[Bug 1555606] Re: Sync pdns-recursor 4.0.0~alpha2-1 (universe) from Debian unstable (main)

[Pieter Lexis]

Hi Timo,

I'm Pieter Lexis, one of the PowerDNS developers.

>  to provide more information about the upgrade

I'll chime in on the reason for this.

In the current state, the pdns-recursor package in Xenial is not fit for
production use (let alone inclusion in an LTS). Several of the issues
include:

 - Configuring forwarding results in SIGABRT (fixed in https://github.com/pieterlexis/pdns/commit/88490c0365375978afea38bf352079b4fef28e17)
- RPZ and IXFR with TSIG is broken (fixed in https://github.com/pieterlexis/pdns/commit/bd051ad662f10373bb8f3e13a55cbec3f6ebc91c and https://github.com/pieterlexis/pdns/commit/f0ca9bcf2800bb31513283bbe9fa5d1e2b83dcf6)
- The cache would fill the memory with stale entries (fixed in https://github.com/rgacogne/pdns/commit/2b94bb415eb33d909e064cadea06a7c2fcea7380)

Combined with the fact that DNSSEC validation has many broken
cornercases in Alpha 1 and Alpha 2 (but the Debian package has disabled
the validation as per our recommendation), we believe that the package
suggested is many times better than the package currently in Xenial.

We released this Alpha 2 because of the Ubuntu freeze, as Ubuntu
originally pulled in the Alpha 1 from Debian Sid. We contacted devel-
discuss, but got little response regarding our suggested solutions
(https://lists.ubuntu.com/archives/ubuntu-devel-
discuss/2016-February/016183.html).

I hope this answers your questions regarding why we'd like a freeze
exception. The only other solution (in our eyes as upstream) is to have
Xenial revert to the Recursor 3.7.3, which might go EOL before Xenial
does.

Best regards,

Pieter Lexis

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Title:
  Sync pdns-recursor 4.0.0~alpha2-1 (universe) from Debian unstable
  (main)

Status in pdns-recursor package in Ubuntu:
  New

Bug description:
  Please sync pdns-recursor 4.0.0~alpha2-1 (universe) from Debian
  unstable (main)

  Please sync pdns-recursor as alpha2 as it fixes important bugs and
  performance issues over alpha1. Not sure 4.0.0 will be ready for the
  xenial freeze time.

  For reference, discussion on ubuntu-devel-discuss about powerdns in xenial:
  https://lists.ubuntu.com/archives/ubuntu-devel-discuss/2016-February/016183.html

  
  Changelog entries since current xenial version 4.0.0~alpha1-2:

  pdns-recursor (4.0.0~alpha2-1) unstable; urgency=medium

    * New Upstream version 4.0.0~alpha2, with autotools build system.
      (Closes: #809091)
    * Disable DNSSEC processing for this release, per upstream recommendation.

   -- Christian Hofstaedtler <zeha at debian.org>  Wed, 09 Mar 2016
  15:22:59 +0000

  pdns-recursor (4.0.0~alpha1-3) unstable; urgency=medium

    * Update systemd unit file from upstream
    * Drop pdns-recursor-dbg in favor of automated dbgsym packages
    * Disable secpoll by default
    * Use root hints from dns-root-data package (Closes: #760470)
    * Drop Build-Depends: quilt, as we just rely on dpkg-source
    * Increase LimitNOFILE to a size suitable for default mthreads

   -- Christian Hofstaedtler <zeha at debian.org>  Thu, 25 Feb 2016
  00:02:07 +0000

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