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https://issues.apache.org/jira/browse/TS-2358?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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William Bardwell updated TS-2358:
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Affects Version/s: 3.2.5
> DNS does not fail-over promptly for DNS server returning SERVFAIL
> -----------------------------------------------------------------
>
> Key: TS-2358
> URL: https://issues.apache.org/jira/browse/TS-2358
> Project: Traffic Server
> Issue Type: Bug
> Components: DNS
> Affects Versions: 3.2.5
> Reporter: William Bardwell
>
> If I have 2 dns servers listed in my resolv.conf and the first one is
> returning SERVFAIL for something that I try to lookup, ATS takes a long time
> to fail over, and won't do it for the first request to look something up.
> Using normal system commands (host, ping etc.) with the same resolv.conf work
> fine.
> I tried various config values with out much improvement. I could make it
> fail in 40sec instead of 60sec for the initial failure...
> debug logs will be attached, doing one DNS and then waiting a while and doing
> another. (Doing more before enough time has passed don't seem to help much.)
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