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 , :-)
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