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From Ryan Rawson <ryano...@gmail.com>
Subject Re: scanner on a given column: whole table scan or just the rows that have values
Date Wed, 10 Jun 2009 02:35:31 GMT
Without the use of indexes, there is no easy way to get the info without
touching every row.

So yes you'll be scanning every row.  But hbase has good bulk scan perf.

On Jun 9, 2009 7:24 PM, "Ric Wang" <wqt.work@gmail.com> wrote:

How does the scanner know how to get ONLY the "relevant" rows, without a
whole table scan?

Thanks!
Ric

On Tue, Jun 9, 2009 at 4:31 PM, Naveen Koorakula <naveenk@gmail.com> wrote:
> The scanner only s...
--

Ric Wang wqt.work@gmail.com

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