On Mon, 2008-03-17 at 20:28 +0000, Dave Stubbs wrote: > On Mon, Mar 17, 2008 at 8:00 PM, Steve Hill <[EMAIL PROTECTED]> wrote: > > Dave Stubbs wrote: > > > > > it's faster to just let it use swap, > > > > I I/O load hits my server pretty hard. Trying to do anything else while > > that's happening is quite painful. :-/ > > > > Doing it without the heavy I/O load is preferable, even if it takes a > > couple of days - it can just trundle away in the background. > > > > Yeah, but the postgres middle option just puts the nodes in a postgres > table and then does selects to find them. If you don't have the RAM to > cache the DB table you probably will have a similar i/o load just over > a longer period...
That is correct. When the --slim option was working the entire import was IO bound and took several times longer than the RAM approach. You could try "ionice" but I don't think that helps control swap IO. Jon _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/talk