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From Mohit Anchlia <>
Subject Re: Schema advice: (Single row or multiple row!?) How do I store millions of columns when I need to read a set of around 500 columns at a single read query using column names ?
Date Mon, 23 Jul 2012 17:49:00 GMT
On Mon, Jul 23, 2012 at 10:07 AM, Ertio Lew <> wrote:

> My major concern is that is it too bad retrieving 300-500 rows (each for a
> single column) in a single read query that I should store all these(around
> a hundred million) columns in a single row?

You could create multiple rows and each row with around 1k-2k columns
depending on how big your columns are. I definitely suggest running some
tests? Is this timeseries data or event type data?

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