Re: Could ANALYZE estimate bloat?

On 09/20/2013 11:59 AM, Josh Berkus wrote:
>
> Hackers,
>
> I've been tinkering with a number of table bloat checks, and it occurred
> to me that the problm is that these are all approximations based on
> overall gross statistics, and as such highly inaccurate.
>
> It seems like would could have ANALYZE, while sampling from the table,
> also check the amount of dead space per page and use that as an estimate
> of the % of dead space overall.  We'd still need something else for
> indexes, but this seems like it would be a good start.
>
> No?

I think this is a great idea.

>


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