Wednesday, March 23, 2011, 1:51:31 PM you wrote: [rearranged for quoting] > background writer stats > checkpoints_timed | checkpoints_req | buffers_checkpoint | buffers_clean | > maxwritten_clean | buffers_backend | buffers_alloc > -------------------+-----------------+--------------------+---------------+------------------+-----------------+--------------- > 3 | 0 | 99754 | 0 > | 0 | 115307 | 246173 > (1 row) buffers_clean = 0 ?! > But I don't understand how postgres is unable to fetch a free buffer. > Does any body have an idea? Somehow looks like the bgwriter is completely disabled. How are the relevant settings in your postgresql.conf? -- Jochen Erwied | home: jochen@xxxxxxxxx +49-208-38800-18, FAX: -19 Sauerbruchstr. 17 | work: joe@xxxxxxxxxxxxxxx +49-2151-7294-24, FAX: -50 D-45470 Muelheim | mobile: jochen.erwied@xxxxxxxxxxx +49-173-5404164 -- Sent via pgsql-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance
