I have to create Multiple Column Families in my keyspace. One way is to
create the column families one by one.. But in my case, I have around 100
column families so I cannot do it one by one... So is there any way, I can
create multiple column families through some sort of script which can
create m
I am working on a use case for Timeline series data. I have been told to
create 600 column families in Cassandra. Meaning for 10 minutes, I will be
having column families in Cassandra. Each second will have its own column
family, so till 10 minutes which is 600 second, I will be having 600 column
f
Can we have a composite values in each columns in Cassandra Column Family?
user-id column1-name
123 (Column1-Value Column1-SchemaName Column1-LastModifiedDate)
userId is the rowKey here. And same thing will be for other columns as well.
Each column value will contain below three
Can anyone help me on this?
Any help will be appreciated.. Thanks..
*Raihan Jamal*
On Tue, Sep 17, 2013 at 4:44 PM, Raihan Jamal wrote:
> I am designing the Column Family for our use case in Cassandra. I am
> planning to go with Dynamic Column Structure.
>
> Below is my req
= 'UTF8Type'
and comparator = 'BytesType'
and default_validation_class = 'UTF8Type'
and gc_grace = 86400
and column_metadata = [ {column_name : 'lmd', validation_class :
DateType}];
*Raihan Jamal*
I am designing the Column Family for our use case in Cassandra. I am
planning to go with Dynamic Column Structure.
Below is my requirement per our use case-
user-id column1123 (Column1-Value Column1-SchemaName LMD)
For each user-id, we will be storing column1 and its value and that val
I am trying to see whether there will be any performance difference between
Cassandra 1.0.8 vs Cassandra 1.2.2 for reading the data mainly?
Has anyone seen any major performance difference?
e out.
In the service management also, I am not able to figure out what service I
need to stop. I cannot find any service related to Cassandra.
Any thoughts?
*Raihan Jamal*
On Wed, Apr 17, 2013 at 12:43 PM, aaron morton wrote:
> Error: Exception thrown by t
Hello,
Can anyone provide any help on this?
Thanks in advance.
*Raihan Jamal*
On Tue, Apr 16, 2013 at 6:50 PM, Raihan Jamal wrote:
> Hello,
>
> I installed single node cluster in my local dev box which is running
> Windows 7 and it was working fine. Due to some reaso
Hello,
I installed single node cluster in my local dev box which is running
Windows 7 and it was working fine. Due to some reason, I need to restart my
desktop and then after that whenever I am doing like this on the command
prompt, it always gives me the below exception-
S:\Apache Cassandra\apac
Folks, Any thoughts on this? I am still in the learning process. So any
guidance will be of great help.
*Raihan Jamal*
On Wed, Apr 10, 2013 at 10:39 PM, Raihan Jamal wrote:
> I have started working on a project in which I am using `Cassandra
> database`.
>
> Our production DBA&
I have started working on a project in which I am using `Cassandra
database`.
Our production DBA's have setup `two cluster` and each cluster will have
`12 nodes`.
I will be using `Pelops client` to read the data from Cassandra database.
Now I am thinking what's the best way to create `Cluster` us
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