With current limits, the most bgwriter can do (with 8k pages) is 1000 pages * 100 times/sec = 780MB/s. It's not hard to exceed that with modern hardware. Should we increase the limit on bgwriter_lru_maxpages?
Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
Experts in Analytics, Data Architecture and PostgreSQL
Data in Trouble? Get it in Treble! http://BlueTreble.com
855-TREBLE2 (855-873-2532)

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