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From Renato Bacelar da Silveira <>
Subject Column index limitations: total number of indexes per row?
Date Thu, 01 Sep 2011 12:17:01 GMT

Hi All

I have indexed a number of columns in a ROW, ie 25 colums, to perform 
Indexed_slice queries.

If I am not mistaken, there is some limit to the number of indexes one 
may create per row/keyspace?

I am trying to get up to 6000 columns indexed, per row, in 2.5 million rows.

So I will be looking at 6000 x 2.5million indexes. Yep, that's 6,250,000 

Would that be tantamount to an atomic bomb riding full speed out of my 
test server?

I have read the strategies of building Column families as indexes. I 
find it quite helpful,
and a good solution for indexing. But can the above scenario ever be 
achieved? (haven't
had time to try that yet).

Regards to ALL!
Renato da Silveira
Senior Developer

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