Hi Baskar,
The key aspect here is, you have to think of your queries , and
denormalize. Here are my suggestions based on my understanding so far.
You seem to have 2 queries
A) what all users do I have
B) what organizations do the users belong to
The first can be a static column family- these are
Hi Ei,
Thanks a lot.IT worked. The node has started after deleting the files
from the system keyspace.
Thanks
Rajesh Kumar
On Tuesday 07 August 2012 11:04 AM, 張 睿 wrote:
Hello Kumar,
If you've started cassandra on this node before, the cluster name
would be stored in the system keyspace.
Ev
Hello Kumar,
If you've started cassandra on this node before, the cluster name would
be stored in the system keyspace.
Everytime you start cassandra node, it will compare the value between
the one in system keyspace and the one
in you configuration file, if they're not equal, you'll get an err
Hi Everyone,
I have an error starting a cassandra node. I have checked the
configuration file cassandra.yaml where the cluster name is Brisk
Cluster.Where as the when i start the node it give me exception with the
cluster name as Test Cluster. I am using brisk-1.0-beta2 version.
ERROR 10:40:1
are there ubuntu packages?
Cassandra modeling is well documented on the web and a bit too complex
to be explained in one mail.
I advice you reading a lot before you make modeling choices.
You may start with these links :
http://www.datastax.com/docs/1.1/ddl/about-data-model#comparing-the-cassandra-data-model-to-a-relation
Is there any way to extract data information from the cassandra log
(commit-log) using a java program?
I tried to open this file using gedit or tail to look the 'structure' of
the cassandra loggin, but it doesn't works well.
Thanks in advance.
Regards,
Felipe Mathias Schmidt
*(Computer Science UF
Hi,
Just wanted to learn Cassandra and trying to convert RDBMS design to
Canssandra.
Considered my app is being deployed in multiple Data centers.
*DB Design :
A) CF : USER
1) email_id - primary key
2) fullname
3) organization - (
Hi sorry about reopening this old thread but I think that this
function (unsafeAssassinateEndpoint) can help me to resolve a problem
I have in production for a while :
http://grokbase.com/t/cassandra/user/127knx7nn0/unreachable-node-not-in-nodetool-ring
I have no Idea about how to use it, Can you
Christof,
Am not convinced you need to change your comparator. Bytestype works for
most sorting even text ones.
Did you mean validator- for a column's value. Comparator is for column
ordering (ORDER BY in sql).
I believe you can just convert the text you want to search for to bytes
and then put i
10 matches
Mail list logo
