diff --git a/doc/examples/disaggregated/cluster/ddc-configmap.yaml b/doc/examples/disaggregated/cluster/ddc-configmap.yaml
index b204052..16527aa 100644
--- a/doc/examples/disaggregated/cluster/ddc-configmap.yaml
+++ b/doc/examples/disaggregated/cluster/ddc-configmap.yaml
@@ -25,7 +25,6 @@ spec:
     configMaps:
       - name: ms-configmap
     fdb:
-      # address: ${fdb_endpoint}
       configMapNamespaceName:
         name: ${fdb-configmap}
         namespace: ${fdb-namespace}
diff --git a/doc/examples/disaggregated/cluster/ddc-fdb-address.yaml b/doc/examples/disaggregated/cluster/ddc-fdb-address.yaml
new file mode 100644
index 0000000..d07b046
--- /dev/null
+++ b/doc/examples/disaggregated/cluster/ddc-fdb-address.yaml
@@ -0,0 +1,34 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+apiVersion: disaggregated.cluster.doris.com/v1
+kind: DorisDisaggregatedCluster
+metadata:
+  name: test-disaggregated-cluster
+spec:
+  metaService:
+    image: selectdb/doris.ms-ubuntu:3.0.2
+    fdb:
+      # fdb endpoint string from '$FDB_HOME/conf/fdb.cluster' by server direct deployment
+      address: ${fdb_endpoint}
+  feSpec:
+    replicas: 2
+    image: selectdb/doris.fe-ubuntu:3.0.2
+  computeGroups:
+    - uniqueId: cg1
+      replicas: 3
+      image: selectdb/doris.be-ubuntu:3.0.2
diff --git a/doc/examples/disaggregated/cluster/ddc-fdb-conf.yaml b/doc/examples/disaggregated/cluster/ddc-fdb-conf.yaml
new file mode 100644
index 0000000..c9d9ad4
--- /dev/null
+++ b/doc/examples/disaggregated/cluster/ddc-fdb-conf.yaml
@@ -0,0 +1,36 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+apiVersion: disaggregated.cluster.doris.com/v1
+kind: DorisDisaggregatedCluster
+metadata:
+  name: test-disaggregated-cluster
+spec:
+  metaService:
+    image: selectdb/doris.ms-ubuntu:3.0.2
+    fdb:
+      # fdb endpoint from fdb configmap by fdb-kubernetes-operator deployment
+      configMapNamespaceName:
+        name: ${fdb-configmap}
+        namespace: ${fdb-namespace}
+  feSpec:
+    replicas: 2
+    image: selectdb/doris.fe-ubuntu:3.0.2
+  computeGroups:
+    - uniqueId: cg1
+      replicas: 3
+      image: selectdb/doris.be-ubuntu:3.0.2
diff --git a/doc/examples/disaggregated/cluster/ddc-hosts-and-env.yaml b/doc/examples/disaggregated/cluster/ddc-hosts-and-env.yaml
new file mode 100644
index 0000000..4baeb75
--- /dev/null
+++ b/doc/examples/disaggregated/cluster/ddc-hosts-and-env.yaml
@@ -0,0 +1,54 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+apiVersion: disaggregated.cluster.doris.com/v1
+kind: DorisDisaggregatedCluster
+metadata:
+  name: test-disaggregated-cluster
+spec:
+  metaService:
+    image: selectdb/doris.ms-ubuntu:3.0.2
+    fdb:
+      configMapNamespaceName:
+        name: test-cluster-config
+        namespace: default
+    envVars:
+      - name: TZ
+        value: Asia/Shanghai
+  feSpec:
+    replicas: 2
+    image: selectdb/doris.fe-ubuntu:3.0.2
+    envVars:
+      - name: TZ
+        value: Asia/Shanghai
+    hostAliases:
+    - ip: 127.0.134.10
+      hostnames:
+      - 'host001'
+      - 'host002'
+  computeGroups:
+    - uniqueId: cg1
+      replicas: 3
+      image: selectdb/doris.be-ubuntu:3.0.2
+      envVars:
+      - name: TZ
+        value: Asia/Shanghai
+      hostAliases:
+      - ip: 127.0.134.10
+        hostnames:
+        - 'host001'
+        - 'host002'
\ No newline at end of file
diff --git a/doc/examples/disaggregated/cluster/ddc-pvc.yaml b/doc/examples/disaggregated/cluster/ddc-pvc.yaml
index 9f75563..21ec561 100644
--- a/doc/examples/disaggregated/cluster/ddc-pvc.yaml
+++ b/doc/examples/disaggregated/cluster/ddc-pvc.yaml
@@ -33,14 +33,15 @@ spec:
     replicas: 2
     image: selectdb/doris.fe-ubuntu:3.0.2
     persistentVolume:
-      # logNotStore: true
+      # logNotStore is true, will not create pv for fe log
+      logNotStore: true
       persistentVolumeClaimSpec:
       # storageClassName: ${storageclass_name}
         accessModes:
           - ReadWriteOnce
         resources:
           requests:
-            storage: 100Gi
+            storage: 120Gi
   computeGroups:
     - uniqueId: cg1
       replicas: 3
@@ -53,7 +54,7 @@ spec:
             - ReadWriteOnce
           resources:
             requests:
-              storage: 100Gi
+              storage: 120Gi
     - uniqueId: cg2
       replicas: 3
       image: selectdb/doris.be-ubuntu:3.0.2
@@ -65,4 +66,4 @@ spec:
             - ReadWriteOnce
           resources:
             requests:
-              storage: 100Gi
\ No newline at end of file
+              storage: 120Gi
\ No newline at end of file
diff --git a/doc/examples/disaggregated/cluster/ddc-sample.yaml b/doc/examples/disaggregated/cluster/ddc-sample.yaml
index d493cec..279ec50 100644
--- a/doc/examples/disaggregated/cluster/ddc-sample.yaml
+++ b/doc/examples/disaggregated/cluster/ddc-sample.yaml
@@ -23,7 +23,6 @@ spec:
   metaService:
     image: selectdb/doris.ms-ubuntu:3.0.2
     fdb:
-      # address: ${fdb_endpoint}
       configMapNamespaceName:
         name: test-cluster-config
         namespace: default
diff --git a/doc/examples/disaggregated/cluster/ddc-scaledown-decommission.yaml b/doc/examples/disaggregated/cluster/ddc-scaledown-decommission.yaml
new file mode 100644
index 0000000..5e7f21d
--- /dev/null
+++ b/doc/examples/disaggregated/cluster/ddc-scaledown-decommission.yaml
@@ -0,0 +1,39 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+apiVersion: disaggregated.cluster.doris.com/v1
+kind: DorisDisaggregatedCluster
+metadata:
+  name: test-disaggregated-cluster
+spec:
+  # enableDecommission default is false, when set true, the cluster will be decommissioned.
+  # Otherwise be will drop in cg
+  enableDecommission: true
+  metaService:
+    image: selectdb/doris.ms-ubuntu:3.0.2
+    fdb:
+      configMapNamespaceName:
+        name: test-cluster-config
+        namespace: default
+  feSpec:
+    replicas: 2
+    image: selectdb/doris.fe-ubuntu:3.0.2
+  computeGroups:
+    - uniqueId: cg1
+#      replicas: 3  (replicas before is 3)
+      replicas: 1
+      image: selectdb/doris.be-ubuntu:3.0.2
diff --git a/doc/examples/disaggregated/cluster/ddc-scaledown-dropcg.yaml b/doc/examples/disaggregated/cluster/ddc-scaledown-dropcg.yaml
new file mode 100644
index 0000000..f0defbe
--- /dev/null
+++ b/doc/examples/disaggregated/cluster/ddc-scaledown-dropcg.yaml
@@ -0,0 +1,39 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+apiVersion: disaggregated.cluster.doris.com/v1
+kind: DorisDisaggregatedCluster
+metadata:
+  name: test-disaggregated-cluster
+spec:
+  metaService:
+    image: selectdb/doris.ms-ubuntu:3.0.2
+    fdb:
+      configMapNamespaceName:
+        name: test-cluster-config
+        namespace: default
+  feSpec:
+    replicas: 2
+    image: selectdb/doris.fe-ubuntu:3.0.2
+  computeGroups:
+    - uniqueId: cg1
+      replicas: 3
+      image: selectdb/doris.be-ubuntu:3.0.2
+# In the existing cg configuration, delete the corresponding configuration and apply it, doris-operator will automatically offline the cg
+#    - uniqueId: cg2
+#      replicas: 3
+#      image: selectdb/doris.be-ubuntu:3.0.2
\ No newline at end of file
diff --git a/doc/examples/disaggregated/cluster/ddc-service-clusterip.yaml b/doc/examples/disaggregated/cluster/ddc-service-clusterip.yaml
new file mode 100644
index 0000000..3b23e8e
--- /dev/null
+++ b/doc/examples/disaggregated/cluster/ddc-service-clusterip.yaml
@@ -0,0 +1,40 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+apiVersion: disaggregated.cluster.doris.com/v1
+kind: DorisDisaggregatedCluster
+metadata:
+  name: test-disaggregated-cluster
+spec:
+  metaService:
+    image: selectdb/doris.ms-ubuntu:3.0.2
+    fdb:
+      configMapNamespaceName:
+        name: test-cluster-config
+        namespace: default
+  feSpec:
+    replicas: 2
+    image: selectdb/doris.fe-ubuntu:3.0.2
+    service:
+      type: ClusterIP
+  computeGroups:
+    - uniqueId: cg1
+      replicas: 3
+      image: selectdb/doris.be-ubuntu:3.0.2
+      # service type default is ClusterIP
+      # service:
+      #   type: ClusterIP
\ No newline at end of file
diff --git a/doc/examples/disaggregated/cluster/ddc-service-loadbalancer.yaml b/doc/examples/disaggregated/cluster/ddc-service-loadbalancer.yaml
new file mode 100644
index 0000000..bbcb142
--- /dev/null
+++ b/doc/examples/disaggregated/cluster/ddc-service-loadbalancer.yaml
@@ -0,0 +1,45 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+apiVersion: disaggregated.cluster.doris.com/v1
+kind: DorisDisaggregatedCluster
+metadata:
+  name: test-disaggregated-cluster
+spec:
+  metaService:
+    image: selectdb/doris.ms-ubuntu:3.0.2
+    fdb:
+      configMapNamespaceName:
+        name: test-cluster-config
+        namespace: default
+  feSpec:
+    replicas: 2
+    image: selectdb/doris.fe-ubuntu:3.0.2
+    service:
+      type: LoadBalancer
+      # The configuration of annotations from the cloud platform provider
+      annotations:
+        service.beta.kubernetes.io/alibaba-cloud-loadbalancer-address-type: "intranet"
+  computeGroups:
+    - uniqueId: cg1
+      replicas: 3
+      image: selectdb/doris.be-ubuntu:3.0.2
+      service:
+        type: LoadBalancer
+        # The configuration of annotations from the cloud platform provider
+        annotations:
+          service.beta.kubernetes.io/alibaba-cloud-loadbalancer-address-type: "intranet"
\ No newline at end of file
diff --git a/doc/examples/disaggregated/cluster/ddc-service-nodeport.yaml b/doc/examples/disaggregated/cluster/ddc-service-nodeport.yaml
new file mode 100644
index 0000000..29cb5e8
--- /dev/null
+++ b/doc/examples/disaggregated/cluster/ddc-service-nodeport.yaml
@@ -0,0 +1,57 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+apiVersion: disaggregated.cluster.doris.com/v1
+kind: DorisDisaggregatedCluster
+metadata:
+  name: test-disaggregated-cluster
+spec:
+  metaService:
+    image: selectdb/doris.ms-ubuntu:3.0.2
+    fdb:
+      configMapNamespaceName:
+        name: test-cluster-config
+        namespace: default
+  feSpec:
+    replicas: 2
+    image: selectdb/doris.fe-ubuntu:3.0.2
+    service:
+      type: NodePort
+      portMaps:
+        - nodePort: 31001
+          targetPort: 8030
+        - nodePort: 31002
+          targetPort: 9020
+        - nodePort: 31003
+          targetPort: 9030
+        - nodePort: 31004
+          targetPort: 9010
+  computeGroups:
+    - uniqueId: cg1
+      replicas: 3
+      image: selectdb/doris.be-ubuntu:3.0.2
+      service:
+        type: NodePort
+        portMaps:
+          - nodePort: 31011
+            targetPort: 9060
+          - nodePort: 31012
+            targetPort: 8040
+          - nodePort: 31013
+            targetPort: 9050
+          - nodePort: 31014
+            targetPort: 8060
\ No newline at end of file
diff --git a/doc/examples/disaggregated/cluster/ddc-single-fe.yaml b/doc/examples/disaggregated/cluster/ddc-single-fe.yaml
new file mode 100644
index 0000000..9dead6f
--- /dev/null
+++ b/doc/examples/disaggregated/cluster/ddc-single-fe.yaml
@@ -0,0 +1,38 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+apiVersion: disaggregated.cluster.doris.com/v1
+kind: DorisDisaggregatedCluster
+metadata:
+  name: test-disaggregated-cluster
+spec:
+  metaService:
+    image: selectdb/doris.ms-ubuntu:3.0.2
+    configMaps:
+      - name: ms-configmap
+    fdb:
+      configMapNamespaceName:
+        name: ${fdb-configmap}
+        namespace: ${fdb-namespace}
+  feSpec:
+    replicas: 1
+    electionNumber: 1
+    image: selectdb/doris.fe-ubuntu:3.0.2
+  computeGroups:
+    - uniqueId: cg1
+      replicas: 3
+      image: selectdb/doris.be-ubuntu:3.0.2
diff --git a/doc/examples/disaggregated/cluster/ddc-system-init.yaml b/doc/examples/disaggregated/cluster/ddc-system-init.yaml
new file mode 100644
index 0000000..194d7b0
--- /dev/null
+++ b/doc/examples/disaggregated/cluster/ddc-system-init.yaml
@@ -0,0 +1,41 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+apiVersion: disaggregated.cluster.doris.com/v1
+kind: DorisDisaggregatedCluster
+metadata:
+  name: test-disaggregated-cluster
+spec:
+  metaService:
+    image: selectdb/doris.ms-ubuntu:3.0.2
+    fdb:
+      configMapNamespaceName:
+        name: test-cluster-config
+        namespace: default
+  feSpec:
+    replicas: 2
+    image: selectdb/doris.fe-ubuntu:3.0.2
+  computeGroups:
+    - uniqueId: cg1
+      replicas: 3
+      image: selectdb/doris.be-ubuntu:3.0.2
+      systemInitialization:
+        # 'initImage' is used to initialize the system parameter configuration that be depends on.
+        # 'selectdb/alpine:latest' is used by default. If you need to customize or modify the image name, you must modify the 'initImage' configuration
+        initImage: selectdb/alpine:latest
+        command: [ "/sbin/sysctl", "-w", "vm.max_map_count=2000000" ]
+