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From Jonathan Ellis <>
Subject Re: Recommended way to do parallel reads of a large column slice?
Date Mon, 01 Feb 2010 23:00:28 GMT
No.  Why do you want to do multiple parallel reads instead of one
sequential read?

On Mon, Feb 1, 2010 at 4:45 PM, Cagatay Kavukcuoglu
<> wrote:
> Hi,
> What's the recommended way to do parallel reads of a large slice of
> columns when one doesn't know enough about the column names to divide
> them for parallel reading in a meaningful way? SliceRange allows
> setting the start and finish column names, but you wouldn't be able to
> set the start field of the next read until the previous read
> completed. An offset field for the SliceRange would have worked, but I
> don't see it. Is there a way to divide the big read query into
> multiple *parallel* small read queries without requiring advance
> knowledge of the column names?
> CK.

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