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Add positive/negative ttl config for `AsyncDnsResolver` #27578

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burbaki opened this issue Aug 28, 2019 · 0 comments
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@burbaki burbaki commented Aug 28, 2019

Add positive and negative time to live config for AsyncDnsResolver similarly like for InetAddressDnsResolver, in order to control lifetime of dns records in AsyncDnsCache.
AsyncDnsResolver doesn't refresh cache records util dns records in cache expired according to DNS server response. DNS server time to time can contain records with time to live greater than actually. If DNS server change record, AsyncDnsCache will contain irrelevant records.

@burbaki burbaki changed the title add positive/negative ttl config for `AsyncDnsResolver` Add positive/negative ttl config for `AsyncDnsResolver` Aug 28, 2019
@johanandren johanandren added this to the 2.5.26 milestone Sep 12, 2019
@patriknw patriknw closed this Oct 17, 2019
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