On Wed, May 08, 2013 at 03:41:54PM +0800, Gao Yongwei wrote: > > > See,when the ttl expires, varnish will flush the hostname ,so ,is there No. It will never flush it. It is only resolved at VCL compile time. > anyway we can manually flush the ttl immediately ? Reload the VCL. (as you're already doing). -- Andreas