Res: Archive files growth!!!

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De: Craig Ringer <craig@postnewspapers.com.au>
Para: paulo matadr <saddoness@yahoo.com.br>
Cc: GENERAL <pgsql-general@postgresql.org>
Enviadas: Quinta-feira, 20 de Novembro de 2008 8:09:19
Assunto: Re: Res: Res: Res: [GENERAL] Archive files growth!!!

paulo matadr wrote:

> teste=# \d cliente_fone
>                          Table "cadastro.cliente_fone"
>          Column        |            Type            |      Modifiers        ------------------------+---------------- -------------+------------------------
>  cfon_id                    | integer                            | not null
>  clie_id                    | integer                            | not null
>  cfon_cdddd            | character(2)                  |  cfon_nnfone            | character varying(9)      |  cfon_nnfoneramal    | character varying(4)      |  cfon_icfonepadrao  | smallint                          |  fnet_id                    | integer                            | not null
>  cfon_tmultimaalteracao | timestamp without time zone | not null default now()
>  cfon_nmcontato        | character varying(50)      | Indexes:
>    "cliente_fone_pkey" PRIMARY KEY, btree (cfon_id)
> Foreign-key constraints:
>    "cliente_fone_clie_id_fkey" FOREIGN KEY (clie_id) REFERENCES cliente(clie_id) ON UPDATE RESTRICT ON DELETE RESTRICT
>    "cliente_fone_fnet_id_fkey" FOREIGN KEY (fnet_id) REFERENCES fone_tipo(fnet_id) ON UPDATE RESTRICT ON DELETE RESTRICT

I don't see anything there that would account for the growth either. However, I forgot to check one thing with you when I asked for the table sizes: Do you have any associated toast table, and if so how big is that?

You can find out with a query like:

select oid, relname, reltype, reltuples, relpages, relpages*8 AS size_kb
from pg_class where relname = 'TABLENAME'
  OR oid = (SELECT reltoastrelid FROM pg_class
            WHERE relname = 'TABLENAME');


It's quite possible that your table, including associated TOAST data, is actually much bigger than you think it is.

--
Craig Ringer

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