metrics,client-go: update client-go and add batch client receive response metrics

go.mod

@@ -66,7 +66,7 @@ require (
 	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.7.0
 	github.com/tiancaiamao/appdash v0.0.0-20181126055449-889f96f722a2
-	github.com/tikv/client-go/v2 v2.0.0-alpha.0.20210820060448-daddf73a0706
+	github.com/tikv/client-go/v2 v2.0.0-alpha.0.20210831090540-391fcd842dc8
 	github.com/tikv/pd v1.1.0-beta.0.20210818112400-0c5667766690
 	github.com/twmb/murmur3 v1.1.3
 	github.com/uber-go/atomic v1.4.0

go.sum

@@ -694,8 +694,8 @@ github.com/tiancaiamao/appdash v0.0.0-20181126055449-889f96f722a2/go.mod h1:2PfK
 github.com/tidwall/gjson v1.3.5/go.mod h1:P256ACg0Mn+j1RXIDXoss50DeIABTYK1PULOJHhxOls=
 github.com/tidwall/match v1.0.1/go.mod h1:LujAq0jyVjBy028G1WhWfIzbpQfMO8bBZ6Tyb0+pL9E=
 github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
-github.com/tikv/client-go/v2 v2.0.0-alpha.0.20210820060448-daddf73a0706 h1:UwEODRazer/iP7fi7K9xKWoSsDSIAHNIhtklh1+28a8=
-github.com/tikv/client-go/v2 v2.0.0-alpha.0.20210820060448-daddf73a0706/go.mod h1:KwtZXt0JD+bP9bWW2ka0ir3Wp3oTEfZUTh22bs2sI4o=
+github.com/tikv/client-go/v2 v2.0.0-alpha.0.20210831090540-391fcd842dc8 h1:8nv1BaOlTfYtK3Pyb0fHQ0zm9mRMPlXFbAWUhTEvRdo=
+github.com/tikv/client-go/v2 v2.0.0-alpha.0.20210831090540-391fcd842dc8/go.mod h1:KwtZXt0JD+bP9bWW2ka0ir3Wp3oTEfZUTh22bs2sI4o=
 github.com/tikv/pd v1.1.0-beta.0.20210323121136-78679e5e209d/go.mod h1:Jw9KG11C/23Rr7DW4XWQ7H5xOgGZo6DFL1OKAF4+Igw=
 github.com/tikv/pd v1.1.0-beta.0.20210818112400-0c5667766690 h1:qGn7fDqj7IZ5dozy7QVkoj+0bama92ruVGHqoCBg7W4=
 github.com/tikv/pd v1.1.0-beta.0.20210818112400-0c5667766690/go.mod h1:rammPjeZgpvfrQRPkijcx8tlxF1XM5+m6kRXrkDzCAA=

metrics/grafana/tidb.json

@@ -12532,6 +12532,127 @@
             "align": false,
             "alignLevel": null
           }
+        },
+	{
+          "aliasColors": {},
+          "bars": false,
+          "dashLength": 10,
+          "dashes": false,
+          "datasource": "${DS_TEST-CLUSTER}",
+          "description": "The duration of receiving response from TiKV.\nThis metrics can be high when there is no workload.\nBut if the value is too large, TiKV maybe not responding in time.",
+          "fieldConfig": {
+            "defaults": {},
+            "overrides": []
+          },
+          "fill": 1,
+          "fillGradient": 0,
+          "gridPos": {
+            "h": 7,
+            "w": 8,
+            "x": 0,
+            "y": 23
+          },
+          "hiddenSeries": false,
+          "id": 228,
+          "legend": {
+            "alignAsTable": true,
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "rightSide": true,
+            "show": true,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 1,
+          "links": [],
+          "nullPointMode": "null as zero",
+          "options": {
+            "alertThreshold": true
+          },
+          "percentage": false,
+          "pluginVersion": "7.5.7",
+          "pointradius": 2,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "spaceLength": 10,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "exemplar": true,
+              "expr": "rate(tidb_tikvclient_batch_recv_latency_sum{tidb_cluster=\"$tidb_cluster\"}[1m]) / rate(tidb_tikvclient_batch_recv_latency_count{tidb_cluster=\"$tidb_cluster\"}[1m])",
+              "hide": false,
+              "interval": "",
+              "legendFormat": "{{instance}}-{{result}}",
+              "refId": "B"
+            },
+            {
+              "exemplar": true,
+              "expr": "histogram_quantile(0.99, sum(rate(tidb_tikvclient_batch_recv_latency_bucket{tidb_cluster=\"$tidb_cluster\"}[1m])) by (le, instance))",
+              "format": "time_series",
+              "hide": true,
+              "interval": "",
+              "intervalFactor": 1,
+              "legendFormat": "99-{{instance}}",
+              "refId": "A"
+            }
+          ],
+          "thresholds": [
+            {
+              "$$hashKey": "object:367",
+              "colorMode": "warning",
+              "fill": true,
+              "line": false,
+              "op": "gt",
+              "value": 60000000000,
+              "yaxis": "left"
+            }
+          ],
+          "timeFrom": null,
+          "timeRegions": [],
+          "timeShift": null,
+          "title": "Batch Receive Average Duration",
+          "tooltip": {
+            "shared": true,
+            "sort": 0,
+            "value_type": "individual"
+          },
+          "type": "graph",
+          "xaxis": {
+            "buckets": null,
+            "mode": "time",
+            "name": null,
+            "show": true,
+            "values": []
+          },
+          "yaxes": [
+            {
+              "$$hashKey": "object:58",
+              "format": "ns",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": "0",
+              "show": true
+            },
+            {
+              "$$hashKey": "object:59",
+              "format": "short",
+              "label": null,
+              "logBase": 1,
+              "max": null,
+              "min": null,
+              "show": false
+            }
+          ],
+          "yaxis": {
+            "align": false,
+            "alignLevel": null
+          }
         }
       ],
       "title": "Batch Client",