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From yus...@apache.org
Subject ambari git commit: AMBARI-19373. Grafana datasource changes to accommodate new visualizations for TopN. (Vivek Subramanian via yusaku)
Date Fri, 06 Jan 2017 22:20:30 GMT
Repository: ambari
Updated Branches:
  refs/heads/trunk 0ed40ae0f -> 0909d7cdb


AMBARI-19373. Grafana datasource changes to accommodate new visualizations for TopN. (Vivek
Subramanian via yusaku)


Project: http://git-wip-us.apache.org/repos/asf/ambari/repo
Commit: http://git-wip-us.apache.org/repos/asf/ambari/commit/0909d7cd
Tree: http://git-wip-us.apache.org/repos/asf/ambari/tree/0909d7cd
Diff: http://git-wip-us.apache.org/repos/asf/ambari/diff/0909d7cd

Branch: refs/heads/trunk
Commit: 0909d7cdbf5290490c9908e43f34bf02f92e48c3
Parents: 0ed40ae
Author: Yusaku Sako <yusaku@hortonworks.com>
Authored: Fri Jan 6 14:19:08 2017 -0800
Committer: Yusaku Sako <yusaku@hortonworks.com>
Committed: Fri Jan 6 14:20:09 2017 -0800

----------------------------------------------------------------------
 .../ambari-metrics/datasource.js                |  36 +-
 .../HDP/grafana-hdfs-topn.json                  | 846 +++++++++++++++++++
 2 files changed, 880 insertions(+), 2 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/ambari/blob/0909d7cd/ambari-metrics/ambari-metrics-grafana/ambari-metrics/datasource.js
----------------------------------------------------------------------
diff --git a/ambari-metrics/ambari-metrics-grafana/ambari-metrics/datasource.js b/ambari-metrics/ambari-metrics-grafana/ambari-metrics/datasource.js
index eb883e8..207db16 100644
--- a/ambari-metrics/ambari-metrics-grafana/ambari-metrics/datasource.js
+++ b/ambari-metrics/ambari-metrics-grafana/ambari-metrics/datasource.js
@@ -145,16 +145,46 @@ define([
               var timeSeries = {};
               var metricData = res.metrics;
               _.map(metricData, function (data) {
+                var totalCountFlag = false;
                 var aliasSuffix = data.hostname ? ' on ' + data.hostname : '';
+                var op = '';
+                var user = '';
                 if(!_.isEmpty(templateSrv.variables) && templateSrv.variables[0].query
=== "hbase-tables") {
                   var tableName = "Tables.";
                   var tableSuffix = data.metricname.substring(data.metricname.indexOf(tableName)
+ tableName.length,
                   data.metricname.lastIndexOf("_metric"));
-                  var aliasSuffix = ' on ' + tableSuffix;
+                  aliasSuffix = ' on ' + tableSuffix;
                 }
                 if(templateSrv.variables[0].query === "callers") {
                   alias = data.metricname.substring(data.metricname.indexOf('(')+1, data.metricname.indexOf(')'));
                 }
+                // Set legend and alias for HDFS - TopN dashboard
+                if(data.metricname.indexOf('dfs.NNTopUserOpCounts') === 0) {
+                  var metricname_arr = data.metricname.split(".");
+                  _.map(metricname_arr, function (segment) {
+                    if(segment.indexOf('op=') === 0) {
+                      var opKey = 'op=';
+                      op = segment.substring(segment.indexOf(opKey) + opKey.length);
+                    } else if(segment.indexOf('user=') === 0) {
+                      var userKey = 'user=';
+                      user = segment.substring(segment.indexOf(userKey) + userKey.length);
+                    }
+                  });
+                  // Check if metric is TotalCount
+                  if(data.metricname.indexOf('TotalCount') > 0) {
+                    totalCountFlag = true;
+                    if (op !== '*') {
+                      alias = op;
+                    } else {
+                      alias = 'Total Count';
+                    }
+                  } else if (op !== '*') {
+                    alias = op + ' by ' + user;
+                  } else {
+                    alias = user;
+                  }
+                  aliasSuffix = '';
+                }
                 timeSeries = {
                   target: alias + aliasSuffix,
                   datapoints: []
@@ -164,7 +194,9 @@ define([
                     timeSeries.datapoints.push([data.metrics[k], (k - k % 1000)]);
                   }
                 }
-                series.push(timeSeries);
+                if( (user !== '*') || (totalCountFlag) ) {
+                  series.push(timeSeries);
+                }
               });
               return $q.when({data: series});
             };

http://git-wip-us.apache.org/repos/asf/ambari/blob/0909d7cd/ambari-server/src/main/resources/common-services/AMBARI_METRICS/0.1.0/package/files/grafana-dashboards/HDP/grafana-hdfs-topn.json
----------------------------------------------------------------------
diff --git a/ambari-server/src/main/resources/common-services/AMBARI_METRICS/0.1.0/package/files/grafana-dashboards/HDP/grafana-hdfs-topn.json
b/ambari-server/src/main/resources/common-services/AMBARI_METRICS/0.1.0/package/files/grafana-dashboards/HDP/grafana-hdfs-topn.json
new file mode 100644
index 0000000..5b90ae9
--- /dev/null
+++ b/ambari-server/src/main/resources/common-services/AMBARI_METRICS/0.1.0/package/files/grafana-dashboards/HDP/grafana-hdfs-topn.json
@@ -0,0 +1,846 @@
+{
+  "id": null,
+  "title": "HDFS - TopN",
+  "originalTitle": "HDFS - TopN",
+  "tags": [
+    "hdfs"
+  ],
+  "style": "dark",
+  "timezone": "browser",
+  "editable": true,
+  "hideControls": false,
+  "sharedCrosshair": false,
+  "rows": [
+    {
+      "collapse": false,
+      "editable": true,
+      "height": "25px",
+      "panels": [
+        {
+          "content": "<h4 align=\"center\">Metrics to see the HDFS operations per user.
Click on each row title to expand on demand to look at various metrics. </h4>\n<h6
style=\"color:red;\" align=\"center\">This dashboard is managed by Ambari.  You may lose
any changes made to this dashboard.  If you want to customize, make your own copy.</h6>",
+          "editable": true,
+          "error": false,
+          "id": 1,
+          "isNew": true,
+          "links": [],
+          "mode": "html",
+          "span": 12,
+          "style": {},
+          "title": "",
+          "type": "text"
+        }
+      ],
+      "showTitle": false,
+      "title": "Description"
+    },
+    {
+      "collapse": false,
+      "editable": true,
+      "height": "250px",
+      "panels": [
+        {
+          "aliasColors": {},
+          "bars": false,
+          "datasource": null,
+          "editable": true,
+          "error": false,
+          "fill": 0,
+          "grid": {
+            "leftLogBase": 1,
+            "leftMax": null,
+            "leftMin": null,
+            "rightLogBase": 1,
+            "rightMax": null,
+            "rightMin": null,
+            "threshold1": null,
+            "threshold1Color": "rgba(216, 200, 27, 0.27)",
+            "threshold2": null,
+            "threshold2Color": "rgba(234, 112, 112, 0.22)"
+          },
+          "id": 3,
+          "isNew": true,
+          "legend": {
+            "alignAsTable": false,
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": false,
+            "total": false,
+            "values": false
+          },
+          "lines": false,
+          "linewidth": 2,
+          "links": [],
+          "nullPointMode": "connected",
+          "percentage": false,
+          "pointradius": 1,
+          "points": true,
+          "renderer": "flot",
+          "seriesOverrides": [
+            {
+              "alias": "Total Count",
+              "lines": true
+            }
+          ],
+          "span": 6,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "aggregator": "max",
+              "app": "namenode",
+              "downsampleAggregator": "avg",
+              "errors": {},
+              "metric": "dfs.NNTopUserOpCounts.windowMs=60000.op=*.TotalCount",
+              "precision": "default",
+              "refId": "A",
+              "seriesAggregator": "none",
+              "transform": "none"
+            },
+            {
+              "aggregator": "none",
+              "alias": "operation by user",
+              "app": "namenode",
+              "downsampleAggregator": "avg",
+              "errors": {},
+              "metric": "dfs.NNTopUserOpCounts.windowMs=60000.op=__%.user=%",
+              "precision": "default",
+              "refId": "B",
+              "seriesAggregator": "none",
+              "transform": "none"
+            }
+          ],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "TopN - Operations by User - 1min Sliding Window",
+          "tooltip": {
+            "shared": false,
+            "value_type": "individual"
+          },
+          "type": "graph",
+          "x-axis": true,
+          "y-axis": true,
+          "y_formats": [
+            "none",
+            "short"
+          ]
+        },
+        {
+          "aliasColors": {},
+          "bars": false,
+          "datasource": null,
+          "editable": true,
+          "error": false,
+          "fill": 0,
+          "grid": {
+            "leftLogBase": 1,
+            "leftMax": null,
+            "leftMin": null,
+            "rightLogBase": 1,
+            "rightMax": null,
+            "rightMin": null,
+            "threshold1": null,
+            "threshold1Color": "rgba(216, 200, 27, 0.27)",
+            "threshold2": null,
+            "threshold2Color": "rgba(234, 112, 112, 0.22)"
+          },
+          "id": 7,
+          "isNew": true,
+          "legend": {
+            "alignAsTable": false,
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": false,
+            "total": false,
+            "values": false
+          },
+          "lines": false,
+          "linewidth": 2,
+          "links": [],
+          "nullPointMode": "connected",
+          "percentage": false,
+          "pointradius": 1,
+          "points": true,
+          "renderer": "flot",
+          "seriesOverrides": [
+            {
+              "alias": "Total Count",
+              "lines": true
+            }
+          ],
+          "span": 6,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "aggregator": "max",
+              "app": "namenode",
+              "downsampleAggregator": "avg",
+              "errors": {},
+              "metric": "dfs.NNTopUserOpCounts.windowMs=300000.op=*.TotalCount",
+              "precision": "default",
+              "refId": "A",
+              "seriesAggregator": "none",
+              "transform": "none"
+            },
+            {
+              "aggregator": "none",
+              "alias": "operation by user",
+              "app": "namenode",
+              "downsampleAggregator": "avg",
+              "errors": {},
+              "metric": "dfs.NNTopUserOpCounts.windowMs=300000.op=__%.user=%",
+              "precision": "default",
+              "refId": "B",
+              "seriesAggregator": "none",
+              "transform": "none"
+            }
+          ],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "TopN - Operations by User - 5min Sliding Window",
+          "tooltip": {
+            "shared": false,
+            "value_type": "individual"
+          },
+          "type": "graph",
+          "x-axis": true,
+          "y-axis": true,
+          "y_formats": [
+            "none",
+            "short"
+          ]
+        },
+        {
+          "aliasColors": {},
+          "bars": false,
+          "datasource": null,
+          "editable": true,
+          "error": false,
+          "fill": 0,
+          "grid": {
+            "leftLogBase": 1,
+            "leftMax": null,
+            "leftMin": null,
+            "rightLogBase": 1,
+            "rightMax": null,
+            "rightMin": null,
+            "threshold1": null,
+            "threshold1Color": "rgba(216, 200, 27, 0.27)",
+            "threshold2": null,
+            "threshold2Color": "rgba(234, 112, 112, 0.22)"
+          },
+          "id": 8,
+          "isNew": true,
+          "legend": {
+            "alignAsTable": false,
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": false,
+            "total": false,
+            "values": false
+          },
+          "lines": false,
+          "linewidth": 2,
+          "links": [],
+          "nullPointMode": "connected",
+          "percentage": false,
+          "pointradius": 1,
+          "points": true,
+          "renderer": "flot",
+          "seriesOverrides": [
+            {
+              "alias": "Total Count",
+              "lines": true
+            }
+          ],
+          "span": 12,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "aggregator": "max",
+              "app": "namenode",
+              "downsampleAggregator": "avg",
+              "errors": {},
+              "metric": "dfs.NNTopUserOpCounts.windowMs=1500000.op=*.TotalCount",
+              "precision": "default",
+              "refId": "A",
+              "seriesAggregator": "none",
+              "transform": "none"
+            },
+            {
+              "aggregator": "none",
+              "alias": "operation by user",
+              "app": "namenode",
+              "downsampleAggregator": "avg",
+              "errors": {},
+              "metric": "dfs.NNTopUserOpCounts.windowMs=1500000.op=__%.user=%",
+              "precision": "default",
+              "refId": "B",
+              "seriesAggregator": "none",
+              "transform": "none"
+            }
+          ],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "TopN - Operations by User - 25min Sliding Window",
+          "tooltip": {
+            "shared": false,
+            "value_type": "individual"
+          },
+          "type": "graph",
+          "x-axis": true,
+          "y-axis": true,
+          "y_formats": [
+            "none",
+            "short"
+          ]
+        }
+      ],
+      "showTitle": true,
+      "title": "TopN - Operations By User"
+    },
+    {
+      "collapse": false,
+      "editable": true,
+      "height": "250px",
+      "panels": [
+        {
+          "aliasColors": {},
+          "bars": false,
+          "datasource": null,
+          "editable": true,
+          "error": false,
+          "fill": 1,
+          "grid": {
+            "leftLogBase": 1,
+            "leftMax": null,
+            "leftMin": null,
+            "rightLogBase": 1,
+            "rightMax": null,
+            "rightMin": null,
+            "threshold1": null,
+            "threshold1Color": "rgba(216, 200, 27, 0.27)",
+            "threshold2": null,
+            "threshold2Color": "rgba(234, 112, 112, 0.22)"
+          },
+          "id": 5,
+          "isNew": true,
+          "legend": {
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": true,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 2,
+          "links": [],
+          "nullPointMode": "connected",
+          "percentage": false,
+          "pointradius": 5,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "span": 6,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "aggregator": "avg",
+              "app": "namenode",
+              "downsampleAggregator": "avg",
+              "errors": {},
+              "metric": "dfs.NNTopUserOpCounts.windowMs=1500000.op=%.TotalCount",
+              "precision": "default",
+              "refId": "A",
+              "seriesAggregator": "none",
+              "transform": "none"
+            }
+          ],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "TopN - Total Operations Count - 1min Sliding Window",
+          "tooltip": {
+            "shared": true,
+            "value_type": "cumulative"
+          },
+          "type": "graph",
+          "x-axis": true,
+          "y-axis": true,
+          "y_formats": [
+            "short",
+            "short"
+          ]
+        },
+        {
+          "aliasColors": {},
+          "bars": false,
+          "datasource": null,
+          "editable": true,
+          "error": false,
+          "fill": 1,
+          "grid": {
+            "leftLogBase": 1,
+            "leftMax": null,
+            "leftMin": null,
+            "rightLogBase": 1,
+            "rightMax": null,
+            "rightMin": null,
+            "threshold1": null,
+            "threshold1Color": "rgba(216, 200, 27, 0.27)",
+            "threshold2": null,
+            "threshold2Color": "rgba(234, 112, 112, 0.22)"
+          },
+          "id": 9,
+          "isNew": true,
+          "legend": {
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": true,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 2,
+          "links": [],
+          "nullPointMode": "connected",
+          "percentage": false,
+          "pointradius": 5,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "span": 6,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "aggregator": "avg",
+              "app": "namenode",
+              "downsampleAggregator": "avg",
+              "errors": {},
+              "metric": "dfs.NNTopUserOpCounts.windowMs=1500000.op=%.TotalCount",
+              "precision": "default",
+              "refId": "A",
+              "seriesAggregator": "none",
+              "transform": "none"
+            }
+          ],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "TopN - Total Operations Count - 5min Sliding Window",
+          "tooltip": {
+            "shared": true,
+            "value_type": "cumulative"
+          },
+          "type": "graph",
+          "x-axis": true,
+          "y-axis": true,
+          "y_formats": [
+            "short",
+            "short"
+          ]
+        },
+        {
+          "aliasColors": {},
+          "bars": false,
+          "datasource": null,
+          "editable": true,
+          "error": false,
+          "fill": 1,
+          "grid": {
+            "leftLogBase": 1,
+            "leftMax": null,
+            "leftMin": null,
+            "rightLogBase": 1,
+            "rightMax": null,
+            "rightMin": null,
+            "threshold1": null,
+            "threshold1Color": "rgba(216, 200, 27, 0.27)",
+            "threshold2": null,
+            "threshold2Color": "rgba(234, 112, 112, 0.22)"
+          },
+          "id": 10,
+          "isNew": true,
+          "legend": {
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": true,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 2,
+          "links": [],
+          "nullPointMode": "connected",
+          "percentage": false,
+          "pointradius": 5,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "span": 12,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "aggregator": "avg",
+              "app": "namenode",
+              "downsampleAggregator": "avg",
+              "errors": {},
+              "metric": "dfs.NNTopUserOpCounts.windowMs=1500000.op=%.TotalCount",
+              "precision": "default",
+              "refId": "A",
+              "seriesAggregator": "none",
+              "transform": "none"
+            }
+          ],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "TopN - Total Operations Count - 25min Sliding Window",
+          "tooltip": {
+            "shared": true,
+            "value_type": "cumulative"
+          },
+          "type": "graph",
+          "x-axis": true,
+          "y-axis": true,
+          "y_formats": [
+            "short",
+            "short"
+          ]
+        }
+      ],
+      "showTitle": true,
+      "title": "TopN - Operations Count"
+    },
+    {
+      "collapse": false,
+      "editable": true,
+      "height": "250px",
+      "panels": [
+        {
+          "aliasColors": {},
+          "bars": false,
+          "datasource": null,
+          "editable": true,
+          "error": false,
+          "fill": 1,
+          "grid": {
+            "leftLogBase": 1,
+            "leftMax": null,
+            "leftMin": null,
+            "rightLogBase": 1,
+            "rightMax": null,
+            "rightMin": null,
+            "threshold1": null,
+            "threshold1Color": "rgba(216, 200, 27, 0.27)",
+            "threshold2": null,
+            "threshold2Color": "rgba(234, 112, 112, 0.22)"
+          },
+          "id": 6,
+          "isNew": true,
+          "legend": {
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": true,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 2,
+          "links": [],
+          "nullPointMode": "connected",
+          "percentage": false,
+          "pointradius": 5,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "span": 6,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "aggregator": "none",
+              "app": "namenode",
+              "downsampleAggregator": "avg",
+              "errors": {},
+              "metric": "dfs.NNTopUserOpCounts.windowMs=1500000.op=*.user=%.count",
+              "precision": "default",
+              "refId": "A",
+              "seriesAggregator": "none",
+              "transform": "none"
+            }
+          ],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "TopN - Total Operations Count by User - 1min Sliding Window",
+          "tooltip": {
+            "shared": true,
+            "value_type": "cumulative"
+          },
+          "type": "graph",
+          "x-axis": true,
+          "y-axis": true,
+          "y_formats": [
+            "short",
+            "short"
+          ]
+        },
+        {
+          "aliasColors": {},
+          "bars": false,
+          "datasource": null,
+          "editable": true,
+          "error": false,
+          "fill": 1,
+          "grid": {
+            "leftLogBase": 1,
+            "leftMax": null,
+            "leftMin": null,
+            "rightLogBase": 1,
+            "rightMax": null,
+            "rightMin": null,
+            "threshold1": null,
+            "threshold1Color": "rgba(216, 200, 27, 0.27)",
+            "threshold2": null,
+            "threshold2Color": "rgba(234, 112, 112, 0.22)"
+          },
+          "id": 11,
+          "isNew": true,
+          "legend": {
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": true,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 2,
+          "links": [],
+          "nullPointMode": "connected",
+          "percentage": false,
+          "pointradius": 5,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "span": 6,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "aggregator": "none",
+              "app": "namenode",
+              "downsampleAggregator": "avg",
+              "errors": {},
+              "metric": "dfs.NNTopUserOpCounts.windowMs=1500000.op=*.user=%.count",
+              "precision": "default",
+              "refId": "A",
+              "seriesAggregator": "none",
+              "transform": "none"
+            }
+          ],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "TopN - Total Operations Count by User - 5min Sliding Window",
+          "tooltip": {
+            "shared": true,
+            "value_type": "cumulative"
+          },
+          "type": "graph",
+          "x-axis": true,
+          "y-axis": true,
+          "y_formats": [
+            "short",
+            "short"
+          ]
+        },
+        {
+          "aliasColors": {},
+          "bars": false,
+          "datasource": null,
+          "editable": true,
+          "error": false,
+          "fill": 1,
+          "grid": {
+            "leftLogBase": 1,
+            "leftMax": null,
+            "leftMin": null,
+            "rightLogBase": 1,
+            "rightMax": null,
+            "rightMin": null,
+            "threshold1": null,
+            "threshold1Color": "rgba(216, 200, 27, 0.27)",
+            "threshold2": null,
+            "threshold2Color": "rgba(234, 112, 112, 0.22)"
+          },
+          "id": 12,
+          "isNew": true,
+          "legend": {
+            "avg": false,
+            "current": false,
+            "max": false,
+            "min": false,
+            "show": true,
+            "total": false,
+            "values": false
+          },
+          "lines": true,
+          "linewidth": 2,
+          "links": [],
+          "nullPointMode": "connected",
+          "percentage": false,
+          "pointradius": 5,
+          "points": false,
+          "renderer": "flot",
+          "seriesOverrides": [],
+          "span": 12,
+          "stack": false,
+          "steppedLine": false,
+          "targets": [
+            {
+              "aggregator": "none",
+              "app": "namenode",
+              "downsampleAggregator": "avg",
+              "errors": {},
+              "metric": "dfs.NNTopUserOpCounts.windowMs=1500000.op=*.user=%.count",
+              "precision": "default",
+              "refId": "A",
+              "seriesAggregator": "none",
+              "transform": "none"
+            }
+          ],
+          "timeFrom": null,
+          "timeShift": null,
+          "title": "TopN - Total Operations Count by User - 25min Sliding Window",
+          "tooltip": {
+            "shared": true,
+            "value_type": "cumulative"
+          },
+          "type": "graph",
+          "x-axis": true,
+          "y-axis": true,
+          "y_formats": [
+            "short",
+            "short"
+          ]
+        }
+      ],
+      "showTitle": true,
+      "title": "TOPN - Total Operations Count by User"
+    }
+  ],
+  "time": {
+    "from": "now-3h",
+    "to": "now"
+  },
+  "timepicker": {
+    "now": true,
+    "refresh_intervals": [
+      "5s",
+      "10s",
+      "30s",
+      "1m",
+      "5m",
+      "15m",
+      "30m",
+      "1h",
+      "2h",
+      "1d"
+    ],
+    "time_options": [
+      "5m",
+      "15m",
+      "1h",
+      "6h",
+      "12h",
+      "24h",
+      "2d",
+      "7d",
+      "30d"
+    ]
+  },
+  "templating": {
+    "list": [
+      {
+        "allFormat": "glob",
+        "current": {
+          "text": "namenode",
+          "value": "namenode"
+        },
+        "datasource": null,
+        "hideLabel": true,
+        "includeAll": false,
+        "multi": false,
+        "multiFormat": "glob",
+        "name": "components",
+        "options": [
+          {
+            "selected": true,
+            "text": "namenode",
+            "value": "namenode"
+          }
+        ],
+        "query": "namenode",
+        "refresh": false,
+        "type": "custom"
+      },
+      {
+        "allFormat": "glob",
+        "current": {
+          "text": "All",
+          "value": ""
+        },
+        "datasource": null,
+        "includeAll": true,
+        "multi": true,
+        "multiFormat": "glob",
+        "name": "hosts",
+        "options": [
+          {
+            "text": "All",
+            "value": "",
+            "selected": true
+          }
+        ],
+        "query": "hosts",
+        "refresh": true,
+        "regex": "",
+        "type": "query"
+      }
+    ]
+  },
+  "annotations": {
+    "list": []
+  },
+  "refresh": false,
+  "schemaVersion": 8,
+  "version": 26,
+  "links": [
+    {
+      "asDropdown": true,
+      "icon": "external link",
+      "keepTime": true,
+      "tags": [
+        "hdfs"
+      ],
+      "title": "HDFS Dashboards",
+      "type": "dashboards"
+    }
+  ]
+}
\ No newline at end of file


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