psql (PostgreSQL) 9.2.5 Red Hat Enterprise Linux Server release 6.4 (Santiago) Linux 2.6.32-358.6.1.el6.x86_64 #1 SMP Fri Mar 29 16:51:51 EDT 2013 x86_64 x86_64 x86_64 GNU/Linux All relevant filesystems are ext4
Changes from defaults: max_connections = 500 shared_buffers = 32000MB temp_buffers = 24MB work_mem = 1GB maintenance_work_mem = 5GB wal_level = archive wal_buffers = 16MB checkpoint_completion_target = 0.9 archive_mode = on archive_command = 'test ! -f /databases/pg_archive/db/%f && cp %p /databases/pg_archive/db/%f' effective_cache_size = 64000MB default_statistics_target = 5000 log_checkpoints = on stats_temp_directory = '/tmp/pgstat' On Thu, Dec 5, 2013 at 9:06 AM, desmodemone <desmodem...@gmail.com> wrote: > Hello, > could you please post the postgresql version, the > postgresql.conf, the operative system used, the kernel version and the > filesystem used ? > > Thank you > > > 2013/12/5 Skarsol <skar...@gmail.com> > >> I'm trying to increase the speed of inserts in a database that is on a >> not super fast storage system. I have installed a pair of SSDs and placed >> pg_xlog on them but am still getting inserts that take up to a second to >> complete, with .3 seconds being about average. Iostat doesn't show the SSDs >> stressed at all, and changing synchronous_commit doesn't seem to affect it >> one way or the other. Where would I look next for what could be causing the >> delay? >> > >
