Hi Jeff,

Thanks for the updated KIP, looks good.

Regards,

Rajini


On Fri, May 15, 2020 at 5:57 PM Jeff Huang <jeff.hu...@confluent.io> wrote:

> Hi David,
>
> Thanks for your suggestions. I updated KIP based on your comments 1,2 and
> 4. For comment 3), I think the approach which Authorizer extend Monitorable
> would be simple for broker calling monitor function without checking
> whether Object implemented Monitorable function or not and make it
> generalization. This will also comply with convention like we do in other
> interface like Configurable.
>
> Thanks!
>
> Jeff.
>
> On 2020/05/15 15:09:36, David Jacot <dja...@confluent.io> wrote:
> > Hey Jeff,
> >
> > Thanks for the updated KIP. The interface looks good to me. I've got
> couple
> > of comments:
> >
> > 1. You say: "Other broker or client plugins could potentially implement
> the
> > interface and get the
> > broker's or client's Metrics instance to add additional metrics from
> > sub-components." Does it
> > imply that you will update the loading mechanism of all plugins? It won't
> > work otherwise. We should
> > do it probably as it is centralized. If not, we should clarify that we
> use
> > an interface to keep this option
> > open but that we will do it in a future KIP.
> >
> > 2. I would add the previous proposal to the rejected alternatives to not
> > forget about it.
> >
> > 3. I wonder if we should extend the Authorizer interface with the
> > Monitorable one by default or keep it
> > as an option for the concrete plugin to use it or not. I don't have a
> > strong opinion on this one. The
> > rationale behind this would be to keep it for advanced users. I wonder
> what
> > you and others think about this.
> >
> > 4. Metrics are considered as part of the public interface. It would be
> > great if you could move the description
> > in that section.
> >
> > Best,
> > David
> >
> > On Tue, May 12, 2020 at 7:46 PM Jeff Huang <jeff.hu...@confluent.io>
> wrote:
> >
> > > Hey David,
> > > I accepted your suggestion and add Monitorable interface. Thanks for
> great
> > > suggestion. Please review KIP-608 again and see any suggestion on name
> of
> > > function or other stuff.
> > >
> > > jeff.
> > >
> > > On 2020/05/11 15:16:30, David Jacot <dja...@confluent.io> wrote:
> > > > Hey,
> > > >
> > > > Thanks for the KIP.
> > > >
> > > > I think that having the possibilities to expose metrics in plugins
> such
> > > as
> > > > the authorizer in a
> > > > nice improvement. I do wonder if we could come up with a more
> generic way
> > > > to do this that
> > > > would apply to all plugins instead of having something specific for
> the
> > > > authorized.
> > > >
> > > > For instance, we have the `Configurable` interface that allows us to
> > > > configure a plugin. We
> > > > could perhaps think of having a `Monitorable` interface that would
> allow
> > > to
> > > > pass the Metrics
> > > > instance to the plugin. Have you thought about such an approach?
> > > >
> > > > Best,
> > > > David
> > > >
> > > > On Wed, May 6, 2020 at 6:43 PM Jeff Huang <jeff.hu...@confluent.io>
> > > wrote:
> > > >
> > > > > Will update KIP.
> > > > > thanks!
> > > > >
> > > > > On 2020/05/06 15:09:53, Rajini Sivaram <rajinisiva...@gmail.com>
> > > wrote:
> > > > > > Hi Jeff,
> > > > > >
> > > > > > Thanks for the KIP. It looks useful since it allows authorizers
> to
> > > use
> > > > > the
> > > > > > broker's metrics instance. We could perhaps use this in
> > > AclAuthorizer to
> > > > > > generate authorizer metrics?
> > > > > >
> > > > > > Regards,
> > > > > >
> > > > > > Rajini
> > > > > >
> > > > > > On Tue, May 5, 2020 at 9:04 PM Zhiguo Huang <
> jeff.hu...@confluent.io
> > > >
> > > > > wrote:
> > > > > >
> > > > > > >
> > > > > > >
> > > > >
> > >
> https://cwiki.apache.org/confluence/display/KAFKA/KIP-608+-+Add+a+new+method+to+AuthorizerServerInfo+Interface
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
>

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