diff --git a/.github/actions/complexEnvBuilder/action.yml b/.github/actions/complexEnvBuilder/action.yml
new file mode 100644
index 0000000000..cce9b8da47
--- /dev/null
+++ b/.github/actions/complexEnvBuilder/action.yml
@@ -0,0 +1,36 @@
+name: "complex-env-builder"
+description: "complex environment builder"
+inputs:
+    build-type:
+        description: "the way to test"
+        required: false
+        default: SDMF
+    metadata:
+        description: "metadata service"
+        required: false
+        default: zookeeper
+runs:
+    using: "composite" # Mandatory parameter
+    steps:
+        - if: inputs.build-type=='SDMF-Less-Conn' || inputs.build-type=='SDMF-Enough-Conn'
+          name: Stop and clear Metadata Service
+          uses: ./.github/actions/context
+          with:
+              work-name: stop-iginx-meta
+              metadata: ${{ inputs.metadata }}
+
+        - if: inputs.build-type=='SDMF-Less-Conn' || inputs.build-type=='SDMF-Enough-Conn'
+          name: Run Metadata Service
+          uses: ./.github/actions/metadataRunner
+          with:
+              metadata: ${{ inputs.metadata }}
+
+        - if: inputs.build-type=='SDMF-Less-Conn' || inputs.build-type=='SDMF-Enough-Conn'
+          name: Change IGinX config
+          uses: ./.github/actions/confWriter
+          with:
+              Test-Way: inputs.build-type
+
+        - if: inputs.build-type=='SDMF-Less-Conn' || inputs.build-type=='SDMF-Enough-Conn'
+          name: Start IGinX
+          uses: ./.github/actions/iginxRunner
diff --git a/.github/actions/confWriter/action.yml b/.github/actions/confWriter/action.yml
index 117ddbaa2e..42b9731de8 100644
--- a/.github/actions/confWriter/action.yml
+++ b/.github/actions/confWriter/action.yml
@@ -200,3 +200,8 @@ runs:
                 echo "$RUNNER_OS is not supported"
                 exit 1
               fi
+
+#        - if: inputs.Test-Way=='SDMF'
+#          name: Change the config for SDMF
+#          shell: bash
+#          run: |
diff --git a/.github/scripts/test/SDMF/SDMF_insert.sh b/.github/scripts/test/SDMF/SDMF_insert.sh
new file mode 100644
index 0000000000..27e45f4656
--- /dev/null
+++ b/.github/scripts/test/SDMF/SDMF_insert.sh
@@ -0,0 +1,28 @@
+#!/bin/bash
+set +e
+SCRIPT_COMMAND="/home/lhz/lhz/iginx-client-*/sbin/start_cli.sh"
+BATCH=10
+ALL=10
+
+for ((k = 1; k <= 19; k++)); do
+    P="a$k"
+    for ((i = 0; i <= $ALL-$BATCH; i += $BATCH)); do
+        COMMAND=""
+        for ((j = i; j < i + $BATCH && j <= 100000; j++)); do
+            value=$((j + 1))
+            COMMAND+="($j, $value),"
+        done
+
+        COMMAND=${COMMAND%,}
+
+        COMMAND="insert into a.b(key, $P) values $COMMAND;"
+        # 创建临时文件
+        TEMP_FILE=./tmp/$P_$i.txt
+
+        echo "$COMMAND" > "$TEMP_FILE"
+        # 使用重定向输入的方式执行命令
+        bash -c "cat $TEMP_FILE | $SCRIPT_COMMAND > output.txt 2>&1"
+#        bash -c "$SCRIPT_COMMAND > output.txt 2>&1"
+    done
+done
+echo "insert done"
diff --git a/.github/scripts/test/SDMF/SDMF_insert_query.sh b/.github/scripts/test/SDMF/SDMF_insert_query.sh
new file mode 100644
index 0000000000..4e4e906c7e
--- /dev/null
+++ b/.github/scripts/test/SDMF/SDMF_insert_query.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+set +e
+chmod +x .github/scripts/test/SDMF/*.sh
+
+.github/scripts/test/SDMF/SDMF_insert.sh
+
+sleep 10
+
+.github/scripts/test/SDMF/SDMF_query.sh
+
+sleep 10
+
+.github/scripts/test/SDMF/result_merge.sh
+
+trap 'exit 0' ERR
\ No newline at end of file
diff --git a/.github/scripts/test/SDMF/SDMF_query.sh b/.github/scripts/test/SDMF/SDMF_query.sh
new file mode 100644
index 0000000000..f6af6dc00c
--- /dev/null
+++ b/.github/scripts/test/SDMF/SDMF_query.sh
@@ -0,0 +1,27 @@
+#!/bin/bash
+set +e
+SCRIPT_COMMAND="/home/lhz/lhz/iginx-client-0.6.0-SNAPSHOT/sbin/start_cli.sh"
+TIMES=$1
+PLL=10
+echo "" > read_output.txt
+mkdir tmp
+for ((k = 1; k <= $TIMES; k++)); do
+    for ((i = 1; i <= $PLL; i += 1)); do
+        COMMAND="select a1,a2,a3,a4,a5,a6,a7,a10,a11,a12,a13,a14,a15,a16,a17,a18,a19 from a.b where key<100000;"
+        TEMP_FILE=./tmp/tmp_${k}_${i}.txt
+        echo "$COMMAND" > "$TEMP_FILE"
+        # 使用重定向输入的方式执行命令
+        # bash -c "cat $TEMP_FILE | $SCRIPT_COMMAND  >> ./tmp/read_output_${k}_${i}.txt && cat ./tmp/read_output_${k}_${i}.txt >> read_output.txt &" &
+        bash -c "cat $TEMP_FILE | $SCRIPT_COMMAND  >> ./tmp/read_output_${k}_${i}.txt &" &
+    done
+done
+
+for ((k = 1; k <= $TIMES; k++)); do
+    for ((i = 1; i <= $PLL; i += 1)); do
+        rm ./tmp/tmp_${k}_${i}.txt
+    done
+done
+echo "query done"
+
+
+
diff --git a/.github/scripts/test/SDMF/result_merge.sh b/.github/scripts/test/SDMF/result_merge.sh
new file mode 100644
index 0000000000..c144fb575f
--- /dev/null
+++ b/.github/scripts/test/SDMF/result_merge.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+set +e
+TIMES=10
+PLL=10
+echo "" > read_output_all.txt
+# 将单独的输出文件追加到总的输出文件中
+for ((k = 1; k <= $TIMES; k++)); do
+    for ((i = 0; i <= $PLL; i += 1)); do
+        OUTPUT_FILE="./tmp/read_output_${k}_${i}.txt"
+        cat "$OUTPUT_FILE" >> read_output_all.txt
+        rm "$OUTPUT_FILE"  # 清理单独的输出文件
+    done
+done
diff --git a/.github/scripts/test/SDMF/time_avg_judge.sh b/.github/scripts/test/SDMF/time_avg_judge.sh
new file mode 100644
index 0000000000..49c658ce44
--- /dev/null
+++ b/.github/scripts/test/SDMF/time_avg_judge.sh
@@ -0,0 +1,21 @@
+#!/bin/bash
+set +e
+# 指定文件路径
+file_path="/home/lhz/lhz/iginx/conn_test/test_shell/read_output_all.txt"  # 替换为你的文件路径
+
+# 统计匹配到的字符串数量和总耗时
+count=$(grep -o "Time cost: [0-9]\+ ms" "$file_path" | wc -l)
+total_time=$(grep -o "Time cost: [0-9]\+ ms" "$file_path" | awk '{ total += $3 } END { print total }')
+
+# 计算平均耗时
+if [ "$count" -eq 0 ]; then
+    average_time=0
+else
+    average_time=$(echo "scale=2; $total_time / $count" | bc)
+fi
+
+# 打印结果
+echo "总共匹配到 $count 个字符串"
+echo "平均耗时为 $average_time ms"
+
+trap 'exit 0' ERR
diff --git a/.github/scripts/test/SDMF/time_gather.sh b/.github/scripts/test/SDMF/time_gather.sh
new file mode 100644
index 0000000000..83080c2207
--- /dev/null
+++ b/.github/scripts/test/SDMF/time_gather.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+set +e
+# 指定文件路径
+file_path="/home/lhz/lhz/iginx/conn_test/test_shell/read_output_all.txt"  # 替换为你的文件路径
+
+# 提取匹配到的耗时值，并将其写入临时文件
+grep -o "Time cost: [0-9]\+ ms" "$file_path" | awk '{ print $3 }' > all_time_file.txt
+
+trap 'exit 0' ERR
\ No newline at end of file
diff --git a/.github/scripts/test/SDMF/timeout_judge.sh b/.github/scripts/test/SDMF/timeout_judge.sh
new file mode 100644
index 0000000000..1f95f001de
--- /dev/null
+++ b/.github/scripts/test/SDMF/timeout_judge.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+set +e
+# 检查read_output_all.txt文件是否包含"exception"字段
+if grep -q "Exception" "read_output_all.txt"; then
+    echo "Error: Exception found in read_output_all.txt."
+#    exit 1
+else
+    echo "No exception found in read_output_all.txt."
+#    exit 0
+fi
+
+trap 'exit 0' ERR
\ No newline at end of file
diff --git a/.github/workflows/standalone-test-pushdown.yml b/.github/workflows/standalone-test-pushdown.yml
index c4116604e3..4ead8e1498 100644
--- a/.github/workflows/standalone-test-pushdown.yml
+++ b/.github/workflows/standalone-test-pushdown.yml
@@ -102,3 +102,32 @@ jobs:
               shell: bash
               run: |
                   cat iginx-*.log
+
+            # test push down in sigle DU multi fragment
+            - name: Build the complex test environment
+              uses: ./.github/actions/complexEnvBuilder
+              with:
+                  build-type: SDMF-Less-Conn
+
+            - name: Query optimization test for merging fragment
+              shell: bash
+              run: |
+                  chmod +x "${GITHUB_WORKSPACE}/.github/scripts/test/SDMF/SDMF_insert_query.sh"
+                  "${GITHUB_WORKSPACE}/.github/scripts/test/SDMF/SDMF_insert_query.sh"
+                  chmod +x "${GITHUB_WORKSPACE}/.github/scripts/test/SDMF/timeout_judge.sh"
+                  "${GITHUB_WORKSPACE}/.github/scripts/test/SDMF/timeout_judge.sh"
+
+            # test push down in sigle DU multi fragment
+            - name: Build the complex test environment
+              uses: ./.github/actions/complexEnvBuilder
+              with:
+                  build-type: SDMF-Enough-Conn
+
+            - name: test query time after
+              shell: bash
+              run: |
+                  "${GITHUB_WORKSPACE}/.github/scripts/test/SDMF/SDMF_insert_query.sh"
+                  chmod +x "${GITHUB_WORKSPACE}/.github/scripts/test/SDMF/time_gather.sh"
+                  "${GITHUB_WORKSPACE}/.github/scripts/test/SDMF/time_gather.sh"
+                  chmod +x "${GITHUB_WORKSPACE}/.github/scripts/test/SDMF/time_avg_judge.sh"
+                  "${GITHUB_WORKSPACE}/.github/scripts/test/SDMF/time_avg_judge.sh"
diff --git a/.github/workflows/standard-test-suite.yml b/.github/workflows/standard-test-suite.yml
index a4f8234894..c211af50be 100644
--- a/.github/workflows/standard-test-suite.yml
+++ b/.github/workflows/standard-test-suite.yml
@@ -11,27 +11,27 @@ concurrency:
     cancel-in-progress: true
 
 jobs:
-    unit-test:
-        uses: ./.github/workflows/unit-test.yml
-    unit-mds:
-        uses: ./.github/workflows/unit-mds.yml
-    case-regression:
-        uses: ./.github/workflows/case-regression.yml
-        with:
-            metadata-matrix: '["zookeeper"]'
-    standalone-test:
-        uses: ./.github/workflows/standalone-test.yml
-        with:
-            metadata-matrix: '["zookeeper"]'
+#    unit-test:
+#        uses: ./.github/workflows/unit-test.yml
+#    unit-mds:
+#        uses: ./.github/workflows/unit-mds.yml
+#    case-regression:
+#        uses: ./.github/workflows/case-regression.yml
+#        with:
+#            metadata-matrix: '["zookeeper"]'
+#    standalone-test:
+#        uses: ./.github/workflows/standalone-test.yml
+#        with:
+#            metadata-matrix: '["zookeeper"]'
     standalone-test-pushdown:
         uses: ./.github/workflows/standalone-test-pushdown.yml
         with:
             metadata-matrix: '["zookeeper"]'
-    db-ce:
-        uses: ./.github/workflows/DB-CE.yml
-        with:
-            metadata-matrix: '["zookeeper"]'
-    remote-test:
-        uses: ./.github/workflows/remote-test.yml
-        with:
-            metadata-matrix: '["zookeeper"]'
+#    db-ce:
+#        uses: ./.github/workflows/DB-CE.yml
+#        with:
+#            metadata-matrix: '["zookeeper"]'
+#    remote-test:
+#        uses: ./.github/workflows/remote-test.yml
+#        with:
+#            metadata-matrix: '["zookeeper"]'