I am loading a large set of data into a CF with composite key. The load is
going pretty slow, hundreds or even thousands times slower than it would do in
RDBMS.
I have a choice of how granular my physical key (the first component of the
primary key) is, this way I can balance between smaller rows and too many keys
vs. wide rows and fewer keys. What are the guidelines about this? How the width
of the physical row affects the speed of load?
I see that Cassandra is doing a lot of processing behind the scene, even when I
kill the client, the server is still consuming a lot of CPU for a long time.
What else should I look at ? Anything in configuration?
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