On Fri, Jun 09, 2017 at 03:24:15PM +0200, Andreas Kretschmer wrote: > > > Am 09.06.2017 um 15:04 schrieb Frits Jalvingh: > >Hi all, > > > >I am trying to improve the runtime of a big data warehouse > >application. One significant bottleneck found was insert > >performance, so I am investigating ways of getting Postgresql to > >insert data faster. > > * use COPY instead of Insert, it is much faster > * bundle all Insert into one transaction > * use a separate disk/spindel for the transaction log > > > > > > >I already changed the following config parameters: > >work_mem 512MB > >synchronous_commit off > >shared_buffers 512mb > >commit_delay 100000 > >autovacuum_naptime 10min > > > >Postgres version is 9.6.3 on Ubuntu 17.04 64 bit, on a i7-4790K > >with 16GB memory and an Intel 750 SSD. JDBC driver is > >postgresql-42.1.1. > > > > increase shared_buffers, with 16gb ram i would suggest 8gb
+1 Without even checking, I think Oracle is configured to use a LOT more memory than 512mb. Regards, Ken -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
