Re: Postgres query completion status?

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

 



 

> -----Mensaje original-----
> De: Richard Neill
> 
> Fernando Hevia wrote:
> >  
> > 
> >> -----Mensaje original-----
> >> De: Richard Neill
> >>
> >>
> >> max_connections = 500                   # (change requires restart)
> >> work_mem = 256MB                                # min 64kB
> > 
> > Not that it has to do with your current problem but this 
> combination 
> > could bog your server if enough clients run sorted queries 
> simultaneously.
> > You probably should back on work_mem at least an order of magnitude.
> > 
> 
> What's the correct way to configure this?
> 
> * We have one client which needs to run really big 
> transactions (therefore needs the work memory).
> 
> * We also have about 200 clients which run always very small, 
> short queries.
> 
> Richard
> 

Set the default value at postgresql.conf much lower, probably 4MB.
And just before running any big transaction raise it for 
the current session only issuing a:
  set work_mem = '256MB';

Regards,
Fernando.


-- 
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