Everything in Cassandra is an insert. So, an update and an insert are
functionally equivalent. An update doesn't go update the existing data on disk;
it is a new write of the columns involved. So, the difference in your scenario
is that with the "targeted" update, you are writing less of the
+1 for removing complexity to be able to create (and maintain!) “reasoned”
systems!
Sean Durity – Staff Systems Engineer, Cassandra
From: Reid Pinchback
Sent: Thursday, October 24, 2019 10:28 AM
To: user@cassandra.apache.org
Subject: [EXTERNAL] Re: Cassandra Rack - Datacenter Load Balancing
Hi folks,
I'm working on a clean-up task for some bad data in a cassandra db.
The bad data in this case are values with mixed case that will need to
be lowercased. In some tables the value that needs to be changed is a
primary key, in other cases it is not.
>From the reading I've done, the
