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From Andrey Ilinykh <ailin...@gmail.com>
Subject Re: configuring read write quorums in cassandra
Date Wed, 28 Aug 2013 20:51:03 GMT
Each query has its own consistency level. It has nothing to do with
cassandra.


On Wed, Aug 28, 2013 at 1:48 PM, Muntasir Raihan Rahman <
muntasir.raihan@gmail.com> wrote:

> Sorry, let me clarify.
>
> Let us say I set read consistency level = ONE, and I am running the
> system for a while. Then I want to change the read consistency level
> to TWO so that reads now wait to hear back from 2 replicas instead of
> 1 before responding to the client. I want to change this consistency
> level, and then continue running the system.
>
> Does that clarify my query?
>
> Thanks
> Muntasir.
>
> On Wed, Aug 28, 2013 at 3:39 PM, Andrey Ilinykh <ailinykh@gmail.com>
> wrote:
> > What do you mean "to change the cassandra read and write quorums"?
> Quorum is
> > quorum, 2 of 3 for example. What do you want to change?
> >
> > Andrey
> >
> >
> > On Wed, Aug 28, 2013 at 1:33 PM, Muntasir Raihan Rahman
> > <muntasir.raihan@gmail.com> wrote:
> >>
> >> Hello,
> >>
> >> Are there any tools (e.g like nodetool) that could be used to change
> >> the cassandra read and write quorums at run-time?
> >>
> >> In general what is a good strategy of changing these system parameters
> >> while cassandra is running?
> >>
> >> Any pointers could be useful!
> >>
> >> Thanks
> >> Muntasir.
> >
> >
>
>
>
> --
> Best Regards
> Muntasir Raihan Rahman
> Email: muntasir.raihan@gmail.com
> Department of Computer Science,
> University of Illinois Urbana Champaign,
> 3111 Siebel Center,
> 201 N. Goodwin Avenue,
> Urbana, IL  61801
>

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