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From jeremy p <athomewithagroove...@gmail.com>
Subject Re: How to do a fast range scan on a prefix
Date Fri, 05 Jun 2015 18:27:03 GMT
I've heard that PrefixFilter does a full table scan, and that a range scan
is faster.  Am I mistaken?

On Fri, Jun 5, 2015 at 2:22 PM, Ted Yu <yuzhihong@gmail.com> wrote:

> You can utilize PrefixFilter.
>
> See example in http://hbase.apache.org/book.html#scan
>
> On Fri, Jun 5, 2015 at 11:18 AM, jeremy p <athomewithagroovebox@gmail.com>
> wrote:
>
> > Assume that my keys look like this :
> > bar:0
> > bar:1
> > bar:2
> > baz:0
> > baz:1
> > foo:0
> > foo:1
> > foo:2
> >
> > How do I do a fast range scan that returns all the rows that begin with
> > "baz:"?  Assume that I know nothing about any of the other rows in the
> > table.
> >
> > Thanks for taking a look!
> >
> > --Jeremy
> >
>

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