* David G. Johnston: > On Sunday, March 22, 2015, Florian Weimer <f...@deneb.enyo.de> wrote: > >> * David G. Johnston: >> >> > "enables or disables data durability promise of ACID." ? >> >> “fsync = on” only works if the storage stack doesn't do funny things. >> Depending on the system, it might not be sufficient. >> > > Allows for (underlying storage not withstanding) or disables, then.
Maybe. > But that distinction is present no matter what so from the standpoint the > alternative is no worse and at least tells the user that a key promise of > RDBMS is being voluntarily waived if they disable this setting. I don't think this will matter in the end. The existing postgresql.conf template does not suggest at all that fsync=off makes things go substantially faster. Administrators obviously get the idea from somewhere else, and they will continue to follow that advice no matter what the configuration template says. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers