diff --git a/interactive_engine/compiler/src/main/java/com/alibaba/graphscope/common/ir/rel/metadata/glogue/Glogue.java b/interactive_engine/compiler/src/main/java/com/alibaba/graphscope/common/ir/rel/metadata/glogue/Glogue.java
index b89e7c18293a..3c587cb2ddbc 100644
--- a/interactive_engine/compiler/src/main/java/com/alibaba/graphscope/common/ir/rel/metadata/glogue/Glogue.java
+++ b/interactive_engine/compiler/src/main/java/com/alibaba/graphscope/common/ir/rel/metadata/glogue/Glogue.java
@@ -94,7 +94,10 @@ private Glogue create(GlogueSchema schema, int maxPatternSize) {
         }
         // compute pattern cardinality
         this.glogueCardinalityEstimation = new GlogueBasicCardinalityEstimationImpl(this, schema);
-        logger.debug("GlogueGraph\n" + this.toString());
+        logger.info(
+                "GlogueGraph is created, with {} vertices and {} edges",
+                this.glogueGraph.vertexSet().size(),
+                this.glogueGraph.edgeSet().size());
 
         return this;
     }
diff --git a/interactive_engine/compiler/src/main/java/com/alibaba/graphscope/common/ir/rel/metadata/schema/GlogueSchema.java b/interactive_engine/compiler/src/main/java/com/alibaba/graphscope/common/ir/rel/metadata/schema/GlogueSchema.java
index 1d7e09c495f0..86f7af48144c 100644
--- a/interactive_engine/compiler/src/main/java/com/alibaba/graphscope/common/ir/rel/metadata/schema/GlogueSchema.java
+++ b/interactive_engine/compiler/src/main/java/com/alibaba/graphscope/common/ir/rel/metadata/schema/GlogueSchema.java
@@ -80,10 +80,15 @@ public GlogueSchema(GraphSchema graphSchema) {
                 edgeTypeCardinality.put(edgeType, 1.0);
             }
         }
-        logger.debug("GlogueSchema created with default cardinality 1.0: {}", this);
+        logger.info("GlogueSchema created with default cardinality 1.0: {}", this);
     }
 
     public GlogueSchema(GraphSchema graphSchema, GraphStatistics statistics) {
+        logger.info(
+                "Creating GlogueSchema with statistics, vertex count: {}, edge count: {}",
+                statistics.getVertexCount(),
+                statistics.getEdgeCount());
+
         schemaGraph = new DirectedPseudograph<Integer, EdgeTypeId>(EdgeTypeId.class);
         vertexTypeCardinality = new HashMap<Integer, Double>();
         edgeTypeCardinality = new HashMap<EdgeTypeId, Double>();
@@ -120,7 +125,7 @@ public GlogueSchema(GraphSchema graphSchema, GraphStatistics statistics) {
                 }
             }
         }
-        logger.debug("GlogueSchema created with statistics: {}", this);
+        logger.info("GlogueSchema created with statistics: {}", this);
     }
 
     public static GlogueSchema fromMeta(IrMetaStats irMeta) {
diff --git a/interactive_engine/executor/store/groot/src/db/graph/store.rs b/interactive_engine/executor/store/groot/src/db/graph/store.rs
index fe9d0f8776af..ae338c762f86 100644
--- a/interactive_engine/executor/store/groot/src/db/graph/store.rs
+++ b/interactive_engine/executor/store/groot/src/db/graph/store.rs
@@ -1092,6 +1092,10 @@ impl GraphStore {
         let edge_labels_statistics = self.get_edge_statistics(si)?;
         let vertex_count = vertex_labels_statistics.values().sum();
         let edge_count = edge_labels_statistics.values().sum();
+        info!(
+            "get_statistics in groot store partition, vertex_count {}, edge_count {}",
+            vertex_count, edge_count
+        );
         Ok(GraphPartitionStatistics::new(
             si,
             vertex_count,
diff --git a/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/coordinator/SchemaManager.java b/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/coordinator/SchemaManager.java
index b42dc7ce3126..10df3475c00f 100644
--- a/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/coordinator/SchemaManager.java
+++ b/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/coordinator/SchemaManager.java
@@ -130,8 +130,9 @@ private void syncStatistics() {
             Map<Integer, Statistics> statisticsMap = graphDefFetcher.fetchStatistics();
             Statistics statistics = aggregateStatistics(statisticsMap);
             this.graphStatistics.set(statistics);
+            logger.info("Fetched statistics from groot store to groot coordinator successfully");
         } catch (Exception e) {
-            logger.error("Fetch statistics failed", e);
+            logger.error("Fetched statistics from groot store to groot coordinator failed", e);
         }
         sendStatisticsToFrontend();
     }
@@ -142,7 +143,7 @@ private void sendStatisticsToFrontend() {
             for (int i = 0; i < frontendCount; ++i) {
                 try {
                     frontendSnapshotClients.getClient(i).syncStatistics(statistics);
-                    logger.debug("Sent statistics to frontend#{}", i);
+                    logger.info("Sent statistics from groot coordinator to frontend#{}", i);
                 } catch (Exception e) {
                     logger.error("Failed to sync statistics to frontend", e);
                 }
diff --git a/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/frontend/SnapshotCache.java b/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/frontend/SnapshotCache.java
index 4f4a0254ea83..2909a631645b 100644
--- a/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/frontend/SnapshotCache.java
+++ b/interactive_engine/groot-module/src/main/java/com/alibaba/graphscope/groot/frontend/SnapshotCache.java
@@ -136,6 +136,10 @@ public SnapshotWithSchema getSnapshotWithSchema() {
     }
 
     public void setGraphStatisticsRef(GraphStatistics statistics) {
+        logger.info(
+                "update graph statistics in frontend cache, vertex num: {}, edge num: {}",
+                statistics.getVertexCount(),
+                statistics.getEdgeCount());
         this.graphStatisticsRef.set(statistics);
     }