reduce frequency of post count expiration for blank tag case

app/models/post.rb

@@ -319,7 +319,7 @@ class Post < ActiveRecord::Base
       execute_sql("UPDATE tags SET post_count = post_count + 1 WHERE name IN (?)", increment_tags) if increment_tags.any?
       Post.expire_cache_for_all(decrement_tags)
       Post.expire_cache_for_all(increment_tags)
-      Post.expire_cache_for_all([""])
+      Post.expire_cache_for_all([""]) if new_record? || id <= 100_000
     end
     
     def set_tag_counts

config/deploy.rb

@@ -6,8 +6,7 @@ require 'bundler/capistrano'
 set :bundle_flags, "--deployment --quiet --binstubs --shebang ruby-local-exec"
 
 set :default_environment, {
-  "PATH" => '$HOME/.rbenv/shims:$HOME/.rbenv/bin:$PATH',
-  "NRCONFIG" => "/var/www/danbooru2/shared/config/newrelic.yml"
+  "PATH" => '$HOME/.rbenv/shims:$HOME/.rbenv/bin:$PATH'
 }
 
 set :whenever_command, "bundle exec whenever"