Alternative solution to issue-83. Tested simply to verify code works. Not tested or benchmarked under load.

publish-counts-issue-83.diff

commit 360527e99cbae6fc702615e9f03485210bccbc89
Author: Justin Charette <[email protected]>
Date:   Sun Apr 3 18:23:45 2016 -0400

    track review counts per profile and show in developer profile boxes
    
    Signed-off-by: Justin Charette <[email protected]>

diff --git a/both/collections/reviewCounts.js b/both/collections/reviewCounts.js
new file mode 100644
index 0000000..0ccb1bb
--- /dev/null
+++ b/both/collections/reviewCounts.js
@@ -0,0 +1,43 @@
+if (Meteor.isClient) {
+  ReviewCounts = new Mongo.Collection('review.counts');
+}
+else if (Meteor.isServer) {
+  // create a memory-backed collection for review counts.
+  ReviewCounts = new Mongo.Collection(null);
+
+  var comments = Comments.getCollection();
+
+  // populate the review counts collection after startup, otherwise Meteor's
+  // goofy loading order may run this before Profiles is defined.
+  Meteor.startup(function () {
+    // create a ReviewCount doc for each Profile over time.  this does not
+    // react to changes in comments.
+    // server startup may slow from initial processing of all comments (see observe.added docs)
+    Profiles.find({}, { fields: { _id: true } }).observe({
+      added: function (doc) {
+        console.log('review count: added profile:', doc._id);
+        ReviewCounts.insert({ profileId: doc._id, count: 0 });
+      },
+      removed: function (doc) {
+        console.log('review count: removed profile:', doc._id);
+        ReviewCounts.remove({ profileId: doc._id });
+      },
+    });
+
+    // update ReviewCounts "reactively" on server for Comments over time.
+    // server startup may slow from initial processing of all comments (see observe.added docs)
+    comments.find({}, { fields: { referenceId: true } }).observe({
+      added: function (doc) {
+        console.log('review count: +1 comment for', doc.referenceId);
+        ReviewCounts.update({ profileId: doc.referenceId },
+                            { $inc: { count: 1 } });
+      },
+      // when comments change, count remains same.
+      removed: function (doc) {
+        console.log('review count: -1 comment for', doc.referenceId);
+        ReviewCounts.update({ profileId: doc.referenceId },
+                            { $inc: { count: -1 } });
+      },
+    });
+  });
+}
diff --git a/client/subscriptions.js b/client/subscriptions.js
index dd8905e..345061b 100644
--- a/client/subscriptions.js
+++ b/client/subscriptions.js
@@ -1,4 +1,4 @@
 Meteor.subscribe("userData");
 Meteor.subscribe("jobCount");
 Meteor.subscribe("developerCount");
-Meteor.subscribe('postCommentCount', "referenceId");
+Meteor.subscribe('review.counts');
diff --git a/client/views/profiles/profileSmall.html b/client/views/profiles/profileSmall.html
index aa56f3b..bd8006e 100644
--- a/client/views/profiles/profileSmall.html
+++ b/client/views/profiles/profileSmall.html
@@ -21,7 +21,7 @@
                     {{#if $eq type 'Company'}}
                         <span class="label label-danger"><i class="fa fa-users"></i> Company</span>
                     {{/if}}
-                    <span class="label label-primary"><i class="fa fa-rocket"></i> {{getPublishedCount 'comments'}} Reviews</span>
+                    <span class="label label-primary"><i class="fa fa-rocket"></i> {{reviewCount _id}} Reviews</span>
                 </div>
                 <div class="title">
                     <small>{{title}}</small>
diff --git a/client/views/profiles/profileSmall.js b/client/views/profiles/profileSmall.js
new file mode 100644
index 0000000..086e4c3
--- /dev/null
+++ b/client/views/profiles/profileSmall.js
@@ -0,0 +1,5 @@
+Template.profileSmall.helpers({
+  reviewCount: function (profileId) {
+    return ReviewCounts.findOne({ profileId: profileId }).count;
+  },
+});
diff --git a/server/publications.js b/server/publications.js
index 1a823b8..60981d8 100644
--- a/server/publications.js
+++ b/server/publications.js
@@ -28,13 +28,6 @@ Meteor.publish('developerCount', function() {
     }));
 });
 
-Meteor.publish('postCommentCount', function(referenceId) {
-    check(referenceId, String);
-    Counts.publish(this, 'comments', Comments.getCollection().find({
-        referenceId: referenceId
-    }));
-});
-
 Meteor.publish("homeJobs", function() {
     check(arguments, [Match.Any]);
     return [
@@ -239,3 +232,25 @@ Meteor.publish('profiles', function(limit) {
         }
     });
 });
+
+Meteor.publish('review.counts', function () {
+  // this publication is one-way only (server -> client).
+  var pub = this;
+
+  ReviewCounts.find({}).observe({
+    added:   function (doc) {
+      console.log('review count: add count', doc);
+      pub.added('review.counts', doc._id, doc);
+    },
+    changed: function (newDoc, oldDoc) {
+      console.log('review count: update count', newDoc);
+      pub.changed('review.counts', newDoc._id, { count: newDoc.count });
+    },
+    removed: function (doc) {
+      console.log('review count: remove count', doc);
+      pub.removed('review.counts', doc._id);
+    },
+  });
+
+  this.ready();
+});