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https://issues.apache.org/jira/browse/TS-3176?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14235964#comment-14235964
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Adam W. Dace commented on TS-3176:
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Well, C++ still isn't my cup of tea. But dang nabbit, I have a patch...and it
appears to work. :-)
I'm attaching the "git diff" output between the 5.2.x branch and my changes.
P.S. This does have a very small enhancement bundled in. Since "DNS Time"
isn't available as a statistic,
I replaced it with "DNS Entry"(i.e. HostDB entry count). Nothing exciting, but
might come in handy for those
running ATS as a forward-only cache.
> Some DNS stats don't persist through restart.
> ---------------------------------------------
>
> Key: TS-3176
> URL: https://issues.apache.org/jira/browse/TS-3176
> Project: Traffic Server
> Issue Type: Bug
> Components: HostDB
> Affects Versions: 5.1.1
> Environment: CentOS Linux 7.0 (Virtual Machine)
> Reporter: Adam W. Dace
> Priority: Minor
> Fix For: 5.3.0
>
>
> I can't speak for all of these, but I've noticed over time when viewing stats
> through traffic_top the "DNS lookup" stat will happily persist through a
> restart but at the very least "DNS hits" and the "DNS Hit" percentage will
> not.
> I'm not really sure what the scoop with "DNS Time" is...for me it's always
> 0.0.
> Please let me know if there's any testing I can do to help out, I'd offer up
> a patch but C++ just isn't my cup of tea.
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