[Pdns-users] [dnsdist] Dnsdist not reading from the cache

Otto Moerbeek otto at drijf.net
Sun Sep 11 11:51:42 UTC 2022


Please read https://blog.powerdns.com/2016/01/18/open-source-support-out-in-the-open/

	-Otto

On Fri, Sep 09, 2022 at 04:22:26PM +0000, SAMI RAHAL via Pdns-users wrote:

> hi abang
> 
> 
> yes i just changed the values in the email
> for privacy reasons but it's the same value in the config file
> 
> 
> 
> ________________________________
> De : Pdns-users <pdns-users-bounces at mailman.powerdns.com> de la part de pdns-users-request at mailman.powerdns.com <pdns-users-request at mailman.powerdns.com>
> Envoyé : vendredi 9 septembre 2022 18:14
> À : pdns-users at mailman.powerdns.com
> Objet : [EXTERNE]Pdns-users Digest, Vol 236, Issue 6
> 
> ATTENTION:Cet e-mail provient d'une personne externe à TOPNET. Ne pas cliquer sur des liens ou ouvrir des pièces jointes à moins que vous êtes absolument sûr de l'origine de l'e-mail.
> '
> 
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> Today's Topics:
> 
>    1. Re: [dnsdist] Dnsdist not reading from the cache (SAMI RAHAL)
>    2. Re: [dnsdist] Dnsdist not reading from the cache
>       (abang at t-ipnet.net)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Fri, 9 Sep 2022 15:38:10 +0000
> From: SAMI RAHAL <Sami.Rahal at topnetpro.tn>
> To: "pdns-users at mailman.powerdns.com"
>         <pdns-users at mailman.powerdns.com>
> Subject: Re: [Pdns-users] [dnsdist] Dnsdist not reading from the cache
> Message-ID: <2360d48a89bc455e9cc45bfe7b3bd4db at topnetpro.tn>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> Hi Remi
> 
> The server is in production it receives requests as shown in this summary
> 
> Uptime: 17 days, Number of queries: 2326402346 (2385.00 qps), ACL drops: 0, Dynamic drops: 27076173, Rule drops: 6451838
> Average response time: 9.40 ms, CPU Usage: 26.50%, Cache hitrate: 85.37%, Server selection policy: leastOutstanding
> Listening on: 0.0.0.0:53, ACL: 0.0.0.0/0
> 
> 
> thanks Rahal
> 
> 
> 
> 
> 
> Cordialement, Sami Rahal Service Hosting DNS et Cloud Direction Technique & SI Si?ge Social TOPNET, Centre Urbain Nord T?l. :71185000 GSM :99 459 812
> 
> 
> ________________________________
> De : Pdns-users <pdns-users-bounces at mailman.powerdns.com> de la part de pdns-users-request at mailman.powerdns.com <pdns-users-request at mailman.powerdns.com>
> Envoy? : vendredi 9 septembre 2022 14:00
> ? : pdns-users at mailman.powerdns.com
> Objet : [EXTERNE]Pdns-users Digest, Vol 236, Issue 5
> 
> ATTENTION:Cet e-mail provient d'une personne externe ? TOPNET. Ne pas cliquer sur des liens ou ouvrir des pi?ces jointes ? moins que vous ?tes absolument s?r de l'origine de l'e-mail.
> '
> 
> Send Pdns-users mailing list submissions to
>         pdns-users at mailman.powerdns.com
> 
> To subscribe or unsubscribe via the World Wide Web, visit
>         https://mailman.powerdns.com/mailman/listinfo/pdns-users
> or, via email, send a message with subject or body 'help' to
>         pdns-users-request at mailman.powerdns.com
> 
> You can reach the person managing the list at
>         pdns-users-owner at mailman.powerdns.com
> 
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of Pdns-users digest..."
> 
> 
> Today's Topics:
> 
>    1. Re: [dnsdist] Dnsdist not reading from the cache (Remi Gacogne)
>    2. Re: [EXTERNE]Re: [dnsdist] Dnsdist not reading from the cache
>       (SAMI RAHAL)
>    3. Re: [EXT] RE: [EXTERNE]Re: [dnsdist] Dnsdist not reading from
>       the cache (Remi Gacogne)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Fri, 9 Sep 2022 09:24:57 +0200
> From: Remi Gacogne <remi.gacogne at powerdns.com>
> To: SAMI RAHAL <Sami.Rahal at topnetpro.tn>,
>         "pdns-users at mailman.powerdns.com" <pdns-users at mailman.powerdns.com>
> Subject: Re: [Pdns-users] [dnsdist] Dnsdist not reading from the cache
> Message-ID: <00726a29-c73a-59e0-c901-a9109f114396 at powerdns.com>
> Content-Type: text/plain; charset="utf-8"; Format="flowed"
> 
> Hi,
> 
> On 07/09/2022 14:02, SAMI RAHAL via Pdns-users wrote:
> > for those running dnsdist I'm wondering is anyone has set up cache.
> >
> > If you have, I'd appreciate pointers in your strategies (and/or some
> > examples?).
> 
> A lot of installations are using caching in dnsdist, yes. I don't see
> anything immediately wrong after looking at your configuration. What
> makes you think caching is not working?
> 
> --
> Remi Gacogne
> PowerDNS.COM BV - https://www.powerdns.com/
> 
> -------------- next part --------------
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> 
> ------------------------------
> 
> Message: 2
> Date: Fri, 9 Sep 2022 09:34:19 +0000
> From: SAMI RAHAL <Sami.Rahal at topnetpro.tn>
> To: Remi Gacogne <remi.gacogne at powerdns.com>,
>         "pdns-users at mailman.powerdns.com" <pdns-users at mailman.powerdns.com>
> Subject: Re: [Pdns-users] [EXTERNE]Re: [dnsdist] Dnsdist not reading
>         from the cache
> Message-ID: <5a536fb77d7a42039c9e5009341df52e at topnetpro.tn>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> Hi Remi
> 
> Thank you for your answer
> I test the cache as follows:
> getPool("resolverTopnet"):getCache():printStats()
> 
> I get empty values:
> 
> Entries: 0/2000000
> Hits: 0
> Misses: 0
> Deferred inserts: 0
> Deferred lookups: 0
> Lookup Collisions: 0
> Insert Collisions: 0
> TTL Too Shorts: 0
> 
> before updating dnsdist from 1.5 to 1.7 i can see the values
> 
> Thanks a lot
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> ________________________________
> De : Remi Gacogne <remi.gacogne at powerdns.com>
> Envoy? : vendredi 9 septembre 2022 09:24
> ? : SAMI RAHAL; pdns-users at mailman.powerdns.com
> Objet : [EXTERNE]Re: [Pdns-users] [dnsdist] Dnsdist not reading from the cache
> 
> Hi,
> 
> On 07/09/2022 14:02, SAMI RAHAL via Pdns-users wrote:
> > for those running dnsdist I'm wondering is anyone has set up cache.
> >
> > If you have, I'd appreciate pointers in your strategies (and/or some
> > examples?).
> 
> A lot of installations are using caching in dnsdist, yes. I don't see
> anything immediately wrong after looking at your configuration. What
> makes you think caching is not working?
> 
> --
> Remi Gacogne
> PowerDNS.COM BV - https://www.powerdns.com/
> 
> -------------- next part --------------
> An HTML attachment was scrubbed...
> URL: <http://mailman.powerdns.com/pipermail/pdns-users/attachments/20220909/2dea0688/attachment-0001.htm>
> 
> ------------------------------
> 
> Message: 3
> Date: Fri, 9 Sep 2022 11:37:51 +0200
> From: Remi Gacogne <remi.gacogne at powerdns.com>
> To: "pdns-users at mailman.powerdns.com"
>         <pdns-users at mailman.powerdns.com>
> Subject: Re: [Pdns-users] [EXT] RE: [EXTERNE]Re: [dnsdist] Dnsdist not
>         reading from the cache
> Message-ID: <caed01f5-6771-3828-b323-3bcc4f7e1c46 at powerdns.com>
> Content-Type: text/plain; charset="utf-8"; Format="flowed"
> 
> On 09/09/2022 11:34, SAMI RAHAL wrote:
> 
> > Thank you for your answer I test the cache as follows:
> > getPool("resolverTopnet"):getCache():printStats()
> >
> > I get empty values:
> >
> > Entries: 0/2000000
> > Hits: 0
> > Misses: 0
> > Deferred inserts: 0
> > Deferred lookups: 0
> > Lookup Collisions: 0
> > Insert Collisions: 0
> > TTL Too Shorts: 0
> >
> > before updating dnsdist from 1.5 to 1.7 i can see the values
> 
> But how are you testing exactly? How are you sending the DNS queries
> during your test?
> 
> --
> Remi Gacogne
> PowerDNS.COM BV - https://www.powerdns.com/
> 
> -------------- next part --------------
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> 
> ------------------------------
> 
> Subject: Digest Footer
> 
> _______________________________________________
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> https://mailman.powerdns.com/mailman/listinfo/pdns-users
> 
> 
> ------------------------------
> 
> End of Pdns-users Digest, Vol 236, Issue 5
> ******************************************
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> 
> ------------------------------
> 
> Message: 2
> Date: Fri, 09 Sep 2022 18:14:02 +0200
> From: abang at t-ipnet.net
> To: SAMI RAHAL via Pdns-users <pdns-users at mailman.powerdns.com>,
>         "pdns-users at mailman.powerdns.com" <pdns-users at mailman.powerdns.com>
> Subject: Re: [Pdns-users] [dnsdist] Dnsdist not reading from the cache
> Message-ID: <AA4AB0E2-67B4-471D-B343-2FA7571F5E12 at t-ipnet.net>
> Content-Type: text/plain; charset="utf-8"
> 
> > getPool("resolverTopnet"):getCache():printStats()
> 
> In one of your previous mails the pool name was "resolver".
> 
> Am 9. September 2022 17:38:10 MESZ schrieb SAMI RAHAL via Pdns-users <pdns-users at mailman.powerdns.com>:
> >Hi Remi
> >
> >The server is in production it receives requests as shown in this summary
> >
> >Uptime: 17 days, Number of queries: 2326402346 (2385.00 qps), ACL drops: 0, Dynamic drops: 27076173, Rule drops: 6451838
> >Average response time: 9.40 ms, CPU Usage: 26.50%, Cache hitrate: 85.37%, Server selection policy: leastOutstanding
> >Listening on: 0.0.0.0:53, ACL: 0.0.0.0/0
> >
> >
> >thanks Rahal
> >
> >
> >
> >
> >
> >Cordialement, Sami Rahal Service Hosting DNS et Cloud Direction Technique & SI Si?ge Social TOPNET, Centre Urbain Nord T?l. :71185000 GSM :99 459 812
> >
> >
> >________________________________
> >De : Pdns-users <pdns-users-bounces at mailman.powerdns.com> de la part de pdns-users-request at mailman.powerdns.com <pdns-users-request at mailman.powerdns.com>
> >Envoy? : vendredi 9 septembre 2022 14:00
> >? : pdns-users at mailman.powerdns.com
> >Objet : [EXTERNE]Pdns-users Digest, Vol 236, Issue 5
> >
> >ATTENTION:Cet e-mail provient d'une personne externe ? TOPNET. Ne pas cliquer sur des liens ou ouvrir des pi?ces jointes ? moins que vous ?tes absolument s?r de l'origine de l'e-mail.
> >'
> >
> >Send Pdns-users mailing list submissions to
> >        pdns-users at mailman.powerdns.com
> >
> >To subscribe or unsubscribe via the World Wide Web, visit
> >        https://mailman.powerdns.com/mailman/listinfo/pdns-users
> >or, via email, send a message with subject or body 'help' to
> >        pdns-users-request at mailman.powerdns.com
> >
> >You can reach the person managing the list at
> >        pdns-users-owner at mailman.powerdns.com
> >
> >When replying, please edit your Subject line so it is more specific
> >than "Re: Contents of Pdns-users digest..."
> >
> >
> >Today's Topics:
> >
> >   1. Re: [dnsdist] Dnsdist not reading from the cache (Remi Gacogne)
> >   2. Re: [EXTERNE]Re: [dnsdist] Dnsdist not reading from the cache
> >      (SAMI RAHAL)
> >   3. Re: [EXT] RE: [EXTERNE]Re: [dnsdist] Dnsdist not reading from
> >      the cache (Remi Gacogne)
> >
> >
> >----------------------------------------------------------------------
> >
> >Message: 1
> >Date: Fri, 9 Sep 2022 09:24:57 +0200
> >From: Remi Gacogne <remi.gacogne at powerdns.com>
> >To: SAMI RAHAL <Sami.Rahal at topnetpro.tn>,
> >        "pdns-users at mailman.powerdns.com" <pdns-users at mailman.powerdns.com>
> >Subject: Re: [Pdns-users] [dnsdist] Dnsdist not reading from the cache
> >Message-ID: <00726a29-c73a-59e0-c901-a9109f114396 at powerdns.com>
> >Content-Type: text/plain; charset="utf-8"; Format="flowed"
> >
> >Hi,
> >
> >On 07/09/2022 14:02, SAMI RAHAL via Pdns-users wrote:
> >> for those running dnsdist I'm wondering is anyone has set up cache.
> >>
> >> If you have, I'd appreciate pointers in your strategies (and/or some
> >> examples?).
> >
> >A lot of installations are using caching in dnsdist, yes. I don't see
> >anything immediately wrong after looking at your configuration. What
> >makes you think caching is not working?
> >
> >--
> >Remi Gacogne
> >PowerDNS.COM BV - https://www.powerdns.com/
> >
> >-------------- next part --------------
> >A non-text attachment was scrubbed...
> >Name: OpenPGP_signature
> >Type: application/pgp-signature
> >Size: 488 bytes
> >Desc: OpenPGP digital signature
> >URL: <http://mailman.powerdns.com/pipermail/pdns-users/attachments/20220909/f888398c/attachment-0001.sig>
> >
> >------------------------------
> >
> >Message: 2
> >Date: Fri, 9 Sep 2022 09:34:19 +0000
> >From: SAMI RAHAL <Sami.Rahal at topnetpro.tn>
> >To: Remi Gacogne <remi.gacogne at powerdns.com>,
> >        "pdns-users at mailman.powerdns.com" <pdns-users at mailman.powerdns.com>
> >Subject: Re: [Pdns-users] [EXTERNE]Re: [dnsdist] Dnsdist not reading
> >        from the cache
> >Message-ID: <5a536fb77d7a42039c9e5009341df52e at topnetpro.tn>
> >Content-Type: text/plain; charset="iso-8859-1"
> >
> >Hi Remi
> >
> >Thank you for your answer
> >I test the cache as follows:
> >getPool("resolverTopnet"):getCache():printStats()
> >
> >I get empty values:
> >
> >Entries: 0/2000000
> >Hits: 0
> >Misses: 0
> >Deferred inserts: 0
> >Deferred lookups: 0
> >Lookup Collisions: 0
> >Insert Collisions: 0
> >TTL Too Shorts: 0
> >
> >before updating dnsdist from 1.5 to 1.7 i can see the values
> >
> >Thanks a lot
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >________________________________
> >De : Remi Gacogne <remi.gacogne at powerdns.com>
> >Envoy? : vendredi 9 septembre 2022 09:24
> >? : SAMI RAHAL; pdns-users at mailman.powerdns.com
> >Objet : [EXTERNE]Re: [Pdns-users] [dnsdist] Dnsdist not reading from the cache
> >
> >Hi,
> >
> >On 07/09/2022 14:02, SAMI RAHAL via Pdns-users wrote:
> >> for those running dnsdist I'm wondering is anyone has set up cache.
> >>
> >> If you have, I'd appreciate pointers in your strategies (and/or some
> >> examples?).
> >
> >A lot of installations are using caching in dnsdist, yes. I don't see
> >anything immediately wrong after looking at your configuration. What
> >makes you think caching is not working?
> >
> >--
> >Remi Gacogne
> >PowerDNS.COM BV - https://www.powerdns.com/
> >
> >-------------- next part --------------
> >An HTML attachment was scrubbed...
> >URL: <http://mailman.powerdns.com/pipermail/pdns-users/attachments/20220909/2dea0688/attachment-0001.htm>
> >
> >------------------------------
> >
> >Message: 3
> >Date: Fri, 9 Sep 2022 11:37:51 +0200
> >From: Remi Gacogne <remi.gacogne at powerdns.com>
> >To: "pdns-users at mailman.powerdns.com"
> >        <pdns-users at mailman.powerdns.com>
> >Subject: Re: [Pdns-users] [EXT] RE: [EXTERNE]Re: [dnsdist] Dnsdist not
> >        reading from the cache
> >Message-ID: <caed01f5-6771-3828-b323-3bcc4f7e1c46 at powerdns.com>
> >Content-Type: text/plain; charset="utf-8"; Format="flowed"
> >
> >On 09/09/2022 11:34, SAMI RAHAL wrote:
> >
> >> Thank you for your answer I test the cache as follows:
> >> getPool("resolverTopnet"):getCache():printStats()
> >>
> >> I get empty values:
> >>
> >> Entries: 0/2000000
> >> Hits: 0
> >> Misses: 0
> >> Deferred inserts: 0
> >> Deferred lookups: 0
> >> Lookup Collisions: 0
> >> Insert Collisions: 0
> >> TTL Too Shorts: 0
> >>
> >> before updating dnsdist from 1.5 to 1.7 i can see the values
> >
> >But how are you testing exactly? How are you sending the DNS queries
> >during your test?
> >
> >--
> >Remi Gacogne
> >PowerDNS.COM BV - https://www.powerdns.com/
> >
> >-------------- next part --------------
> >A non-text attachment was scrubbed...
> >Name: OpenPGP_signature
> >Type: application/pgp-signature
> >Size: 488 bytes
> >Desc: OpenPGP digital signature
> >URL: <http://mailman.powerdns.com/pipermail/pdns-users/attachments/20220909/38552f8b/attachment-0001.sig>
> >
> >------------------------------
> >
> >Subject: Digest Footer
> >
> >_______________________________________________
> >Pdns-users mailing list
> >Pdns-users at mailman.powerdns.com
> >https://mailman.powerdns.com/mailman/listinfo/pdns-users
> >
> >
> >------------------------------
> >
> >End of Pdns-users Digest, Vol 236, Issue 5
> >******************************************
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> 
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> ------------------------------
> 
> End of Pdns-users Digest, Vol 236, Issue 6
> ******************************************

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