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From: Jonathan Haddad <jon@jonhaddad.com>
Date: Fri, 25 Mar 2016 18:40:18 +0000
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Subject: Re: apache cassandra for trading system
To: user@cassandra.apache.org
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You can use keyspaces with multiple data centers to get what you want.

That said, if you're going to use only 1 node, I don't think Cassandra is
the right fit for you.

http://rustyrazorblade.com/2013/09/cassandra-faq-can-i-start-with-a-single-node/
On Fri, Mar 25, 2016 at 11:09 AM Vero Kato <vero.katos@gmail.com> wrote:

> hi, we are building trading system and we want to use cassandra as our
> database.
> we want this set-up:
> one node which stored one day set of data which will be running on the
> same host as trading application
> two nodes which store all data (for the current date and historical) which
> will be running on other boxes.
>
> can you please suggest how easily it will be to have this set-up? i.e. we
> have three nodes, but one of them (on the same box where our app located)
> will be discarding all historical data which are older than one day?
>
>
> thanks
>

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You can use keyspaces with multiple data centers to get what you want. <br>=
<br>That said, if you&#39;re going to use only 1 node, I don&#39;t think Ca=
ssandra is the right fit for you. <br><br><a href=3D"http://rustyrazorblade=
.com/2013/09/cassandra-faq-can-i-start-with-a-single-node/">http://rustyraz=
orblade.com/2013/09/cassandra-faq-can-i-start-with-a-single-node/</a><br><d=
iv class=3D"gmail_quote"><div dir=3D"ltr">On Fri, Mar 25, 2016 at 11:09 AM =
Vero Kato &lt;<a href=3D"mailto:vero.katos@gmail.com">vero.katos@gmail.com<=
/a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0=
 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir=3D"ltr">hi,=
 we are building trading system and we want to use cassandra as our databas=
e.=C2=A0<div>we want this set-up:=C2=A0</div><div>one node which stored one=
 day set of data which will be running on the same host as trading applicat=
ion</div><div>two nodes which store all data (for the current date and hist=
orical) which will be running on other boxes.=C2=A0</div><div><br></div><di=
v>can you please suggest how easily it will be to have this set-up? i.e. we=
 have three nodes, but one of them (on the same box where our app located) =
will be discarding all historical data which are older than one day?</div><=
div><br></div><div><br></div><div>thanks</div></div>
</blockquote></div>

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