> Suggestion #1 is to turn off any write caching on the RAID controller. Using > LSI MegaRAID we went from 3k to 5k tps to 18k just turning off write caching. > Basically it just got in the way.
Write caching is disabled because I removed the expansion card of the RAID controller. It didn’t let the server boot properly with SSDs mounted. Thank you for the suggestion Pietro Pugni -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance