We're having a bunch of media items indexed with a specific Examine index. All worked ok until I noticed that after upgrading to Umbraco 7.3.3 a lot of items were missing in the search results. Or, better said, the Examine index. Of the 236 media items in total, only 8 are indexed (why?). After saving a media item, the item is added to the index.

I quickly created a script that saves all media again, this solves the issue for now, but that's not preferred.

Does anyone know where this comes from, recognizes the issue or knows a way (other than re-saving) to build up the index again?

What I have done so far:

• Deleted App_Data\umbaco.config
• Deleted App_Data\TEMP\ExamineIndexes
• Re-indexed from within the Examine Management dashboard in te Developer section (and that's where I noticed the missing records)

• Re-saved all media items using the script below. This fixed the issue.

  public ActionResult RebuildMedia() { int count = 0;

      var parents = Services.MediaService.GetRootMedia();
      foreach (var parent in parents.Where(x => x.Trashed == false))
      {
          Services.MediaService.Save(parent);
          count++;
  
  
      var descendants = Services.MediaService.GetDescendants(parent);
      foreach (var descendant in descendants.Where(x => x.Trashed == false))
      {
          Services.MediaService.Save(descendant);
          count++;
      }
  }
  
  
  return Content(string.Format("<h1>Finished saving {0} media items.</h1>", count));
  
  
  }