Re: capacity of tables

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От marcelo Cortez
Тема Re: capacity of tables
Дата
Msg-id 802538.98815.qm@web32106.mail.mud.yahoo.com
обсуждение исходный текст
Ответ на Re: capacity of tables  (Ron Johnson <ron.l.johnson@cox.net>)
Список pgsql-general
People

In my experience work very well con tables with
172.000.000  of records ( 172 millions).
In fact is not too large number of records for
postgresql.
important aspect of this installation is your .conf
file, take care of this, check old email with config
subject.


Best regards
 mdc


--- Ron Johnson <ron.l.johnson@cox.net> escribió:

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> On 01/24/07 13:06, guillermo arias wrote:
> > Hello, i am Guillermo Arias, from Peru. I have a
> doubt about
> > capacity of tables. I am developing a software for
> accountants,
> > and my principal problem is about the table for
> the vouchers. I
> > have to decide to make a table for each year or
> only one table
> > for all the years.
> >
> > This table has 11 fields: varchar(10) and 2
> fields: numeric
> > (12,2) and is intended to have 900,000 records per
> year x 13
> > years = 11'700,000 records
>
> PostgreSQL will easily handle 12 million rows.
>
> > What can you suggest me? i do not want the system
> to be slow
> > using this table.
>
> Performance (*not* including hardware) is based on:
> 1. Well-written queries.
> 2. How the indexes match the queries.  EXPLAIN
> ANALYZE is your
>    friend!!
> 3. The knowledge that it is expensive to insert
> into/update/delete
>    from an index, so create the indexes you need,
> but don't go
>    crazy.
> 4. Continual monitoring: production usage patterns
> will probably
>    be different from what you expected.  Do not be
> surprised if you
>    have to add or modify indexes "later on".
> 5. Using an up-to-date version of PostgreSQL.
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> TIP 6: explain analyze is your friend
>







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