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So I rebooted my server and everything seemed to be working, mysql, apache everything running but the websites werent loading. I could not instantly remember the cause because a machine reboot is not something you do on your server every day. The reason was I had varnish installed and it failed to start after reboot…

So all you need is a post->ID whats the fastest way to get it ? Jump to conclusion or lets evaluate our options here: query_posts(), get_posts(),wp_query(), $wpdb As a rule of thumb, usually we can say $wpdb > wp_query > get_posts > query_posts, meaning; you should almost never ever use query_posts. And usually between the…