Re: [HACKERS] Further Hot Standby documentation required

2010-05-03 Thread Simon Riggs
On Mon, 2010-05-03 at 23:28 +0300, Heikki Linnakangas wrote: > Sorry, I just didn't have the time & energy to figure out what to do > about that. Feel free to fix as you see fit. Yeh, I sometimes feel like that towards other hacker's comments as well. -- Simon Riggs www.2ndQuadrant.c

Re: [HACKERS] Further Hot Standby documentation required

2010-05-03 Thread Heikki Linnakangas
Simon Riggs wrote: > On Mon, 2010-05-03 at 10:50 +0100, Simon Riggs wrote: >> On Mon, 2010-05-03 at 12:17 +0300, Heikki Linnakangas wrote: >> > * wal_level doesn't describe what the impacts are on a standby if the > level is changed on the primary, nor is there a caution or a warning of >>>

Re: [HACKERS] Further Hot Standby documentation required

2010-05-03 Thread Simon Riggs
On Mon, 2010-05-03 at 10:50 +0100, Simon Riggs wrote: > On Mon, 2010-05-03 at 12:17 +0300, Heikki Linnakangas wrote: > > > >> * wal_level doesn't describe what the impacts are on a standby if the > > >> level is changed on the primary, nor is there a caution or a warning of > > >> any kind. For ex

Re: [HACKERS] Further Hot Standby documentation required

2010-05-03 Thread Heikki Linnakangas
Simon Riggs wrote: > Doesn't this new behaviour prevent startup-from-a-shutdown-checkpoint? No. * wal_level doesn't explicitly describe that the levels are in sequence and that hot_standby is a superset of archive. >> It does say: >> "The default value is minimal, which writes only the

Re: [HACKERS] Further Hot Standby documentation required

2010-05-03 Thread Simon Riggs
On Mon, 2010-05-03 at 12:17 +0300, Heikki Linnakangas wrote: > >> * wal_level doesn't describe what the impacts are on a standby if the > >> level is changed on the primary, nor is there a caution or a warning of > >> any kind. For example, if a standby is setup with hot_standby = on and > >> the

Re: [HACKERS] Further Hot Standby documentation required

2010-05-03 Thread Heikki Linnakangas
Bruce Momjian wrote: > Simon Riggs wrote: >> * wal_level = 'hot_standby' doesn't mention that the second parameter >> also needs to be set, nor is there a xref. Fixed. >> * wal_level doesn't describe what the impacts are on a standby if the >> level is changed on the primary, nor is there a cauti

Re: [HACKERS] Further Hot Standby documentation required

2010-05-02 Thread Bruce Momjian
Simon Riggs wrote: > > Recent changes to parameters aren't yet sufficiently well documented and > I'd like to see this improved by the authors of those patches. I accept > the behaviour changes, but we need full docs to explain them. > > * hot_standby doesn't mention that wal_level = hot_standby

[HACKERS] Further Hot Standby documentation required

2010-05-02 Thread Simon Riggs
Recent changes to parameters aren't yet sufficiently well documented and I'd like to see this improved by the authors of those patches. I accept the behaviour changes, but we need full docs to explain them. * hot_standby doesn't mention that wal_level = hot_standby is also required, nor is there