Quoting Ron Johnson <[EMAIL PROTECTED]>: > On Fri, 2003-10-03 at 14:37, Network Administrator wrote: > > Quoting Ron Johnson <[EMAIL PROTECTED]>: > > > > > On Fri, 2003-10-03 at 13:32, Network Administrator wrote: > > > > Quoting Richard Huxton <[EMAIL PROTECTED]>: > > > > > > > > > On Thursday 02 October 2003 19:55, Network Administrator wrote: > > > > > > Quoting Richard Huxton <[EMAIL PROTECTED]>: > > > > > > > [stuff deleted] > > > [snip] > > > > The other thing is that I suspect there might be some confusion as to > the > > > > difference between "hot backups" (dump of data does not require DB to > be > > > "down") > > > > and "online backups" (dump of data is not needed because on the disk > state > > > of > > > > the DB is current to some "recent" time). To be perfectly honest, > I've > > > only had > > > > > > Huh? This is the 1st time that I've ever seen mention that there > > > is a distinction between "hot" and "on-line" backup. > [snip garbage] > > > > I might be splitting hairs but I have had this conversation elsewhere. It > was > > quiet awhile ago and I might not be using the right term for "online". > Using > > my terminalogy though, doing a "hot backup" gives you data current to the > time > > of that backup. Doing an "online backup" would give you data current to > the > > last time everthing was sync'd to disk. > > What the heck kind of DBMS doesn't make sure that the on-disk data > is current? In PG, that's "fsync=on", and turning it off is always > strongly discouraged. > > -- > ----------------------------------------------------------------- > Ron Johnson, Jr. [EMAIL PROTECTED] > Jefferson, LA USA > > "Whatever may be the moral ambiguities of the so-called demoratic > nations and however serious may be their failure to conform > perfectly to their democratic ideals, it is sheer moral > perversity to equate the inconsistencies of a democratic > civilization with the brutalities which modern tyrannical states > practice." > Reinhold Nieburhr, ca. 1940 > > > ---------------------------(end of broadcast)--------------------------- > TIP 7: don't forget to increase your free space map settings >
Well, like I said this was years ago at this point so you really can't compare now to then. I lived through that so I don't equate the terms. As for "strongly discouraged", the docs don't read that way. The implications of both fsync being "true" or "false". Either way, its academic now. -- Keith C. Perry Director of Networks & Applications VCSN, Inc. http://vcsn.com ____________________________________ This email account is being host by: VCSN, Inc : http://vcsn.com ---------------------------(end of broadcast)--------------------------- TIP 1: subscribe and unsubscribe commands go to [EMAIL PROTECTED]
