From: Rich Felker <dalias@libc.org>
To: musl@lists.openwall.com
Cc: Srinivasa Raghavan <raghav135@gmail.com>
Subject: Re: DNS resolution happenning only after timeout
Date: Thu, 28 Sep 2017 12:55:28 -0400 [thread overview]
Message-ID: <20170928165528.GA1627@brightrain.aerifal.cx> (raw)
In-Reply-To: <20170928102854.GI15263@port70.net>
On Thu, Sep 28, 2017 at 12:28:55PM +0200, Szabolcs Nagy wrote:
> * Srinivasa Raghavan <raghav135@gmail.com> [2017-09-28 15:45:28 +0530]:
> > When using "Alpine" docker image which uses musl-libc, we are facing delay
> > when we do operations like below in our production environment,
> > 1. ping <name>
> > 2. nslookup <name>
> > 3. traceroute <name>
> > 4. http request from node.js
> >
>
> this bug may be related:
> https://github.com/rancher/rancher/issues/9961
Yes, I just filed it after reading the discussion on IRC and this bug
report that was linked as describing similar behavior:
https://github.com/rancher/rancher/issues/4177#issuecomment-332571951
This really requires a fix on the rancher-dns side. I'm not sure
exactly what glibc is doing, but it couldn't be giving the behavior
you want without doing something wrong: it's falling back and trying
different search domains when it hasn't been told that the first one
doesn't exist, only that the nameserver is experiencing a problem.
Rich
next prev parent reply other threads:[~2017-09-28 16:55 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-28 10:15 Srinivasa Raghavan
2017-09-28 10:28 ` Szabolcs Nagy
2017-09-28 16:55 ` Rich Felker [this message]
2017-10-04 13:48 ` Srinivasa Raghavan
2017-10-04 16:46 ` Markus Wichmann
2017-10-04 19:28 ` Srinivasa Raghavan
2017-10-04 20:18 ` Rich Felker
2017-10-04 20:39 ` Srinivasa Raghavan
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