On 05/17/2011 07:45 AM, Andrey Vorobiev wrote:
2011-05-17 18:55:51 NOVST LOG: checkpoint starting: xlog 2011-05-17 18:57:20 NOVST LOG: checkpoint complete: wrote 62861 buffers (24.0%); 0 transaction log file(s) added, 0 removed, 0 recycled; write=89.196 s, sync=0.029 s, total=89.242 s
Increase your checkpoint_segments. If you see "checkpoint starting: xlog" instead of "checkpoint starting: time", you don't have enough checkpoint segments to handle your writes. Checkpoints *will* degrade your throughput.
-- Shaun Thomas OptionsHouse | 141 W. Jackson Blvd. | Suite 800 | Chicago IL, 60604 312-676-8870 sthomas@xxxxxxxxx ______________________________________________ See http://www.peak6.com/email_disclaimer.php for terms and conditions related to this email -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance