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From Kamal Bahadur <>
Subject Re: Max records per node for a given secondary index value
Date Thu, 19 Jan 2012 01:46:19 GMT

On Wed, Jan 18, 2012 at 9:53 AM, Kamal Bahadur <>wrote:

> Hi All,
> It is great to know that Cassandra column family can accommodate 2 billion
> columns per row! I was reading about how Cassandra stores the secondary
> index info internally. I now understand that the index related data are
> stored in hidden CF and each node is responsible to store the keys of data
> that reside on that node only.
> I have been using secondary index for a low cardinality column called
> "product". There can only be 3 possible values for this column. I have a
> four node cluster and process about 5000 records per second with a RF 2.
> My question here is, what happens after the number of columns in hidden
> index CF exceeds 2 billion? How does Cassandra handle this situation? I
> guess, one way to handle this is to add more nodes to the cluster. I am
> interested in knowing if any other solution exist.
> Thanks,
> Kamal

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