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I am trying to get the number of rows in a very large table, it has around 100k rows. I used:

nodetool cfstats

And here is the result:

Number of keys (estimate): 30

Why is the estimate so wrong?

Thanks.

Ioana Marcu
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    not enough info here, need schema, version, what values you are changing. number of keys represents number of 'partitions' not cql rows. – Chris Lohfink Feb 02 '16 at 16:26

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