On Tue, 19 Feb 2008, JP Fletcher wrote:
Shared buffers are set to 50000, bgwriter settings are as follows:
bgwriter_delay = 50 # 10-10000 milliseconds between
rounds
bgwriter_lru_percent = 20.0 # 0-100% of LRU buffers scanned/round
bgwriter_lru_maxpages = 300 # 0-1000 buffers max written/round
bgwriter_all_percent = 5 # 0-100% of all buffers scanned/round
bgwriter_all_maxpages = 600 # 0-1000 buffers max written/round
Not that it impacts what you're asking about, but that's probably an
excessive setting for bgwriter_lru_percent. With the reduced delay and
scanning that much, you're burning a lot of CPU time doing that for little
benefit.
--
* Greg Smith gsmith@xxxxxxxxxxxxx http://www.gregsmith.com Baltimore, MD
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