Re: How do I know my table is bloated?

I have some tables that I do a lot of updates, deletes and inserts.
So I am worried that my cluster can grow up to a huge size...
The best option would be to create a scheduled process to check if it is
bloated and if so, reindex?

On Thu, May 30, 2013 at 12:17 PM, Igor Neyman <ineyman(at)perceptron(dot)com>wrote:

>
>
> From: Rodrigo Barboza [mailto:rodrigombufrj(at)gmail(dot)com]
> Sent: Thursday, May 30, 2013 11:10 AM
> To: Igor Neyman
> Cc: pgsql-admin(at)postgresql(dot)org
> Subject: Re: [ADMIN] How do I know my table is bloated?
>
> Well, so I need to do reindex frequentely in database? Is that right?
> Or should I use cluster, as David said?
> How frequently should I do this operation?
>
> ---------------------
>
> Not necessarily.
> If there is no table or index bloat, which you should be able to check
> first, - why bother?
>
> Normally autovacuum does pretty good job even with default configuration
> parameters.
> If not, you could start with adjusting autovacuum parameters.
> And reindex only as a last resort, when your index size grows
> "uncontrollably".
>
> Igor Neyman
>