commit

solr/server/solr-webapp/webapp/js/angular/controllers/segments.js

@@ -0,0 +1,99 @@
+/*
+ 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.
+*/
+
+var MB_FACTOR = 1024*1024;
+
+solrAdminApp.controller('SegmentsController', function($scope, $routeParams, $interval, Segments, Constants) {
+    $scope.resetMenu("segments", Constants.IS_CORE_PAGE);
+
+    $scope.refresh = function() {
+
+        Segments.get({core: $routeParams.core}, function(data) {
+            var segments = data.segments;
+
+            var segmentSizeInBytesMax = getLargestSegmentSize(segments);
+            $scope.segmentMB = Math.floor(segmentSizeInBytesMax / MB_FACTOR);
+            $scope.xaxis = calculateXAxis(segmentSizeInBytesMax);
+
+            $scope.documentCount = 0;
+            $scope.deletionCount = 0;
+
+            $scope.segments = [];
+            for (var name in segments) {
+                var segment = segments[name];
+
+                var segmentSizeInBytesLog = Math.log(segment.sizeInBytes);
+                var segmentSizeInBytesMaxLog = Math.log(segmentSizeInBytesMax);
+
+                segment.totalSize = Math.floor((segmentSizeInBytesLog / segmentSizeInBytesMaxLog ) * 100);
+
+                segment.deletedDocSize = Math.floor((segment.delCount / segment.size) * segment.totalSize);
+                if (segment.delDocSize <= 0.001) delete segment.deletedDocSize;
+
+                segment.aliveDocSize = segment.totalSize - segment.deletedDocSize;
+
+                $scope.segments.push(segment);
+
+                $scope.documentCount += segment.size;
+                $scope.deletionCount += segment.delCount;
+            }
+            $scope.deletionsPercentage = calculateDeletionsPercentage($scope.documentCount, $scope.deletionCount);
+        });
+    };
+
+    $scope.toggleAutoRefresh = function() {
+        $scope.autorefresh = !$scope.autorefresh;
+        if ($scope.autorefresh) {
+            $scope.interval = $interval($scope.refresh, 1000);
+            var onRouteChangeOff = $scope.$on('$routeChangeStart', function() {
+              $interval.cancel($scope.interval);
+              onRouteChangeOff();
+            });
+
+        } else if ($scope.interval) {
+            $interval.cancel($scope.interval);
+        }
+    };
+    $scope.refresh();
+});
+
+var calculateXAxis = function(segmentInBytesMax) {
+    var steps = [];
+    var log = Math.log(segmentInBytesMax);
+
+    for (var j=0, step=log/4; j<3; j++, step+=log/4) {
+        steps.push({pos:j, value:Math.floor((Math.pow(Math.E, step))/MB_FACTOR)})
+    }
+    return steps;
+};
+
+var getLargestSegmentSize = function(segments) {
+    var max = 0;
+    for (var name in segments) {
+        max = Math.max(max, segments[name].sizeInBytes);
+    }
+    return max;
+};
+
+var calculateDeletionsPercentage = function(docCount, delCount) {
+    if (docCount == 0) {
+        return 0;
+    } else {
+        var percent = delCount / docCount * 100;
+        return Math.round(percent * 100) / 100;
+    }
+};