r writing
> collections. This is an accident typically.
>
> The 'active' flag is good if you want to be able to go back and look
> at old deleted assignments. If you don't care about that, use a
> normal delete.
>
> Jon
>
> On Tue, Apr 9, 2019 at 7:00 AM Li, George
> wr
Hi,
I have a table defined like this:
CREATE TABLE myTable (
course_id text,
assignment_id text,
assignment_item_id text,
data text,
boolean active,
PRIMARY KEY (course_id, assignment_id, assignment_item_id)
);
i.e. course_id as the partition key and assignment_id, assignment_item_id
as
Hi,
we use Cassandra to store some association type of data. For example, store
user to course (course registrations) association and user to school
(school enrollment) association data. The schema for these two types of
associations are the same. So there are two options to store the data:
1. Put
I assume that you are restoring snapshot data onto a new ring with the same
topology (i.e. if the old ring has n nodes, your new ring has n nodes
also). I discussed this a consultant from DataStax, and he told me that I
need to make sure each new node in the new ring need to have the same token
Hi,
I am running some load test in a 5 node Cassandra cluster (EC2, single
region, each node has 15 GB RAM, Cassandra version 2.0.6, replication
factor 3). My Java program uses Java driver version 2.0.6 and it does 2000
rounds of batch write queries, each with 8 inserts, 8 updates and 8
deletes.
