Re: is it advisable to keep the data that is not frequently read/written to the database else where ?

Ramesh On Fri, Sep 30, 2011 at 10:30 AM, Jonathan Ellis wrote: > Short answer: no. > > Longer: What problems do you hope to avoid by adding this complexity? > > On Fri, Sep 30, 2011 at 9:45 AM, Ramesh S wrote: > > > > > > I have some data that would be re

is it advisable to keep the data that is not frequently read/written to the database else where ?

I have some data that would be read/write might be once during the entire session, like authentication info. When designing database with Cassandra is it advisable to keep the data that is not frequently read/written to the database else where ? Thank you regards, Ramesh

Re: create super column family for

I am using 0.8.6. On Thu, Sep 29, 2011 at 11:10 PM, Yi Yang wrote: > ** Which version are you using? In my memory 0.8.3 cannot do it correctly > but later versions fixed the bug. > > 從我的 BlackBerry(R) 無線裝置 > ------ > *From: * Ramesh S > *Date: *Thu,

Re: Is LexicalUUID a good option for generating Ids

now if I understand correctly that UUIDs are good unless you > have a specific reading pattern. In the latter case you can develop a better > compound row key. > > Yi > > 從我的 BlackBerry(R) 無線裝置 > ------ > *From: * Ramesh S > *Date: *Thu, 29 Sep 2011

Re: Is LexicalUUID a good option for generating Ids

rton > Freelance Cassandra Developer > @aaronmorton > http://www.thelastpickle.com > > On 30/09/2011, at 5:48 AM, Ramesh S wrote: > > > We have to assign Id for each item in our database. Item is linked to geo > location and hence would need hundreds of millions of Ids.

Re: create super column family for

tion_class: UTF8Type} {column_name: lenght, validation_class: UTF8Type} {column_name: width, validation_class: UTF8Type} ]; regards, Ramesh On Thu, Sep 29, 2011 at 3:23 PM, Ramesh S wrote: > I am trying to create a super column family using Cli command. > But I am not getting it. >

create super column family for

I am trying to create a super column family using Cli command. But I am not getting it. The structure is <>ProductCategory <>#ProductType <>#productCatId +subProdName +lenght +width I tried a lot many ways but I can't find the right way to get this done. Something like this give me error - misma

Is LexicalUUID a good option for generating Ids

We have to assign Id for each item in our database. Item is linked to geo location and hence would need hundreds of millions of Ids. So is LexicalUUID a good option ? regards, Ramesh

Re: unable to start as a service on Ubuntu server

Thanks a lot Shyamal. That was the solution. It works now :) regards Ramesh On Tue, Sep 27, 2011 at 8:36 PM, Shyamal Prasad wrote: > > >>>>> "Ramesh" =3D=3D Ramesh S writes: > >Ramesh> Hello all, We installed Cassandra on our development >

Re: unable to start as a service on Ubuntu server

--- > Aaron Morton > Freelance Cassandra Developer > @aaronmorton > http://www.thelastpickle.com > > On 28/09/2011, at 12:34 PM, Ramesh S wrote: > > On IRC channel, I was told that 'service' clears the environment variables. > Just in case , some one might be having

Re: unable to start as a service on Ubuntu server

On Tue, Sep 27, 2011 at 5:49 PM, Ramesh S wrote: > Thanks Konstantin. > > I checked the services, but it doesn't show up for some reason. Even trying > to connect locally or remotely using a CLI client, returned > Exception connecting to xx.xx.xx.xx/9160. Reason: Connecti

Re: unable to start as a service on Ubuntu server

You > can connect to it from the CLI or any other client. You can see what it is > doing by reading the logs. cassandra -f starts Cassandra in the foreground, > that is why it does not return a prompt when the server starts. > > - Original Message - > From: "Ramesh S

unable to start as a service on Ubuntu server

> > Hello all, > > We installed Cassandra on our development server , which is a fresh Ubuntu > server running only Cassandra. > We followed all the instructions on this > link and > when we want to start the server as a service by issuing