potential fix for #1305

app/logical/api_cache_generator.rb

@@ -1,18 +1,21 @@
 class ApiCacheGenerator
   def generate_tag_cache
-    File.open("#{Rails.root}/public/cache/tags.json", "w") do |f|
+    FileUtils.mkdir_p("/var/www/danbooru2/shared/system/cache")
+    File.open("/var/www/danbooru2/shared/system/cache/tags.json", "w") do |f|
       f.print("[")
-      Tag.find_each do |tag|
-        next unless tag.post_count > 0
-        hash = {
-          "name" => tag.name,
-          "id" => tag.id,
-          "created_at" => tag.created_at,
-          "post_count" => tag.post_count,
-          "category" => tag.category
-        }
-        f.print(hash.to_json)
-        f.print(", ")
+      Tag.without_timeout do
+        Tag.find_each do |tag|
+          next unless tag.post_count > 0
+          hash = {
+            "name" => tag.name,
+            "id" => tag.id,
+            "created_at" => tag.created_at,
+            "post_count" => tag.post_count,
+            "category" => tag.category
+          }
+          f.print(hash.to_json)
+          f.print(", ")
+        end
       end
       f.seek(-2, IO::SEEK_END)
       f.print("]\n")