Hi Gao, On Wed, May 8, 2013 at 10:58 AM, Gao Yongwei <[email protected]> wrote:
> > > The whole point of the DNS director and it's TTL settings is to have >> Varnish automatically update the backend definitions based on TTL. So the >> only option you have is AFAIK: >> 1) To lower the TTL so it won't become a problem (speed up your DNS) >> 2) To modify the DNS director and implement flushing through VCL >> > > Thanks,perbu ,I can achieve the first method , and could you please > teach me more about the second method , how does this vcl look like ? > many thanks , :-) > You would need to create a VMOD that kills off the cache in the DNS director. For this to work you would probably need to modify the DNS director in the Varnish Cache source. -- <http://www.varnish-software.com/> *Per Buer* CEO | Varnish Software AS Phone: +47 958 39 117 | Skype: per.buer We Make Websites Fly! Winner of the Red Herring Top 100 Europe Award 2013
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