[Kea-users] Wrong values in Kea statistics

[Chaigneau, Nicolas]

Hello,


We're upgrading to Kea 1.2, so I won't need a patch for 1.1.0 after all. :)


Regards,
Nicolas.

De : Kea-users [mailto:kea-users-bounces at lists.isc.org] De la part de Chaigneau, Nicolas
Envoyé : mercredi 19 avril 2017 15:33
À : Thomas Markwalder; kea-users at lists.isc.org
Objet : Re: [Kea-users] Wrong values in Kea statistics

Thomas,


I would love to use 1.2 :)

Timing is unfortunate though. We're currently integrating Kea 1.1.0, and we might not have the time to upgrade to 1.2 when it's available.
If this is the case I'll have to fix the issue on 1.1.0 before we ship. If you provide an official patch, it will be easier :)


Regards,
Nicolas.

De : Thomas Markwalder [mailto:tmark at isc.org]
Envoyé : mercredi 19 avril 2017 15:20
À : Chaigneau, Nicolas; kea-users at lists.isc.org<mailto:kea-users at lists.isc.org>
Objet : Re: [Kea-users] Wrong values in Kea statistics

Hi Nicolas:

It does affect 1.1.0.  We can probably make a patch available, of course we would encourage you to upgrade 1.2.  It has lots of shiny new features to play with.

Cheers,

Thomas


On 4/19/17 8:35 AM, Chaigneau, Nicolas wrote:
Hello Thomas,


I assume this issue also affects Kea 1.1.0 ?

If so, would it be possible to have a corrective patch for 1.1.0 ?



Regards,
Nicolas.

De : Kea-users [mailto:kea-users-bounces at lists.isc.org] De la part de Thomas Markwalder
Envoyé : mercredi 19 avril 2017 14:08
À : kea-users at lists.isc.org<mailto:kea-users at lists.isc.org>
Objet : Re: [Kea-users] Wrong values in Kea statistics

Hello Malcom:

As per my private replies to you, we have identified the issue.   As a matter of expediency, I have created a ticket for your issue:

   http://kea.isc.org/ticket/5247#ticket

and we are working into our Kea 1.2 release which is in beta now.  Code freeze for final is Monday.  We felt this issue warranted a fix forthwith.  You'll need to register:

http://kea.isc.org/register

to view the ticket.

To recap the issue:   The v4 server does not increment assigned-leases when expired leases are renewed (same client) or reused (different client).  Since we decrement assigned-leases each time we expire a lease (as we should), the assigned-leases stat becomes incorrect with the first reissue of an expired lease.

Based on that stats you provided, it looks like client leases expire pretty frequently in your environment as your reclaim-leases stat is quite large.

Additionally testing shows  a similar error in v6 assigned-nas assigned-pds stats.  This will be corrected under the same ticket.

Regards,

Thomas Markwalder

On 4/17/17 9:30 AM, Malcolm Scerri wrote:
Hello everyone,

I am using Kea socket to obtain statistics per each configured subnet. However, the value of Assigned addresses is exceeding the value of Total addresses.

This issue is currently occurring on two servers and on multiple subnets and cannot figure out what might be wrong.

I appreciate any help on this matter.

Thank you in advance!

Malcolm.








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