Read the KIP again and I think it looks good.

+1 from me.

On Tue, Feb 7, 2017 at 3:05 PM, Jun Rao <j...@confluent.io> wrote:
> Hi, Mani,
>
> If a token expires, then every broker will potentially try to delete it
> around the same time, but only one will succeed. So, we will have to deal
> with failures in that case? Another way is to let just one broker (say, the
> controller) deletes expired tokens.
>
> It would also be helpful for others to give feedback on this KIP. Rajini,
> Gwen, Ismael?
>
> Thanks,
>
> Jun
>
>
> On Sun, Feb 5, 2017 at 9:54 AM, Manikumar <manikumar.re...@gmail.com> wrote:
>
>> Hi Jun,
>>
>>  Please see the replies inline.
>>
>>
>> > >
>> > > Only one broker does the deletion. Broker updates the expiration in its
>> > > local cache
>> > > and on zookeeper so other brokers also get notified and their cache
>> > > statuses are updated as well.
>> > >
>> > >
>> > Which broker does the deletion?
>> >
>>
>> Any broker can handle the create/expire/renew/describe delegationtoken
>> requests.
>> changes are propagated through zk notifications.  Every broker is
>> responsible for
>> expiring the tokens. This check be can done during request handling time
>> and/or
>> during token authentication time.
>>
>>
>> >
>> >
>> > 110. The diagrams in the wiki still show MD5 digest. Could you change it
>> to
>> > SCRAM?
>> >
>> >
>>   Updated the diagram.
>>
>>
>>
>> Thanks,
>> Manikumar
>>
>>
>>
>>
>> >
>> >
>> > >
>> > > Thanks.
>> > > Manikumar
>> > >
>> > >
>> > > >
>> > > > On Fri, Dec 23, 2016 at 9:26 AM, Manikumar <
>> manikumar.re...@gmail.com>
>> > > > wrote:
>> > > >
>> > > > > Hi,
>> > > > >
>> > > > > I would like to initiate the vote on KIP-48:
>> > > > >
>> > > > > https://cwiki.apache.org/confluence/display/KAFKA/KIP-48+
>> > > > > Delegation+token+support+for+Kafka
>> > > > >
>> > > > >
>> > > > > Thanks,
>> > > > > Manikumar
>> > > > >
>> > > >
>> > >
>> >
>>



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Gwen Shapira
Product Manager | Confluent
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