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Subject: Re: [EXTERNAL] Re: Triggers
Fair enough, do not hesitate to join us on Slack if you have questions, I bet
there are a lot of people willing to gladly answer your questions and concerns
about Cassandra and how it differs from your relational world. Nothing bad
about a mailing list as
;>
>>> Finally, if you have any more questions on this I'd recommend you send them
>>> to the u...@cassandra.apache.org mailing list as this mailing list (
>>> dev@cassandra.apache.org) is related to the project development of
>>> Cassandra.
>>>
, December 15, 2020 1:38 PM
> To: dev@cassandra.apache.org
> Subject: Re: [EXTERNAL] Re: Triggers
>
> On Tue, 15 Dec 2020 at 14:24, Greg Oliver
> wrote:
> >
> > Why not batches: I thought that it might be best that read and write models
> > are in different key
to a relational database.
-Original Message-
From: Stefan Miklosovic
Sent: Tuesday, December 15, 2020 1:38 PM
To: dev@cassandra.apache.org
Subject: Re: [EXTERNAL] Re: Triggers
On Tue, 15 Dec 2020 at 14:24, Greg Oliver wrote:
>
> Why not batches: I thought that it might be best that rea
. Didn't know that "dev" means working on Cassandra
> itself. Sorry about that. I'll move the conversation to user@
>
> Thanks very much all for your contributions.
>
>
> -Original Message-
> From: Stefan Miklosovic
> Sent: Tuesday, December 15,
itself. Sorry
about that. I'll move the conversation to user@
Thanks very much all for your contributions.
-Original Message-
From: Stefan Miklosovic
Sent: Tuesday, December 15, 2020 12:59 PM
To: dev@cassandra.apache.org
Subject: [EXTERNAL] Re: Triggers
Hi,
why can'
> > Cassandra.
> >
> >> Em ter., 15 de dez. de 2020 às 09:28, Greg Oliver
> >> escreveu:
> >>
> >> Can't see it in the email. What's the slide #?
> >>
> >> From: Andrew Cobley (Staff)
> >> Sent: Tuesday, D
>> escreveu:
>>
>> Can't see it in the email. What's the slide #?
>>
>> From: Andrew Cobley (Staff)
>> Sent: Tuesday, December 15, 2020 12:26 PM
>> To: dev@cassandra.apache.org
>> Subject: [EXTERNAL] Re: Triggers
>>
&g
to the project development of
Cassandra.
Em ter., 15 de dez. de 2020 às 09:28, Greg Oliver
escreveu:
> Can't see it in the email. What's the slide #?
>
> From: Andrew Cobley (Staff)
> Sent: Tuesday, December 15, 2020 12:26 PM
> To: dev@cassandra.apache.org
> Subject: [
Can't see it in the email. What's the slide #?
From: Andrew Cobley (Staff)
Sent: Tuesday, December 15, 2020 12:26 PM
To: dev@cassandra.apache.org
Subject: [EXTERNAL] Re: Triggers
Yes that's right. I remember this illustration:
[Diagram Description automatically generate
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From: Paul Chandler
Date: Tuesday, 15 December 2020 at 12:16
To: dev@cassandra.apache.org
Subject: Re: Trigg
of
> the solution.
>
> With Cassandra (and I'm definitely new to it), as I learn more it looks like
> a set of materialized views might be a way to achieve the goal.
>
> Thoughts?
>
> From: Andrew Cobley (Staff)
> Sent: Tuesday, December 15, 2020 11:57 AM
>
Tuesday, December 15, 2020 11:57 AM
To: dev@cassandra.apache.org
Subject: [EXTERNAL] Re: Triggers
I may be wrong, but isn't the correct pattern for this to use two data centres?
You write to one data centre, replicate to the other and read from that one.
Or am misunderstanding ?
Andy
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From: Benjamin Lerer
Date: Tuesday, 15 December 2020 at 11:50
To: dev@cassandra.apache.org
Subject: Re: Triggers
Hi Greg
Hi Greg,
Things are more tricky in an eventually consistent distributed system than
they are in a relational database. Even if the C* triggers were perfect
(and they are not) and your write and read tables were exactly the same,
there is no guarantee that all the updates created by the trigger fro
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