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From: Guozhang Wang <wangguoz@gmail.com>
Date: Tue, 9 May 2017 21:21:23 -0700
Message-ID: <CAHwHRrWNZMrLT7s_zy9raGvDoySGDXTqsHUVz-p=56=PrHXGcA@mail.gmail.com>
Subject: Re: [DISCUSS] KIP-155 Add range scan for windowed state stores
To: "dev@kafka.apache.org" <dev@kafka.apache.org>
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archived-at: Wed, 10 May 2017 04:21:31 -0000

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Thanks, the KIP sounds good to me. There is no implementation proposal in
the JIRA / KIP yet, would you like you drive the implementation also?


Guozhang

On Tue, May 9, 2017 at 8:29 AM, Xavier L=C3=A9aut=C3=A9 <xavier@confluent.i=
o> wrote:

> I updated the KIP to reflect Michal's comment. Unless there are any furth=
er
> comments, I will initiate a vote this evening.
>
> On Mon, May 8, 2017 at 11:01 AM Xavier L=C3=A9aut=C3=A9 <xavier@confluent=
.io> wrote:
>
> > That sounds reasonable, Michal. Given the underlying implementation use=
s
> > the same segmented bytes store I don't think it should be too difficult
> to
> > add.
> >
> > On Mon, May 8, 2017 at 2:04 AM Michal Borowiecki <
> > michal.borowiecki@openbet.com> wrote:
> >
> >> Hi Xavier,
> >>
> >> I like your KIP. Do you think the same should apply to session stores?
> >>
> >> IMHO, all three should be on par wrt the ability to query key ranges
> >> (although I understand the implementation concerns for windowed stores
> are
> >> more involved than for normal key value stores).
> >>
> >> Thanks,
> >>
> >> Michal
> >>
> >> On 08/05/17 08:18, Xavier L=C3=A9aut=C3=A9 wrote:
> >>
> >> Hi everyone,
> >>
> >> I am proposing to add the ability to range scan windowed state stores =
in
> >> Kafka Streams. The required interface changes are relatively minimal a=
nd
> >> follow our existing conventions for state stores. Let me know if that
> >> sounds reasonable.
> >> https://cwiki.apache.org/confluence/display/KAFKA/KIP+
> 155+-+Add+range+scan+for+windowed+state+stores
> >> https://issues.apache.org/jira/browse/KAFKA-5192
> >>
> >> Thank you,
> >> Xavier
> >>
> >>
> >>
> >> --
> >> <http://www.openbet.com/> Michal Borowiecki
> >> Senior Software Engineer L4
> >> T: +44 208 742 1600 <+44%2020%208742%201600>
> >>
> >>
> >> +44 203 249 8448 <+44%2020%203249%208448>
> >>
> >>
> >>
> >> E: michal.borowiecki@openbet.com
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--=20
-- Guozhang

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