On Fri, Mar 18, 2011 at 2:15 PM, Jim Nasby <j...@nasby.net> wrote: > +1 > > To take the opposite approach... has anyone looked at having the OS just > manage all caching for us? Something like MMAPed shared buffers? Even if we > find the issue with large shared buffers, we still can't dedicate serious > amounts of memory to them because of work_mem issues. Granted, that's > something else on the TODO list, but it really seems like we're re-inventing > the wheels that the OS has already created here...
The problem is that the OS doesn't offer any mechanism that would allow us to obey the WAL-before-data rule. -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
