Re: Index Bloat Problem

On Fri, Aug 10, 2012 at 3:15 PM, Strahinja Kustudić
<strahinjak(at)nordeus(dot)com> wrote:
>
> For example, yesterday when I checked the database size on the production
> server it was 30GB, and the restored dump of that database was only 17GB.
> The most interesting thing is that the data wasn't bloated that much, but
> the indices were. Some of them were a few times bigger than they should be.
> For example an index on the production db is 440MB, while that same index
> after dump/restore is 17MB, and there are many indices with that high
> difference.

Could your pattern of deletions be leaving sparsely populated, but not
completely empty, index pages; which your insertions will then never
reuse because they never again insert values in that key range?

Cheers,

Jeff