Re: [PERFORM] Optimize the database performance

2011-10-17 Thread Cédric Villemain
2011/10/17 Micka : > Hi, > > I've a postgres 9.1 database used for map generating ( tiles ). > The system has 24Go RAM and 5 processors. > I'm using geoserver to generate the tiles. > > My data used 8486 MB  => psql -d gis -c "SELECT > pg_size_pretty(pg_database_size('gis'))" > > I've carefully ind

Re: [PERFORM] Optimize the database performance

2011-10-17 Thread Andy Colson
On 10/17/2011 04:48 AM, Micka wrote: Hi, I've a postgres 9.1 database used for map generating ( tiles ). The system has 24Go RAM and 5 processors. I'm using geoserver to generate the tiles. My data used 8486 MB => psql -d gis -c "SELECT pg_size_pretty(pg_database_size('gis'))" I've carefully

Re: [PERFORM] Optimize the database performance

2011-10-17 Thread MirrorX
hello Micha, i think that noone can tell you much without more information about your system. roughly i would say that you could change the following parameters: shared_buffers = 1024MB -> 6GB work_mem = 256MB -> 30-50 MB effective_cache_size = 5120MB -> 16GB (depends on whether its a dedicated d

[PERFORM] Optimize the database performance

2011-10-17 Thread Micka
Hi, I've a postgres 9.1 database used for map generating ( tiles ). The system has 24Go RAM and 5 processors. I'm using geoserver to generate the tiles. My data used 8486 MB => psql -d gis -c "SELECT pg_size_pretty(pg_database_size('gis'))" I've carefully indexes the table by the "the_geom" col