Re: COPY TO and VACUUM

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Roberto Grandi <roberto.grandi@xxxxxxxxxxxxxx> wrote:

> I'm running Postgres 8.4 on Ubuntu 10.4 Linux server (64bit)
> I have a big table tath contains product information: during the
> day we perform a process that import new product continously with
> statemtn COPY TO .. from files to this table.
>
> As result the table disk space is growing fast, it seems that
> postgres is not able to free space for old rows.

COPY TO would not free any space.  Is there some other activity you
haven't yet mentioned?

> Is it possible to run a specific autovacuum acivity or say to
> postgres "every time I delete a row, delete it immedialty and
> don't take care of other transactions" ?

You can configure autovacuum to be more aggressive, or you could
run VACUUM statements.

> Do you have any suggestion for me?

8.4 is getting pretty old; there have been a lot of autovacuum
improvements in recent years.

--
Kevin Grittner
EDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


-- 
Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-performance





[Postgresql General]     [Postgresql PHP]     [PHP Users]     [PHP Home]     [PHP on Windows]     [Kernel Newbies]     [PHP Classes]     [PHP Books]     [PHP Databases]     [Yosemite]

  Powered by Linux