diff --git a/src/gausskernel/storage/access/datavec/hnswbuild.cpp b/src/gausskernel/storage/access/datavec/hnswbuild.cpp
index 6aefdd99f..5ebb8507e 100644
--- a/src/gausskernel/storage/access/datavec/hnswbuild.cpp
+++ b/src/gausskernel/storage/access/datavec/hnswbuild.cpp
@@ -145,16 +145,17 @@ PQParams *InitPQParamsInMemory(HnswBuildState *buildstate)
     return params;
 }
 
-static void ComputeHnswPQ(HnswBuildState *buildstate)
+static int ComputeHnswPQ(HnswBuildState *buildstate)
 {
     MemoryContext pqCtx = AllocSetContextCreate(CurrentMemoryContext,
                                                 "Hnsw PQ temporary context",
                                                 ALLOCSET_DEFAULT_SIZES);
     MemoryContext oldCtx = MemoryContextSwitchTo(pqCtx);
 
-    ComputePQTable(buildstate->samples, buildstate->params);
+    int res = ComputePQTable(buildstate->samples, buildstate->params);
     MemoryContextSwitchTo(oldCtx);
     MemoryContextDelete(pqCtx);
+    return res;
 }
 
 BlockNumber BlockSamplerGetBlock(BlockSampler bs)
@@ -417,6 +418,7 @@ static void BuildPQtable(HnswBuildState *buildstate)
     PG_TRY();
     {
         /* Sample rows */
+        ereport(LOG, (errmsg("HNSWPQ start sample rows.")));
         buildstate->samples = VectorArrayInit(numSamples, buildstate->dimensions,
                                               buildstate->typeInfo->itemSize(buildstate->dimensions));
     }
@@ -435,8 +437,14 @@ static void BuildPQtable(HnswBuildState *buildstate)
                             errhint("Drop the index until the table has more data.")));
         }
     }
-    ComputeHnswPQ(buildstate);
+    ereport(LOG, (errmsg("HNSWPQ start to train codebook.")));
+    int success = ComputeHnswPQ(buildstate);
     VectorArrayFree(buildstate->samples);
+    if (success == -1) {
+        ereport(ERROR, (errmsg("HNSWPQ training codebook is failed.")));
+    } else {
+        ereport(LOG, (errmsg("HNSWPQ finish to train codebook.")));
+    }
 }
 
 
diff --git a/src/gausskernel/storage/access/datavec/ivfbuild.cpp b/src/gausskernel/storage/access/datavec/ivfbuild.cpp
index 67d3e57be..30029efbb 100644
--- a/src/gausskernel/storage/access/datavec/ivfbuild.cpp
+++ b/src/gausskernel/storage/access/datavec/ivfbuild.cpp
@@ -156,16 +156,17 @@ static void ComputePreTable(IvfflatBuildState *buildstate)
 /*
  * Compute PQTable
  */
-static void ComputeIvfPQ(IvfflatBuildState *buildstate)
+static int ComputeIvfPQ(IvfflatBuildState *buildstate)
 {
     MemoryContext pqCtx = AllocSetContextCreate(CurrentMemoryContext,
                                                 "Ivfflat PQ temporary context",
                                                 ALLOCSET_DEFAULT_SIZES);
     MemoryContext oldCtx = MemoryContextSwitchTo(pqCtx);
 
-    IvfComputePQTable(buildstate->residuals, buildstate->params);
+    int res = IvfComputePQTable(buildstate->residuals, buildstate->params);
     MemoryContextSwitchTo(oldCtx);
     MemoryContextDelete(pqCtx);
+    return res;
 }
 
 /*
@@ -1120,7 +1121,13 @@ static void CreateEntryPages(IvfflatBuildState *buildstate, ForkNumber forkNum)
     /* Build PQTable by residusal */
     if (buildstate->enablePQ) {
         CopyResidaulFromList(buildstate);
-        ComputeIvfPQ(buildstate);
+        ereport(LOG, (errmsg("IVFPQ start to train codebook.")));
+        int success = ComputeIvfPQ(buildstate);
+        if (success == -1) {
+            ereport(ERROR, (errmsg("IVFPQ training codebook is failed.")));
+        } else {
+            ereport(LOG, (errmsg("IVFPQ finish to train codebook.")));
+        }
         if (buildstate->byResidual &&
             (buildstate->params->funcType == IVF_PQ_DIS_L2 || buildstate->params->funcType == IVF_PQ_DIS_COSINE))
             ComputePreTable(buildstate);