = true;
       return Status::OK();
     }
@@ -226,10 +226,10 @@ Status ChildIterator::Drain() {
     // - drain (will not actually drain because you are already at the end of the iteration)
     // However, the next time after that, it will perform it's normal draining activities.
     end_epoch_ = false;
-    MS_LOG(INFO) << "No operation drain, already at end of epoch.";
+    MS_LOG(DEBUG) << "No operation drain, already at end of epoch.";
     return Status::OK();
   }
-  MS_LOG(INFO) << "Child draining buffers until eoe.";
+  MS_LOG(DEBUG) << "Child draining buffers until eoe.";
   // else we drain until eoe or eof, eof here is for sanity check
   while (!curr_buffer_->eoe() && !curr_buffer_->eof()) {
     RETURN_IF_NOT_OK(current_op_->GetNextInput(&curr_buffer_, worker_id_, child_idx_));
diff --git a/mindspore/ccsrc/dataset/engine/datasetops/dataset_op.cc b/mindspore/ccsrc/dataset/engine/datasetops/dataset_op.cc
index 6787b7bbaa6b6464ee1182788f4a2757eaa95b1a..9ee6e706aadee3bff6e5cd9e5dd6500b49a92603 100644
--- a/mindspore/ccsrc/dataset/engine/datasetops/dataset_op.cc
+++ b/mindspore/ccsrc/dataset/engine/datasetops/dataset_op.cc
@@ -79,15 +79,15 @@ std::shared_ptr<DatasetOp> DatasetOp::child(int32_t child_index) const {
 
 // Creates the connector within this operator
 void DatasetOp::CreateConnector(int32_t num_producers, int32_t num_consumers) {
-  MS_LOG(INFO) << "Creating connector in tree operator: " << operator_id_ << ". Producer: " << num_producers
-               << ". Consumer: " << num_consumers << ".";
+  MS_LOG(DEBUG) << "Creating connector in tree operator: " << operator_id_ << ". Producer: " << num_producers
+                << ". Consumer: " << num_consumers << ".";
   if (oc_queue_size_ > 0) {
     out_connector_ = std::make_unique<DbConnector>(num_producers,  // The number of producers
                                                    num_consumers,  // Only one consumer (the training App)
                                                    oc_queue_size_);
   } else {
     // Some op's may choose not to have an output connector
-    MS_LOG(INFO) << "Bypassed connector creation for tree operator: " << operator_id_ << ".";
+    MS_LOG(DEBUG) << "Bypassed connector creation for tree operator: " << operator_id_ << ".";
     out_connector_ = nullptr;
   }
 }
@@ -246,7 +246,7 @@ Status DatasetOp::AssignColMapFromChild() {
         RETURN_STATUS_UNEXPECTED("Child column name map cannot be empty!");
       }
     }
-    MS_LOG(INFO) << "Setting column map after first fetch:\n" << DatasetOp::ColumnNameMapAsString();
+    MS_LOG(DEBUG) << "Setting column map after first fetch:\n" << DatasetOp::ColumnNameMapAsString();
   }
   return Status::OK();
 }
diff --git a/mindspore/ccsrc/dataset/engine/datasetops/map_op.cc b/mindspore/ccsrc/dataset/engine/datasetops/map_op.cc
index ec3a09154bd456801bdf1c975b5a22961acd3a64..008ff09c99ae72f5b0d947247f75be31f9639bd1 100644
--- a/mindspore/ccsrc/dataset/engine/datasetops/map_op.cc
+++ b/mindspore/ccsrc/dataset/engine/datasetops/map_op.cc
@@ -313,7 +313,7 @@ Status MapOp::WorkerEntryInit(const DataBuffer *in_buf) {
     }
   }  // mutex lock will release here
 
-  MS_LOG(INFO) << "Column name map for map op set: " << this->ColumnNameMapAsString();
+  MS_LOG(DEBUG) << "Column name map for map op set: " << this->ColumnNameMapAsString();
   return Status::OK();
 }
 
diff --git a/mindspore/ccsrc/dataset/engine/datasetops/project_op.cc b/mindspore/ccsrc/dataset/engine/datasetops/project_op.cc
index 73d58d785eb4d4602018b94c50c320d772a4a05c..063c618aeb712dbd8cd6e8d86415b8adf30e7e81 100644
--- a/mindspore/ccsrc/dataset/engine/datasetops/project_op.cc
+++ b/mindspore/ccsrc/dataset/engine/datasetops/project_op.cc
@@ -120,10 +120,10 @@ Status ProjectOp::operator()() { RETURN_STATUS_UNEXPECTED("Logic error. ProjectO
 
 int32_t ProjectOp::num_consumers() const {
   if (parent_.empty()) {
-    MS_LOG(INFO) << "Project operator, no parent node, assuming it's the root and returning 1.";
+    MS_LOG(DEBUG) << "Project operator, no parent node, assuming it's the root and returning 1.";
     return 1;
   } else if (parent_[0] == nullptr) {
-    MS_LOG(INFO) << "Project operator, pointer to the first parent is null. Returning 0.";
+    MS_LOG(DEBUG) << "Project operator, pointer to the first parent is null. Returning 0.";
     return 0;
   } else {
     return parent_[0]->num_consumers();
@@ -132,7 +132,7 @@ int32_t ProjectOp::num_consumers() const {
 
 int32_t ProjectOp::num_producers() const {
   if (child_.empty() || child_[0] == nullptr) {
-    MS_LOG(INFO) << "Project operator, pointer to child node is null. Returning 0.";
+    MS_LOG(DEBUG) << "Project operator, pointer to child node is null. Returning 0.";
     return 0;
   } else {
     return child_[0]->num_producers();
diff --git a/mindspore/ccsrc/dataset/engine/datasetops/rename_op.cc b/mindspore/ccsrc/dataset/engine/datasetops/rename_op.cc
index e4715a8fac73bb2724ae0ab91541292678684414..c026aac4fa9e4898916cf97a5e86965af23ddb02 100644
--- a/mindspore/ccsrc/dataset/engine/datasetops/rename_op.cc
+++ b/mindspore/ccsrc/dataset/engine/datasetops/rename_op.cc
@@ -84,13 +84,13 @@ Status RenameOp::operator()() {
     }  // end of while eoe loop
 
     // we got eoe, now try again until we get eof
-    MS_LOG(INFO) << "Rename operator EOE Received.";
+    MS_LOG(DEBUG) << "Rename operator EOE Received.";
     RETURN_IF_NOT_OK(out_connector_->Add(0, std::move(std::make_unique<DataBuffer>(0, DataBuffer::kDeBFlagEOE))));
     MS_LOG(DEBUG) << "Rename operator fetching buffer after EOE.";
     RETURN_IF_NOT_OK(GetNextInput(&curr_buffer));
   }  // end of while eof loop
 
-  MS_LOG(INFO) << "Rename opeerator EOF Received.";
+  MS_LOG(DEBUG) << "Rename opeerator EOF Received.";
   RETURN_IF_NOT_OK(out_connector_->Add(0, std::move(std::make_unique<DataBuffer>(0, DataBuffer::kDeBFlagEOF))));
   return Status::OK();
 }
@@ -116,18 +116,18 @@ Status RenameOp::RenameColumns() {
       // found
       found += 1;
       int index = std::distance(in_columns_.begin(), it);
-      MS_LOG(INFO) << "Rename operator index found " << index << " value " << id << ".";
+      MS_LOG(DEBUG) << "Rename operator index found " << index << " value " << id << ".";
 
       new_col_name_id_map[out_columns_[index]] = id;
     } else {
       // not found
-      MS_LOG(INFO) << "Rename operator index not found: " << id << " is the column id.";
+      MS_LOG(DEBUG) << "Rename operator index not found: " << id << " is the column id.";
       new_col_name_id_map[name] = id;
     }
   }
   // only checks number of renamed columns have been found, this input check doesn't check everything
   if (found != in_columns_.size()) {
-    MS_LOG(INFO) << "Rename operator column names found: " << found << " out of " << in_columns_.size() << ".";
+    MS_LOG(DEBUG) << "Rename operator column names found: " << found << " out of " << in_columns_.size() << ".";
     std::string err_msg = "Renamed column doesn't exist in dataset";
     RETURN_STATUS_UNEXPECTED(err_msg);
   }
@@ -163,7 +163,7 @@ void RenameOp::Print(std::ostream &out,      // In: The output stream to print t
 }
 
 Status RenameOp::EofReceived(int32_t) {
-  MS_LOG(INFO) << "Rename operator EOF received, do nothing now.";
+  MS_LOG(DEBUG) << "Rename operator EOF received, do nothing now.";
   return Status::OK();
 }
 
diff --git a/mindspore/ccsrc/dataset/engine/datasetops/repeat_op.cc b/mindspore/ccsrc/dataset/engine/datasetops/repeat_op.cc
index 5b1221d72c61f123404bcbca389eb3b5ff99f2ff..524603fd94a14b6ef0cf22eddbe3509757d11bd4 100644
--- a/mindspore/ccsrc/dataset/engine/datasetops/repeat_op.cc
+++ b/mindspore/ccsrc/dataset/engine/datasetops/repeat_op.cc
@@ -132,7 +132,7 @@ Status RepeatOp::GetNextBuffer(std::unique_ptr<DataBuffer> *p_buffer, int32_t wo
 // Base-class override for handling cases when an eoe is received.
 Status RepeatOp::EoeReceived(int32_t worker_id) {
   repeat_count_++;
-  MS_LOG(INFO) << "Repeat operator end of epoch message received. Repeat count is now: " << repeat_count_ << ".";
+  MS_LOG(DEBUG) << "Repeat operator end of epoch message received. Repeat count is now: " << repeat_count_ << ".";
   bool repeated = BitTest(op_ctrl_flags_, kDeOpRepeated);
   bool last_repeat = BitTest(op_ctrl_flags_, kDeOpLastRepeat);
   // If we've reached the requested repeat count, then flag the eoe nodes
@@ -164,16 +164,16 @@ Status RepeatOp::operator()() { RETURN_STATUS_UNEXPECTED("Logic error. RepeatOp
 
 // Base-class override for handling cases when an eof is received.
 Status RepeatOp::EofReceived(int32_t worker_id) {
-  MS_LOG(INFO) << "Repeat operator EOF received, do nothing now.";
+  MS_LOG(DEBUG) << "Repeat operator EOF received, do nothing now.";
   return Status::OK();
 }
 
 int32_t RepeatOp::num_consumers() const {
   if (parent_.empty()) {
-    MS_LOG(INFO) << "Repeat operator, no parent node, assuming it's root and returning 1.";
+    MS_LOG(DEBUG) << "Repeat operator, no parent node, assuming it's root and returning 1.";
     return 1;
   } else if (parent_[0] == nullptr) {
-    MS_LOG(INFO) << "Repeat operator, pointer to the first parent is null. Returning 0.";
+    MS_LOG(DEBUG) << "Repeat operator, pointer to the first parent is null. Returning 0.";
     return 0;
   } else {
     return parent_[0]->num_consumers();
@@ -182,7 +182,7 @@ int32_t RepeatOp::num_consumers() const {
 
 int32_t RepeatOp::num_producers() const {
   if (child_.empty() || child_[0] == nullptr) {
-    MS_LOG(INFO) << "Repeat operator, pointer to child node is null. Returning 0.";
+    MS_LOG(DEBUG) << "Repeat operator, pointer to child node is null. Returning 0.";
     return 0;
   } else {
     return child_[0]->num_producers();
diff --git a/mindspore/ccsrc/dataset/engine/datasetops/shuffle_op.cc b/mindspore/ccsrc/dataset/engine/datasetops/shuffle_op.cc
index ebc69e87fe0d6bf7fe3962a4562b7b49260ded18..d0ec89671f4e49a5ac3e87d8eed0ba62807ddf27 100644
--- a/mindspore/ccsrc/dataset/engine/datasetops/shuffle_op.cc
+++ b/mindspore/ccsrc/dataset/engine/datasetops/shuffle_op.cc
@@ -82,7 +82,7 @@ ShuffleOp::ShuffleOp(int32_t shuffle_size, uint32_t shuffle_seed, int32_t op_con
 // Private function to re-init the shuffle op for another epoch.  Shuffle op calls this by
 // itself rather than waiting for the reset driven from operators above it in the pipeline.
 Status ShuffleOp::SelfReset() {
-  MS_LOG(INFO) << "Shuffle operator performing a self-reset.";
+  MS_LOG(DEBUG) << "Shuffle operator performing a self-reset.";
   // If ReshuffleEachEpoch is false, then we always use the same seed for every
   // epoch.
   // If ReshuffleEachEpoch is true, then the first epoch uses the given seed,
@@ -224,7 +224,7 @@ Status ShuffleOp::operator()() {
 
     // Since we overloaded eoeReceived function, we are responsible to flow the EOE up the
     // pipepline manually now that we are done draining the shuffle buffer
-    MS_LOG(INFO) << "Shuffle operator sending EOE.";
+    MS_LOG(DEBUG) << "Shuffle operator sending EOE.";
     auto eoe_buffer = std::make_unique<DataBuffer>(0, DataBuffer::kDeBFlagEOE);
     RETURN_IF_NOT_OK(out_connector_->Add(0, std::move(eoe_buffer)));
 
@@ -239,7 +239,7 @@ Status ShuffleOp::operator()() {
 // Private function populate the shuffle buffer initially by fetching from the child output
 // connector until the shuffle buffer is full (or there is no more data coming).
 Status ShuffleOp::InitShuffleBuffer() {
-  MS_LOG(INFO) << "Shuffle operator initializing the shuffle buffer.";
+  MS_LOG(DEBUG) << "Shuffle operator initializing the shuffle buffer.";
 
   // The first phase of this operator is to read incoming buffers and then drain those
   // rows from the buffers, putting them into our own local table of tensors (the shuffle
@@ -258,7 +258,7 @@ Status ShuffleOp::InitShuffleBuffer() {
   RETURN_IF_NOT_OK(child_iterator_->FetchNextTensorRow(&new_row));
 
   if (child_iterator_->eof_handled()) {
-    MS_LOG(INFO) << "Shuffle operator init picked up EOF. No more epochs.";
+    MS_LOG(DEBUG) << "Shuffle operator init picked up EOF. No more epochs.";
     return Status::OK();
   }
 
@@ -289,7 +289,7 @@ Status ShuffleOp::InitShuffleBuffer() {
     shuffle_buffer_state_ = kShuffleStateDrain;
   }
 
-  MS_LOG(INFO) << "Shuffle operator finished intializing the shuffle buffer.";
+  MS_LOG(DEBUG) << "Shuffle operator finished intializing the shuffle buffer.";
   return Status::OK();
 }
 
diff --git a/mindspore/ccsrc/dataset/engine/datasetops/source/celeba_op.cc b/mindspore/ccsrc/dataset/engine/datasetops/source/celeba_op.cc
index 8c6d9fea85ef2bf3fb71ab71fc9919cda853fe7b..8f8c57b01263d207885f586075aad2bf558ba9c2 100644
--- a/mindspore/ccsrc/dataset/engine/datasetops/source/celeba_op.cc
+++ b/mindspore/ccsrc/dataset/engine/datasetops/source/celeba_op.cc
@@ -216,8 +216,8 @@ Status CelebAOp::ParseImageAttrInfo() {
       Path path(folder_path_);
       Path file_path = path / split[0];
       if (!extensions_.empty() && extensions_.find(file_path.Extension()) == extensions_.end()) {
-        MS_LOG(INFO) << "Unsupported file found at " << file_path.toString().c_str() << ", its extension is "
-                     << file_path.Extension().c_str() << ".";
+        MS_LOG(WARNING) << "Unsupported file found at " << file_path.toString().c_str() << ", its extension is "
+                        << file_path.Extension().c_str() << ".";
         continue;
       }
       image_labels.first = split[0];
diff --git a/mindspore/ccsrc/dataset/engine/datasetops/source/generator_op.cc b/mindspore/ccsrc/dataset/engine/datasetops/source/generator_op.cc
index fcdb2d987f64c8601adc558897c1119dfbad9add..fe0763c8b7a47ccfc027de7ae00a5c0a75be6f6e 100644
--- a/mindspore/ccsrc/dataset/engine/datasetops/source/generator_op.cc
+++ b/mindspore/ccsrc/dataset/engine/datasetops/source/generator_op.cc
@@ -33,7 +33,7 @@ GeneratorOp::Builder::Builder() {
 
 Status GeneratorOp::Builder::SanityCheck() {
   // Update queue size to fit the prefetch requirement
-  MS_LOG(INFO) << "Generator operator sanity check, prefetch size is " << build_prefetch_size_ << ".";
+  MS_LOG(DEBUG) << "Generator operator sanity check, prefetch size is " << build_prefetch_size_ << ".";
   if (build_prefetch_size_ > 0) {
     build_op_connector_size_ = (build_prefetch_size_ + build_buffer_size_ - 1) / build_buffer_size_;
   }
@@ -221,15 +221,15 @@ Status GeneratorOp::operator()() {
     }
     if (eoe) {
       // Push out EOE upon StopIteration exception from generator
-      MS_LOG(INFO) << "Generator operator sends out EOE.";
+      MS_LOG(DEBUG) << "Generator operator sends out EOE.";
       std::unique_ptr<DataBuffer> eoe_buffer = std::make_unique<DataBuffer>(0, DataBuffer::kDeBFlagEOE);
       RETURN_IF_NOT_OK(out_connector_->Add(0, std::move(eoe_buffer)));
       if (!BitTest(op_ctrl_flags_, kDeOpRepeated) || BitTest(op_ctrl_flags_, kDeOpLastRepeat)) {
         // If last repeat or not repeated, push out EOF and exit master loop
-        MS_LOG(INFO) << "Generator operator sends out EOF.";
+        MS_LOG(DEBUG) << "Generator operator sends out EOF.";
         std::unique_ptr<DataBuffer> eof_buffer = std::make_unique<DataBuffer>(0, DataBuffer::kDeBFlagEOF);
         RETURN_IF_NOT_OK(out_connector_->Add(0, std::move(eof_buffer)));
-        MS_LOG(INFO) << "Generator operator main execution loop complete.";
+        MS_LOG(DEBUG) << "Generator operator main execution loop complete.";
         eof = true;
       } else {
         // Waiting for repeatOp to start new epoch
diff --git a/mindspore/ccsrc/dataset/engine/datasetops/source/image_folder_op.cc b/mindspore/ccsrc/dataset/engine/datasetops/source/image_folder_op.cc
index 16a9135ade85942b5d2c3dc4f67ff36fd47d73b8..ce8fef7404bc73a6866a0f7a46a3a0fe5cd7a654 100644
--- a/mindspore/ccsrc/dataset/engine/datasetops/source/image_folder_op.cc
+++ b/mindspore/ccsrc/dataset/engine/datasetops/source/image_folder_op.cc
@@ -333,8 +333,8 @@ Status ImageFolderOp::PrescanWorkerEntry(int32_t worker_id) {
       if (extensions_.empty() || extensions_.find(file.Extension()) != extensions_.end()) {
         (void)imgs.insert(file.toString().substr(dirname_offset_));
       } else {
-        MS_LOG(INFO) << "Image folder operator unsupported file found: " << file.toString()
-                     << ", extension: " << file.Extension() << ".";
+        MS_LOG(WARNING) << "Image folder operator unsupported file found: " << file.toString()
+                        << ", extension: " << file.Extension() << ".";
       }
     }
     FolderImagesPair p = std::make_shared<std::pair<std::string, std::queue<ImageLabelPair>>>();
diff --git a/mindspore/ccsrc/dataset/engine/datasetops/source/mnist_op.cc b/mindspore/ccsrc/dataset/engine/datasetops/source/mnist_op.cc
index 217ebebbd74eb74677b8df89d376215fdee96afc..53c32b19042c5d7bc7bcd04756e49887aae9f1a0 100644
--- a/mindspore/ccsrc/dataset/engine/datasetops/source/mnist_op.cc
+++ b/mindspore/ccsrc/dataset/engine/datasetops/source/mnist_op.cc
@@ -387,7 +387,7 @@ Status MnistOp::WalkAllFiles() {
       }
     }
   } else {
-    MS_LOG(INFO) << "Mnist operator unable to open directory " << dir.toString() << ".";
+    MS_LOG(WARNING) << "Mnist operator unable to open directory " << dir.toString() << ".";
   }
 
   std::sort(image_names_.begin(), image_names_.end());
diff --git a/mindspore/ccsrc/dataset/engine/datasetops/source/storage_op.cc b/mindspore/ccsrc/dataset/engine/datasetops/source/storage_op.cc
index 60572b2012015e17cdfc76b751392c531de60caa..052e474b6e5ea05e9ed7e4b596eae3069ae1f42f 100644
--- a/mindspore/ccsrc/dataset/engine/datasetops/source/storage_op.cc
+++ b/mindspore/ccsrc/dataset/engine/datasetops/source/storage_op.cc
@@ -278,11 +278,11 @@ Status StorageOp::init() {
   if (this->num_rows() % rows_per_buffer_ != 0) {
     buffers_needed++;
   }
-  MS_LOG(INFO) << "Master: Initializing StorageOp. Dataset files dir: " << dataset_files_dir_ << " Dataset type: "
-               << static_cast<std::underlying_type<DatasetType>::type>(store_client_->schema()->dataset_type())
-               << " Dataset schema file: " << schema_file_ << " Number of rows: " << num_rows_
-               << " Rows per buffer: " << rows_per_buffer_ << " Num buffers (computed): " << buffers_needed
-               << " Number of workers: " << num_workers_ << ".";
+  MS_LOG(DEBUG) << "Master: Initializing StorageOp. Dataset files dir: " << dataset_files_dir_ << " Dataset type: "
+                << static_cast<std::underlying_type<DatasetType>::type>(store_client_->schema()->dataset_type())
+                << " Dataset schema file: " << schema_file_ << " Number of rows: " << num_rows_
+                << " Rows per buffer: " << rows_per_buffer_ << " Num buffers (computed): " << buffers_needed
+                << " Number of workers: " << num_workers_ << ".";
 
   // Next, create each buffer in a loop.
   int32_t buff_id = 0;
@@ -344,7 +344,7 @@ void StorageOp::Print(std::ostream &out, bool show_all) const {
 // Private helper method.  This one posts a control indicator for each worker thread to consume
 // from the action queue.  When the worker pops this msg, it will shut itself down gracefully.
 Status StorageOp::PostEndOfData() {
-  MS_LOG(INFO) << "Master: Processed all of the buffers. Send end-of-data message to workers.";
+  MS_LOG(DEBUG) << "Master: Processed all of the buffers. Send end-of-data message to workers.";
 
   // For each worker we add the message so that they can all get the memo
   for (int32_t i = 0; i < num_workers_; ++i) {
@@ -462,14 +462,14 @@ Status StorageOp::operator()() {
     // Reduce the shared_ptr ref count of this buffer by removing it from the mDataBuffers
     // table first before we push the buffer to output connector.
     data_buffers_[buffer_id].reset();
-    MS_LOG(INFO) << "StorageOp master: Consumed buffer " << buffer_id << " from internal worker connector.";
+    MS_LOG(DEBUG) << "StorageOp master: Consumed buffer " << buffer_id << " from internal worker connector.";
     RETURN_IF_NOT_OK(out_connector_->Add(0, std::move(fetched_buffer)));
-    MS_LOG(INFO) << "StorageOp master: pushed buffer " << buffer_id << " to output connector.";
+    MS_LOG(DEBUG) << "StorageOp master: pushed buffer " << buffer_id << " to output connector.";
 
     // Now, check our loop exit conditions and perform appropriate end of data handling if
     // we've reached the end of our scan.
     if (buffers_fetched_ == num_buffers_to_fetch) {
-      MS_LOG(INFO) << "StorageOp master: Reached end of data.";
+      MS_LOG(DEBUG) << "StorageOp master: Reached end of data.";
 
       // If we are not inside of a Repeat path in the tree, or we are in a repeat path but
       // this was our last repeat, then we do a full quit here with eof control message.
@@ -479,17 +479,17 @@ Status StorageOp::operator()() {
         RETURN_IF_NOT_OK(this->PostEndOfData());
         std::unique_ptr<DataBuffer> eoeBuffer = std::make_unique<DataBuffer>(0, DataBuffer::kDeBFlagEOE);
         RETURN_IF_NOT_OK(out_connector_->Add(0, std::move(eoeBuffer)));
-        MS_LOG(INFO) << "StorageOp master: Flow end-of-data eof message.";
+        MS_LOG(DEBUG) << "StorageOp master: Flow end-of-data eof message.";
         std::unique_ptr<DataBuffer> eofBuffer = std::make_unique<DataBuffer>(0, DataBuffer::kDeBFlagEOF);
         RETURN_IF_NOT_OK(out_connector_->Add(0, std::move(eofBuffer)));
-        MS_LOG(INFO) << "StorageOp master: Main execution loop complete.";
+        MS_LOG(DEBUG) << "StorageOp master: Main execution loop complete.";
         done = true;  // while loop exit
       } else {
         // We are in a repeat path and it's not the last repeat.
         // Flow an end-of-epoch control message up the pipeline.
         // RepeatOp above us somewhere in the tree will re-init us with the data to fetch again
         // once it gets the end-of-epoch message.
-        MS_LOG(INFO) << "StorageOp master: Flow end-of-epoch eoe message.";
+        MS_LOG(DEBUG) << "StorageOp master: Flow end-of-epoch eoe message.";
         std::unique_ptr<DataBuffer> eoe_buffer = std::make_unique<DataBuffer>(0, DataBuffer::kDeBFlagEOE);
         RETURN_IF_NOT_OK(out_connector_->Add(0, std::move(eoe_buffer)));
 
@@ -513,7 +513,7 @@ Status StorageOp::operator()() {
 // The entry point code for when workers are launched.
 Status StorageOp::WorkerEntry(int32_t worker_id) {
   int32_t next_action_id = 0;
-  MS_LOG(INFO) << "Worker: StorageOp worker entry point.";
+  MS_LOG(DEBUG) << "Worker: StorageOp worker entry point.";
 
   // Handshake with TaskManager to synchronize the creation
   TaskManager::FindMe()->Post();
@@ -524,18 +524,18 @@ Status StorageOp::WorkerEntry(int32_t worker_id) {
     // Drive a load of this buffer and get a pointer to the buffer after it's loaded in
     std::unique_ptr<DataBuffer> dB;
     RETURN_IF_NOT_OK(this->GetBuffer(next_action_id, &dB));
-    MS_LOG(INFO) << "Worker: Loaded buffer " << next_action_id << ".";
+    MS_LOG(DEBUG) << "Worker: Loaded buffer " << next_action_id << ".";
 
     // Add the buffer to the internal queue for master to consume from later.
     // This could end up blocking if the queue is full in which case it waits here
     // until the master can drain a buffer off the queue.
     RETURN_IF_NOT_OK(worker_connector_->Add(worker_id, std::move(dB)));
-    MS_LOG(INFO) << "Worker: Pushed buffer " << next_action_id << " to internal worker connector.";
+    MS_LOG(DEBUG) << "Worker: Pushed buffer " << next_action_id << " to internal worker connector.";
 
     // Get the next action id and loop
     RETURN_IF_NOT_OK(action_queue_[worker_id]->PopFront(&next_action_id));
   }
-  MS_LOG(INFO) << "Worker: Received end-of-data message.  Worker complete.";
+  MS_LOG(DEBUG) << "Worker: Received end-of-data message.  Worker complete.";
   return Status::OK();
 }
 
@@ -576,12 +576,12 @@ Status StorageOp::LoadParallelConfig() {
       RETURN_STATUS_UNEXPECTED("Invalid deviceNum");
     }
     if (device_id_ > MAX_INTEGER_INT32 || device_id_ >= device_num_) {
-      MS_LOG(INFO) << "In parallel config file " << data_distribution_file_ << ", wrong deviceID provided.";
+      MS_LOG(DEBUG) << "In parallel config file " << data_distribution_file_ << ", wrong deviceID provided.";
       RETURN_STATUS_UNEXPECTED("Invalid deviceId");
     }
     shard_config_ = js.value("shardConfig", "");
     if (shard_config_ != "ALL" && shard_config_ != "UNIQUE" && shard_config_ != "RANDOM") {
-      MS_LOG(INFO) << "In parallel config file " << data_distribution_file_ << " wrong mShardConfig provided.";
+      MS_LOG(DEBUG) << "In parallel config file " << data_distribution_file_ << " wrong mShardConfig provided.";
       RETURN_STATUS_UNEXPECTED("Invalid shardConfig");
     }
     std::string shuffle_str = js.value("shuffle", "");
@@ -590,8 +590,8 @@ Status StorageOp::LoadParallelConfig() {
     } else if (shuffle_str == "OFF") {
       shuffle_config_ = false;
     } else {
-      MS_LOG(INFO) << "In parallel config file " << data_distribution_file_
-                   << ", shuffle config is wrong: it's not ON or OFF";
+      MS_LOG(DEBUG) << "In parallel config file " << data_distribution_file_
+                    << ", shuffle config is wrong: it's not ON or OFF";
       RETURN_STATUS_UNEXPECTED("Invalid shuffle option");
     }
     seed_ = js.value("seed", 0);
diff --git a/mindspore/ccsrc/dataset/engine/datasetops/source/tf_buffer.cc b/mindspore/ccsrc/dataset/engine/datasetops/source/tf_buffer.cc
index 9a07974615280f87a75ccc2128e40bdfa74dd4fb..8803c3f040aa15607183a10c4d3e036f01de7bd6 100644
--- a/mindspore/ccsrc/dataset/engine/datasetops/source/tf_buffer.cc
+++ b/mindspore/ccsrc/dataset/engine/datasetops/source/tf_buffer.cc
@@ -112,7 +112,7 @@ Status TFBuffer::ParseSingleExample(dataengine::Example *ptr) {
     cur_reader_.open(cur_f_info_.fileName);
     // Seek to the offset
     (void)cur_reader_.seekg(static_cast<std::streamsize>(cur_f_info_.startOffset));
-    MS_LOG(INFO) << "got new file " << cur_f_info_.fileName << ".";
+    MS_LOG(DEBUG) << "got new file " << cur_f_info_.fileName << ".";
   }
 
   // one record in tf_file looks like:
diff --git a/mindspore/ccsrc/dataset/engine/datasetops/source/tf_client.cc b/mindspore/ccsrc/dataset/engine/datasetops/source/tf_client.cc
index b6e68aafb9d8fe1c40d83e16d7705f6e43ee7659..9e8cd67ae67fe7f6b4e6d7b58b0da834103b4098 100644
--- a/mindspore/ccsrc/dataset/engine/datasetops/source/tf_client.cc
+++ b/mindspore/ccsrc/dataset/engine/datasetops/source/tf_client.cc
@@ -49,7 +49,7 @@ Status TFClient::Init() {
   const std::string kExtensionTF = ".tfrecord";
   bool schema_init = false;
   if (!storage_op_->dataset_files_dir().empty()) {
-    MS_LOG(INFO) << "Reading dataset using datasetPath.";
+    MS_LOG(DEBUG) << "Reading dataset using datasetPath.";
     Path data_set_directory(storage_op_->dataset_files_dir());
     auto dirIt = Path::DirIterator::OpenDirectory(&data_set_directory);
     if (dirIt) {
@@ -73,7 +73,7 @@ Status TFClient::Init() {
       RETURN_STATUS_UNEXPECTED("Unable to open directory " + data_set_directory.toString());
     }
   } else {
-    MS_LOG(INFO) << "Reading dataset using dataset files list.";
+    MS_LOG(DEBUG) << "Reading dataset using dataset files list.";
     for (auto filename : storage_op_->dataset_file_list()) {
       const std::vector<uint64_t> recs_lengths = ParseTfFileLines(filename);
       v_total_file_rows_.emplace_back(std::pair<std::string, std::vector<uint64_t>>(filename, std::move(recs_lengths)));
@@ -327,7 +327,7 @@ Status TFClient::ParseTfFileSchema(const std::string &filename) {
   reader.close();
   dataengine::Example tf_file;
   if (!tf_file.ParseFromString(serialized_example)) {
-    std::string err_msg = "parse tf_file failed";
+    std::string err_msg = "parse tf_file failed, file name is " + filename;
     RETURN_STATUS_UNEXPECTED(err_msg);
   }
   const dataengine::Features &example_features = tf_file.features();
diff --git a/mindspore/ccsrc/dataset/engine/datasetops/source/tf_reader_op.cc b/mindspore/ccsrc/dataset/engine/datasetops/source/tf_reader_op.cc
index 181588c470c74ba8ac5d4262b7c3707213d005de..8b679388a7b04610f5e4dd5ac265906bd4e3de37 100644
--- a/mindspore/ccsrc/dataset/engine/datasetops/source/tf_reader_op.cc
+++ b/mindspore/ccsrc/dataset/engine/datasetops/source/tf_reader_op.cc
@@ -356,7 +356,7 @@ Status TFReaderOp::WorkerEntry(int32_t worker_id) {
         int64_t start_offset = io_block->GetStartOffset();
         int64_t end_offset = io_block->GetEndOffset();
         RETURN_IF_NOT_OK(LoadFile(filename, start_offset, end_offset, worker_id));
-        MS_LOG(INFO) << "TFReader operator worker " << worker_id << " loaded file " << filename << ".";
+        MS_LOG(DEBUG) << "TFReader operator worker " << worker_id << " loaded file " << filename << ".";
       }
     } else {
       std::unique_ptr<DataBuffer> eoe_buffer = std::make_unique<DataBuffer>(1, DataBuffer::kDeBFlagEOE);
diff --git a/mindspore/ccsrc/dataset/engine/datasetops/zip_op.cc b/mindspore/ccsrc/dataset/engine/datasetops/zip_op.cc
index 1a96e601b782f56e463988dcd03e57caf5bdb584..bb438552f31ff8125a66d73fc7cb9879c970b2eb 100644
--- a/mindspore/ccsrc/dataset/engine/datasetops/zip_op.cc
+++ b/mindspore/ccsrc/dataset/engine/datasetops/zip_op.cc
@@ -111,7 +111,7 @@ Status ZipOp::operator()() {
 
   // 5 handle eof
   // propagate eof here.
-  MS_LOG(INFO) << "Zip operator got EOF, propagating.";
+  MS_LOG(DEBUG) << "Zip operator got EOF, propagating.";
   RETURN_IF_NOT_OK(out_connector_->Add(0, std::move(std::make_unique<DataBuffer>(0, DataBuffer::kDeBFlagEOF))));
   return Status::OK();
 }
@@ -188,12 +188,12 @@ Status ZipOp::getNextTensorRow(TensorRow *const new_zip_row) {
     if (new_row.empty()) {
       // If we did not get a row from any of the children, then it's the end of an epoch and we can move
       // to drain state.
-      MS_LOG(INFO) << "Zip operator child iterator produced empty row.";
+      MS_LOG(DEBUG) << "Zip operator child iterator produced empty row.";
       draining_ = true;
       new_zip_row->clear();
       // If we picked up an eof here, then we are completely done.
       if ((child_iterators_[i])->eof_handled()) {
-        MS_LOG(INFO) << "Zip operator iterator got EOF.";
+        MS_LOG(DEBUG) << "Zip operator iterator got EOF.";
         eof_ = true;
       }
       return Status::OK();
diff --git a/mindspore/ccsrc/dataset/engine/execution_tree.cc b/mindspore/ccsrc/dataset/engine/execution_tree.cc
index 95a6b6f0f5399ccf1a1eca366d320eb3b65acc10..bcb387082b4f2a07d17718a117b070545e5b513d 100644
--- a/mindspore/ccsrc/dataset/engine/execution_tree.cc
+++ b/mindspore/ccsrc/dataset/engine/execution_tree.cc
@@ -120,7 +120,7 @@ Status ExecutionTree::Launch() {
   }
   std::ostringstream ss;
   ss << *this;
-  MS_LOG(INFO) << "Printing the tree before launch tasks:\n" << ss.str();
+  MS_LOG(DEBUG) << "Printing the tree before launch tasks:\n" << ss.str();
   for (auto itr = this->begin(); itr != this->end(); ++itr) {
     // An inlined operator is one that has an output connector size of 0, and it does not
     // require a thread to execute.  Instead, the work of this operator is executed inlined
diff --git a/mindspore/ccsrc/dataset/kernels/image/decode_op.cc b/mindspore/ccsrc/dataset/kernels/image/decode_op.cc
index e3cfed7aa254eb35e50dc9434d4af7ce340de857..ef6cf88b3b76d3bb1a86af4397b584df1e381b86 100644
--- a/mindspore/ccsrc/dataset/kernels/image/decode_op.cc
+++ b/mindspore/ccsrc/dataset/kernels/image/decode_op.cc
@@ -24,9 +24,9 @@ const bool DecodeOp::kDefRgbFormat = true;
 
 DecodeOp::DecodeOp(bool is_rgb_format) : is_rgb_format_(is_rgb_format) {
   if (is_rgb_format_) {  // RGB colour mode
-    MS_LOG(INFO) << "Decode colour mode is RGB.";
+    MS_LOG(DEBUG) << "Decode colour mode is RGB.";
   } else {
-    MS_LOG(INFO) << "Decode colour mode is BGR.";
+    MS_LOG(DEBUG) << "Decode colour mode is BGR.";
   }
 }
 
diff --git a/mindspore/ccsrc/dataset/util/arena.cc b/mindspore/ccsrc/dataset/util/arena.cc
index 51de281d507b705345ed47ec5ad23593c3cb6ef8..e9dec9d86e18c0e1dc7b2c74b25b83a54a0a4324 100644
--- a/mindspore/ccsrc/dataset/util/arena.cc
+++ b/mindspore/ccsrc/dataset/util/arena.cc
@@ -38,7 +38,7 @@ Status Arena::Init() {
   RETURN_IF_NOT_OK(DeMalloc(size_in_MB_ * 1048576L, &ptr_, false));
   // Divide the memory into blocks. Ignore the last partial block.
   uint64_t num_blks = size_in_bytes_ / ARENA_BLK_SZ;
-  MS_LOG(INFO) << "Size of memory pool is " << num_blks << ", number of blocks of size is " << ARENA_BLK_SZ << ".";
+  MS_LOG(DEBUG) << "Size of memory pool is " << num_blks << ", number of blocks of size is " << ARENA_BLK_SZ << ".";
   tr_.Insert(0, num_blks);
   return Status::OK();
 }
diff --git a/mindspore/ccsrc/dataset/util/btree_impl.tpp b/mindspore/ccsrc/dataset/util/btree_impl.tpp
index f38070f367e7006b73db9b8d773daf837fb4d2ff..1b324cee5714bc0dc3e95abe309ca3856126c177 100644
--- a/mindspore/ccsrc/dataset/util/btree_impl.tpp
+++ b/mindspore/ccsrc/dataset/util/btree_impl.tpp
@@ -542,7 +542,7 @@ std::unique_ptr<V> BPlusTree<K, V, A, C, T>::DoUpdate(const key_type &key, std::
       leaf->rw_lock_.Unlock();
       return old;
     } else {
-      MS_LOG(INFO) << "Key not found. rc = " << static_cast<int>(rc) << ".";
+      MS_LOG(DEBUG) << "Key not found. rc = " << static_cast<int>(rc) << ".";
       return nullptr;
     }
   } else {
diff --git a/mindspore/ccsrc/dataset/util/btree_iterator.tpp b/mindspore/ccsrc/dataset/util/btree_iterator.tpp
index b7d6b09fda2a7fc4f87db3198138754e9bedbdc3..ef3a47f176229d629f080e21d001f9106d7260ca 100644
--- a/mindspore/ccsrc/dataset/util/btree_iterator.tpp
+++ b/mindspore/ccsrc/dataset/util/btree_iterator.tpp
@@ -299,7 +299,7 @@ typename BPlusTree<K, V, A, C, T>::ConstIterator BPlusTree<K, V, A, C, T>::Searc
       // on the leaf. The unlock will be handled by the iterator when it goes out of scope.
       return ConstIterator(leaf, slot, true);
     } else {
-      MS_LOG(INFO) << "Key not found. rc = " << static_cast<int>(rc) << ".";
+      MS_LOG(DEBUG) << "Key not found. rc = " << static_cast<int>(rc) << ".";
       return cend();
     }
   } else {
@@ -321,7 +321,7 @@ typename BPlusTree<K, V, A, C, T>::Iterator BPlusTree<K, V, A, C, T>::Search(con
       // on the leaf. The unlock will be handled by the iterator when it goes out of scope.
       return Iterator(leaf, slot, true);
     } else {
-      MS_LOG(INFO) << "Key not found. rc = " << static_cast<int>(rc) << ".";
+      MS_LOG(DEBUG) << "Key not found. rc = " << static_cast<int>(rc) << ".";
       return end();
     }
   } else {
diff --git a/mindspore/ccsrc/dataset/util/intrp_service.cc b/mindspore/ccsrc/dataset/util/intrp_service.cc
index 8c96cec6a162c1a4bc3ddbbc2a1702a87eb81b24..6dcafa8e70aaee65e72a84363dca5b5d57316cfc 100644
--- a/mindspore/ccsrc/dataset/util/intrp_service.cc
+++ b/mindspore/ccsrc/dataset/util/intrp_service.cc
@@ -68,7 +68,7 @@ Status IntrpService::Deregister(const std::string &name) noexcept {
     if (it != all_intrp_resources_.end()) {
       (void)all_intrp_resources_.erase(it);
     } else {
-      MS_LOG(INFO) << "Key " << name << " not found.";
+      MS_LOG(DEBUG) << "Key " << name << " not found.";
     }
   } catch (std::exception &e) {
     RETURN_STATUS_UNEXPECTED(e.what());
diff --git a/mindspore/ccsrc/dataset/util/path.cc b/mindspore/ccsrc/dataset/util/path.cc
index 24c8db5b9ce08c8193c499fbb078c5c10d2a9937..c37fdc17f1d4b4fa5d4c347b07acdd544fee1ec6 100644
--- a/mindspore/ccsrc/dataset/util/path.cc
+++ b/mindspore/ccsrc/dataset/util/path.cc
@@ -112,7 +112,7 @@ bool Path::Exists() {
   struct stat sb;
   int rc = stat(common::SafeCStr(path_), &sb);
   if (rc == -1 && errno != ENOENT) {
-    MS_LOG(INFO) << "Unable to query the status of " << path_ << ". Errno = " << errno << ".";
+    MS_LOG(WARNING) << "Unable to query the status of " << path_ << ". Errno = " << errno << ".";
   }
   return (rc == 0);
 }
@@ -166,10 +166,10 @@ std::string Path::ParentPath() {
 
 Status Path::CreateDirectories() {
   if (IsDirectory()) {
-    MS_LOG(INFO) << "Directory " << toString() << " already exists.";
+    MS_LOG(DEBUG) << "Directory " << toString() << " already exists.";
     return Status::OK();
   } else {
-    MS_LOG(INFO) << "Creating directory " << toString() << ".";
+    MS_LOG(DEBUG) << "Creating directory " << toString() << ".";
     std::string parent = ParentPath();
     if (!parent.empty()) {
       if (Path(parent).CreateDirectories()) {
@@ -207,7 +207,7 @@ Path::DirIterator::~DirIterator() {
 }
 
 Path::DirIterator::DirIterator(Path *f) : dir_(f), dp_(nullptr), entry_(nullptr) {
-  MS_LOG(INFO) << "Open directory " << f->toString() << ".";
+  MS_LOG(DEBUG) << "Open directory " << f->toString() << ".";
   dp_ = opendir(common::SafeCStr(f->toString()));
 }
 
diff --git a/mindspore/ccsrc/dataset/util/task.cc b/mindspore/ccsrc/dataset/util/task.cc
index 98f406df8df027d025fe60051a766699fa6ea01f..0d02ad8317ba2ca376fd57cfa883e5bc3d812a8b 100644
--- a/mindspore/ccsrc/dataset/util/task.cc
+++ b/mindspore/ccsrc/dataset/util/task.cc
@@ -28,7 +28,7 @@ void Task::operator()() {
   id_ = this_thread::get_id();
   std::stringstream ss;
   ss << id_;
-  MS_LOG(INFO) << my_name_ << " Thread ID " << ss.str() << " Started.";
+  MS_LOG(DEBUG) << my_name_ << " Thread ID " << ss.str() << " Started.";
   try {
     // Previously there is a timing hole where the thread is spawn but hit error immediately before we can set
     // the TaskGroup pointer and register. We move the registration logic to here (after we spawn) so we can
@@ -120,12 +120,12 @@ Status Task::Join() {
       while (thrd_.wait_for(std::chrono::seconds(1)) != std::future_status::ready) {
         // We can't tell which conditional_variable this thread is waiting on. So we may need
         // to interrupt everything one more time.
-        MS_LOG(DEBUG) << "Some threads not responding. Interrupt again";
+        MS_LOG(INFO) << "Some threads not responding. Interrupt again";
         interrupt_svc->InterruptAll();
       }
       std::stringstream ss;
       ss << get_id();
-      MS_LOG(INFO) << MyName() << " Thread ID " << ss.str() << " Stopped.";
+      MS_LOG(DEBUG) << MyName() << " Thread ID " << ss.str() << " Stopped.";
       running_ = false;
       RETURN_IF_NOT_OK(wp_.Deregister());
       RETURN_IF_NOT_OK(interrupt_svc->Deregister(ss.str()));
diff --git a/mindspore/ccsrc/dataset/util/task_manager.cc b/mindspore/ccsrc/dataset/util/task_manager.cc
index 958b43059d5a749a8fca81d6fad0efa0194cea49..31b0eedd7040ffaf3cc18c0d057d868b15e9f98b 100644
--- a/mindspore/ccsrc/dataset/util/task_manager.cc
+++ b/mindspore/ccsrc/dataset/util/task_manager.cc
@@ -106,7 +106,7 @@ TaskManager::TaskManager() try : global_interrupt_(0),
   // Initialize the semaphore for the watchdog
   errno_t rc = sem_init(&sem_, 0, 0);
   if (rc == -1) {
-    MS_LOG(INFO) << "Unable to initialize a semaphore. Errno = " << rc << ".";
+    MS_LOG(ERROR) << "Unable to initialize a semaphore. Errno = " << rc << ".";
     std::terminate();
   }
 #endif