diff --git a/deployer/src/main/resources/metrics/Canal_instances_tmpl.json b/deployer/src/main/resources/metrics/Canal_instances_tmpl.json
new file mode 100644
index 00000000..be9cc0e7
--- /dev/null
+++ b/deployer/src/main/resources/metrics/Canal_instances_tmpl.json
@@ -0,0 +1,1285 @@
+{
+  "__inputs": [],
+  "__requires": [
+    {
+      "type": "grafana",
+      "id": "grafana",
+      "name": "Grafana",
+      "version": "5.2.2"
+    },
+    {
+      "type": "panel",
+      "id": "graph",
+      "name": "Graph",
+      "version": "5.0.0"
+    }
+  ],
+  "annotations": {
+    "list": [
+      {
+        "builtIn": 1,
+        "datasource": "-- Grafana --",
+        "enable": true,
+        "hide": true,
+        "iconColor": "rgba(0, 211, 255, 1)",
+        "name": "Annotations & Alerts",
+        "type": "dashboard"
+      }
+    ]
+  },
+  "editable": true,
+  "gnetId": null,
+  "graphTooltip": 0,
+  "id": null,
+  "iteration": 1534552626378,
+  "links": [],
+  "panels": [
+    {
+      "collapsed": false,
+      "gridPos": {
+        "h": 1,
+        "w": 24,
+        "x": 0,
+        "y": 0
+      },
+      "id": 30,
+      "panels": [],
+      "title": "Instance status",
+      "type": "row"
+    },
+    {
+      "aliasColors": {},
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "$datasource",
+      "description": "Canal instance 基本信息。",
+      "fill": 1,
+      "gridPos": {
+        "h": 5,
+        "w": 6,
+        "x": 0,
+        "y": 1
+      },
+      "id": 24,
+      "legend": {
+        "alignAsTable": true,
+        "avg": false,
+        "current": false,
+        "hideEmpty": false,
+        "hideZero": false,
+        "max": false,
+        "min": false,
+        "rightSide": true,
+        "show": true,
+        "sideWidth": 500,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 1,
+      "links": [],
+      "nullPointMode": "null",
+      "percentage": false,
+      "pointradius": 5,
+      "points": false,
+      "renderer": "flot",
+      "repeat": null,
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "canal_instance{destination=~\"$destination\"}",
+          "format": "time_series",
+          "instant": true,
+          "intervalFactor": 1,
+          "legendFormat": "Destination: {{destination}}",
+          "refId": "A"
+        },
+        {
+          "expr": "canal_instance_parser_mode{destination=~\"$destination\"}",
+          "format": "time_series",
+          "instant": true,
+          "intervalFactor": 1,
+          "legendFormat": "Parallel parser: {{parallel}}",
+          "refId": "B"
+        },
+        {
+          "expr": "canal_instance_store{destination=~\"$destination\"}",
+          "format": "time_series",
+          "instant": true,
+          "intervalFactor": 1,
+          "legendFormat": "Batch mode: {{batchMode}}",
+          "refId": "C"
+        },
+        {
+          "expr": "canal_instance_store{destination=~\"$destination\"}",
+          "format": "time_series",
+          "instant": true,
+          "intervalFactor": 1,
+          "legendFormat": "Buffer size: {{size}}",
+          "refId": "D"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeShift": null,
+      "title": "Basic",
+      "tooltip": {
+        "shared": true,
+        "sort": 0,
+        "value_type": "individual"
+      },
+      "transparent": true,
+      "type": "graph",
+      "xaxis": {
+        "buckets": null,
+        "mode": "time",
+        "name": null,
+        "show": false,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": false
+        },
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": false
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    },
+    {
+      "aliasColors": {
+        "inbound": "#bf1b00"
+      },
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "$datasource",
+      "description": "Canal instance 网络带宽占用。\ninbound: 读取MySQL binlog.\noutbound: 对Client端传输格式化binlog.",
+      "fill": 1,
+      "gridPos": {
+        "h": 5,
+        "w": 6,
+        "x": 6,
+        "y": 1
+      },
+      "id": 6,
+      "legend": {
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": false,
+        "show": true,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 1,
+      "links": [],
+      "nullPointMode": "null",
+      "percentage": false,
+      "pointradius": 5,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "rate(canal_instance_received_binlog_bytes{destination=~\"$destination\"}[2m]) / 1024",
+          "format": "time_series",
+          "interval": "15s",
+          "intervalFactor": 2,
+          "legendFormat": "inbound",
+          "refId": "A"
+        },
+        {
+          "expr": "rate(canal_instance_client_bytes{destination=~\"$destination\"}[2m]) / 1024",
+          "format": "time_series",
+          "interval": "15s",
+          "intervalFactor": 2,
+          "legendFormat": "outbound",
+          "refId": "B"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeShift": null,
+      "title": "Network bandwith",
+      "tooltip": {
+        "shared": true,
+        "sort": 0,
+        "value_type": "individual"
+      },
+      "type": "graph",
+      "xaxis": {
+        "buckets": null,
+        "mode": "time",
+        "name": null,
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "format": "KBs",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        },
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    },
+    {
+      "aliasColors": {},
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "$datasource",
+      "description": "Canal instance 相对于master的延时。",
+      "fill": 1,
+      "gridPos": {
+        "h": 5,
+        "w": 6,
+        "x": 12,
+        "y": 1
+      },
+      "id": 4,
+      "legend": {
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": false,
+        "show": true,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 1,
+      "links": [],
+      "nullPointMode": "null",
+      "percentage": false,
+      "pointradius": 5,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "canal_instance_traffic_delay{destination=~\"$destination\"} / 1000",
+          "format": "time_series",
+          "interval": "15s",
+          "intervalFactor": 2,
+          "legendFormat": "delay",
+          "refId": "A"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeShift": null,
+      "title": "Delay",
+      "tooltip": {
+        "shared": true,
+        "sort": 0,
+        "value_type": "individual"
+      },
+      "type": "graph",
+      "xaxis": {
+        "buckets": null,
+        "mode": "time",
+        "name": null,
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "format": "s",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        },
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    },
+    {
+      "aliasColors": {},
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "$datasource",
+      "description": "sink线程idle占比；dump线程idle占比(仅parallel mode)。",
+      "fill": 1,
+      "gridPos": {
+        "h": 5,
+        "w": 6,
+        "x": 18,
+        "y": 1
+      },
+      "hideTimeOverride": false,
+      "id": 2,
+      "legend": {
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": false,
+        "show": true,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 1,
+      "links": [],
+      "nullPointMode": "null",
+      "percentage": false,
+      "pointradius": 5,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "clamp_max(rate(canal_instance_sink_blocking_time{destination=~\"$destination\"}[2m]), 1000) / 10",
+          "format": "time_series",
+          "interval": "15s",
+          "intervalFactor": 2,
+          "legendFormat": "dump",
+          "refId": "A"
+        },
+        {
+          "expr": "clamp_max(rate(canal_instance_publish_blocking_time{destination=~\"$destination\"}[2m]), 1000) / 10",
+          "format": "time_series",
+          "interval": "15s",
+          "intervalFactor": 2,
+          "legendFormat": "sink",
+          "refId": "B"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeShift": null,
+      "title": "Idle",
+      "tooltip": {
+        "shared": true,
+        "sort": 0,
+        "value_type": "individual"
+      },
+      "type": "graph",
+      "xaxis": {
+        "buckets": null,
+        "mode": "time",
+        "name": null,
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "format": "percent",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        },
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    },
+    {
+      "collapsed": false,
+      "gridPos": {
+        "h": 1,
+        "w": 24,
+        "x": 0,
+        "y": 6
+      },
+      "id": 32,
+      "panels": [],
+      "title": "Throughput",
+      "type": "row"
+    },
+    {
+      "aliasColors": {
+        "TPS": "#64b0c8"
+      },
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "$datasource",
+      "description": "Canal client instance消费binlog的TPS， 以MySQL binlog events为单位计算。",
+      "fill": 1,
+      "gridPos": {
+        "h": 5,
+        "w": 6,
+        "x": 0,
+        "y": 7
+      },
+      "id": 8,
+      "legend": {
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": false,
+        "show": true,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 1,
+      "links": [],
+      "nullPointMode": "null",
+      "percentage": false,
+      "pointradius": 5,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "rate(canal_instance_store_consume_seq{destination=~\"$destination\"}[2m])",
+          "format": "time_series",
+          "interval": "15s",
+          "intervalFactor": 2,
+          "legendFormat": "events",
+          "refId": "A"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeShift": null,
+      "title": "TPS",
+      "tooltip": {
+        "shared": true,
+        "sort": 0,
+        "value_type": "individual"
+      },
+      "type": "graph",
+      "xaxis": {
+        "buckets": null,
+        "mode": "time",
+        "name": null,
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "format": "iops",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        },
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    },
+    {
+      "aliasColors": {
+        "transactions": "#f9ba8f"
+      },
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "$datasource",
+      "description": "Canal instance 处理binlog的TPS，以MySQL transaction为单位计算。",
+      "fill": 1,
+      "gridPos": {
+        "h": 5,
+        "w": 6,
+        "x": 6,
+        "y": 7
+      },
+      "id": 12,
+      "legend": {
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": false,
+        "show": true,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 1,
+      "links": [],
+      "nullPointMode": "null",
+      "percentage": false,
+      "pointradius": 5,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "rate(canal_instance_transactions{destination=~\"$destination\"}[2m])",
+          "format": "time_series",
+          "interval": "15s",
+          "intervalFactor": 2,
+          "legendFormat": "transactions",
+          "refId": "A"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeShift": null,
+      "title": "TPS(MySQL transaction)",
+      "tooltip": {
+        "shared": true,
+        "sort": 0,
+        "value_type": "individual"
+      },
+      "type": "graph",
+      "xaxis": {
+        "buckets": null,
+        "mode": "time",
+        "name": null,
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "format": "iops",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        },
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    },
+    {
+      "aliasColors": {
+        "rowDatas": "#7eb26d",
+        "tableRows": "#c15c17"
+      },
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "$datasource",
+      "description": "Canal instance处理binlog的TPS。\n1. table rows：以table变更行数为单位。\n2. row data：rowData events为单位。",
+      "fill": 1,
+      "gridPos": {
+        "h": 5,
+        "w": 6,
+        "x": 12,
+        "y": 7
+      },
+      "id": 14,
+      "legend": {
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": false,
+        "show": true,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 1,
+      "links": [],
+      "nullPointMode": "null",
+      "percentage": false,
+      "pointradius": 5,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "rate(canal_instance_rows_counter{destination=~\"$destination\"}[30s])",
+          "format": "time_series",
+          "interval": "15s",
+          "intervalFactor": 2,
+          "legendFormat": "tableRows",
+          "refId": "A"
+        },
+        {
+          "expr": "rate(canal_instance_row_events{destination=~\"$destination\"}[30s])",
+          "format": "time_series",
+          "interval": "15s",
+          "intervalFactor": 2,
+          "legendFormat": "rowDatas",
+          "refId": "B"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeShift": null,
+      "title": "TPS(table rows VS row data)",
+      "tooltip": {
+        "shared": true,
+        "sort": 0,
+        "value_type": "individual"
+      },
+      "type": "graph",
+      "xaxis": {
+        "buckets": null,
+        "mode": "time",
+        "name": null,
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "format": "iops",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        },
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    },
+    {
+      "collapsed": false,
+      "gridPos": {
+        "h": 1,
+        "w": 24,
+        "x": 0,
+        "y": 12
+      },
+      "id": 34,
+      "panels": [],
+      "title": "Client",
+      "type": "row"
+    },
+    {
+      "aliasColors": {},
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "$datasource",
+      "description": "Canal instance接收到的请求统计，结果按packet type分类。",
+      "fill": 1,
+      "gridPos": {
+        "h": 5,
+        "w": 6,
+        "x": 0,
+        "y": 13
+      },
+      "id": 16,
+      "legend": {
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": false,
+        "show": true,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 1,
+      "links": [],
+      "nullPointMode": "null",
+      "percentage": false,
+      "pointradius": 5,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "canal_instance_client_packets{destination=~\"$destination\"}",
+          "format": "time_series",
+          "interval": "15s",
+          "intervalFactor": 2,
+          "legendFormat": "{{packetType}}",
+          "refId": "A"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeShift": null,
+      "title": "Client requests",
+      "tooltip": {
+        "shared": true,
+        "sort": 0,
+        "value_type": "individual"
+      },
+      "type": "graph",
+      "xaxis": {
+        "buckets": null,
+        "mode": "time",
+        "name": null,
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "format": "none",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        },
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    },
+    {
+      "aliasColors": {},
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "$datasource",
+      "description": "Canal client 请求latency概况。",
+      "fill": 1,
+      "gridPos": {
+        "h": 5,
+        "w": 6,
+        "x": 6,
+        "y": 13
+      },
+      "id": 18,
+      "legend": {
+        "alignAsTable": false,
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": false,
+        "rightSide": false,
+        "show": true,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 1,
+      "links": [],
+      "nullPointMode": "null",
+      "percentage": false,
+      "pointradius": 5,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [
+        {
+          "alias": "25.0",
+          "yaxis": 1
+        },
+        {
+          "alias": "100.0",
+          "yaxis": 1
+        }
+      ],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "rate(canal_instance_client_request_latency_bucket{destination=~\"$destination\"}[2m])",
+          "format": "time_series",
+          "interval": "15s",
+          "intervalFactor": 2,
+          "legendFormat": "{{le}}ms",
+          "refId": "A"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeShift": null,
+      "title": "Latency",
+      "tooltip": {
+        "shared": true,
+        "sort": 0,
+        "value_type": "individual"
+      },
+      "transparent": false,
+      "type": "graph",
+      "xaxis": {
+        "buckets": null,
+        "mode": "time",
+        "name": null,
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        },
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    },
+    {
+      "aliasColors": {},
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "$datasource",
+      "description": "server响应GET请求，但返回空包的占比。",
+      "fill": 1,
+      "gridPos": {
+        "h": 5,
+        "w": 6,
+        "x": 12,
+        "y": 13
+      },
+      "id": 26,
+      "legend": {
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": false,
+        "show": true,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 1,
+      "links": [],
+      "nullPointMode": "null",
+      "percentage": false,
+      "pointradius": 5,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "rate(canal_instance_client_empty_batches{destination=~\"$destination\"}[2m])",
+          "format": "time_series",
+          "interval": "15s",
+          "intervalFactor": 2,
+          "legendFormat": "empty",
+          "refId": "A"
+        },
+        {
+          "expr": "rate(canal_instance_client_packets{destination=~\"$destination\", packetType=\"GET\"}[2m])",
+          "format": "time_series",
+          "intervalFactor": 1,
+          "legendFormat": "total",
+          "refId": "B"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeShift": null,
+      "title": "Empty packets",
+      "tooltip": {
+        "shared": true,
+        "sort": 0,
+        "value_type": "individual"
+      },
+      "type": "graph",
+      "xaxis": {
+        "buckets": null,
+        "mode": "time",
+        "name": null,
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "format": "wps",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        },
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    },
+    {
+      "collapsed": false,
+      "gridPos": {
+        "h": 1,
+        "w": 24,
+        "x": 0,
+        "y": 18
+      },
+      "id": 36,
+      "panels": [],
+      "title": "Store",
+      "type": "row"
+    },
+    {
+      "aliasColors": {},
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "$datasource",
+      "description": "Canal instance ringbuffer内未释放的events数量。",
+      "fill": 1,
+      "gridPos": {
+        "h": 5,
+        "w": 6,
+        "x": 0,
+        "y": 19
+      },
+      "id": 20,
+      "legend": {
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": false,
+        "show": true,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 1,
+      "links": [],
+      "nullPointMode": "null",
+      "percentage": false,
+      "pointradius": 5,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "canal_instance_store_produce_seq{destination=~\"$destination\"} - canal_instance_store_consume_seq{destination=~\"$destination\"}",
+          "format": "time_series",
+          "interval": "15s",
+          "intervalFactor": 2,
+          "legendFormat": "events",
+          "refId": "A"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeShift": null,
+      "title": "Store remain events",
+      "tooltip": {
+        "shared": true,
+        "sort": 0,
+        "value_type": "individual"
+      },
+      "type": "graph",
+      "xaxis": {
+        "buckets": null,
+        "mode": "time",
+        "name": null,
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "decimals": null,
+          "format": "none",
+          "label": "",
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        },
+        {
+          "decimals": null,
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    },
+    {
+      "aliasColors": {},
+      "bars": false,
+      "dashLength": 10,
+      "dashes": false,
+      "datasource": "$datasource",
+      "description": "Canal instance ringbuffer 内未释放events占用内存。",
+      "fill": 1,
+      "gridPos": {
+        "h": 5,
+        "w": 6,
+        "x": 6,
+        "y": 19
+      },
+      "id": 22,
+      "legend": {
+        "avg": false,
+        "current": false,
+        "max": false,
+        "min": false,
+        "show": true,
+        "total": false,
+        "values": false
+      },
+      "lines": true,
+      "linewidth": 1,
+      "links": [],
+      "nullPointMode": "null",
+      "percentage": false,
+      "pointradius": 5,
+      "points": false,
+      "renderer": "flot",
+      "seriesOverrides": [],
+      "spaceLength": 10,
+      "stack": false,
+      "steppedLine": false,
+      "targets": [
+        {
+          "expr": "(canal_instance_store_produce_mem{destination=~\"$destination\"} - canal_instance_store_consume_mem{destination=~\"$destination\"}) / 1024",
+          "format": "time_series",
+          "interval": "15s",
+          "intervalFactor": 2,
+          "legendFormat": "memsize",
+          "refId": "A"
+        }
+      ],
+      "thresholds": [],
+      "timeFrom": null,
+      "timeShift": null,
+      "title": "Store remain mem",
+      "tooltip": {
+        "shared": true,
+        "sort": 0,
+        "value_type": "individual"
+      },
+      "type": "graph",
+      "xaxis": {
+        "buckets": null,
+        "mode": "time",
+        "name": null,
+        "show": true,
+        "values": []
+      },
+      "yaxes": [
+        {
+          "format": "deckbytes",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        },
+        {
+          "format": "short",
+          "label": null,
+          "logBase": 1,
+          "max": null,
+          "min": null,
+          "show": true
+        }
+      ],
+      "yaxis": {
+        "align": false,
+        "alignLevel": null
+      }
+    }
+  ],
+  "refresh": false,
+  "schemaVersion": 16,
+  "style": "dark",
+  "tags": [
+    "canal"
+  ],
+  "templating": {
+    "list": [
+      {
+        "current": {
+          "text": "prometheus",
+          "value": "prometheus"
+        },
+        "hide": 0,
+        "label": "datasource",
+        "name": "datasource",
+        "options": [],
+        "query": "prometheus",
+        "refresh": 1,
+        "regex": "",
+        "type": "datasource"
+      },
+      {
+        "allValue": null,
+        "current": {},
+        "datasource": "$datasource",
+        "hide": 0,
+        "includeAll": false,
+        "label": "destination",
+        "multi": false,
+        "name": "destination",
+        "options": [],
+        "query": "label_values(canal_instance, destination)",
+        "refresh": 1,
+        "regex": "",
+        "sort": 0,
+        "tagValuesQuery": "",
+        "tags": [],
+        "tagsQuery": "",
+        "type": "query",
+        "useTags": false
+      }
+    ]
+  },
+  "time": {
+    "from": "now-1h",
+    "to": "now"
+  },
+  "timepicker": {
+    "refresh_intervals": [
+      "5s",
+      "10s",
+      "30s",
+      "1m",
+      "5m",
+      "15m",
+      "30m",
+      "1h",
+      "2h",
+      "1d"
+    ],
+    "time_options": [
+      "5m",
+      "15m",
+      "1h",
+      "6h",
+      "12h",
+      "24h",
+      "2d",
+      "7d",
+      "30d"
+    ]
+  },
+  "timezone": "",
+  "title": "Canal instances",
+  "uid": "8vh8NGpiz",
+  "version": 82
+}
\ No newline at end of file
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new file mode 100644
index 00000000..d96009e4
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index 00000000..7a057008
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index 00000000..ca531caa
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diff --git a/images/network.PNG b/images/network.PNG
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diff --git a/images/remain_events.PNG b/images/remain_events.PNG
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index 00000000..7aa05883
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diff --git a/images/remain_mem.PNG b/images/remain_mem.PNG
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index 00000000..7f749be1
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diff --git a/images/reqs.PNG b/images/reqs.PNG
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diff --git a/images/store.PNG b/images/store.PNG
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