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From Stack <st...@duboce.net>
Subject Re: table scan against live data
Date Wed, 26 Jan 2011 21:37:09 GMT
On Wed, Jan 26, 2011 at 11:13 AM, N Kapshoo <nkapshoo@gmail.com> wrote:
> Hi,
>
> I have 2 region servers in production that I want to gather some stats
> against. I want to run a table scan and count a few things (basic
> reporting stuff). Is it a bad idea to run such a scan on a production
> environment? Is there something I can do to mitigate the risk?
>

A Scan is pretty light-weight operation.  Scan how all data access is
done (A Get is actually a Scan when you go deep).  If a Scan knocks
over your cluster, then something is way off indeed.


St.Ack

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