[GENERAL] Moving from 32 to 64 bit builds on Solaris

2007-03-09 Thread Dan Sugalski
I've got an install of Postgres 8.2.3 on a Sun box that's ticking over nicely -- I'm pretty happy with it and how it's performing. It's a 32 bit build, and the machine I'm running it on has a lot of extra memory. I assume I'll have to do a 64 bit build to use more than a few gig of shared buf

Re: [GENERAL] Moving from 32 to 64 bit builds on Solaris

2007-03-09 Thread Tom Lane
Dan Sugalski <[EMAIL PROTECTED]> writes: > I assume I'll have to do a 64 bit build to use more than a few gig of > shared buffers. If I do that, though, am I going to have to do a > database dump and reload, Yes, most likely, because you'll have changed MAXALIGN and therefore the data alignment

Re: [GENERAL] Moving from 32 to 64 bit builds on Solaris

2007-03-10 Thread Dan Sugalski
At 1:01 AM -0500 3/10/07, Tom Lane wrote: Dan Sugalski <[EMAIL PROTECTED]> writes: I assume I'll have to do a 64 bit build to use more than a few gig of shared buffers. If I do that, though, am I going to have to do a database dump and reload, Yes, most likely, because you'll have changed M

Re: [GENERAL] Moving from 32 to 64 bit builds on Solaris

2007-03-10 Thread Martijn van Oosterhout
On Sat, Mar 10, 2007 at 08:30:20AM -0500, Dan Sugalski wrote: > Possibly it won't. The machine the DB is on sees heavy access to > large files, to the point where parts of the database may get flushed > out of the OS buffer cache. I was working on the (possibly deeply > flawed assumption) that I

Re: [GENERAL] Moving from 32 to 64 bit builds on Solaris

2007-03-10 Thread Dan Sugalski
At 7:47 PM +0100 3/10/07, Martijn van Oosterhout wrote: On Sat, Mar 10, 2007 at 08:30:20AM -0500, Dan Sugalski wrote: Possibly it won't. The machine the DB is on sees heavy access to large files, to the point where parts of the database may get flushed out of the OS buffer cache. I was workin