[OSM-dev] Patch to osm2pgsql for faster updates

Lennard ldp at xs4all.nl
Sun Jan 23 17:13:56 GMT 2011

On 23-1-2011 17:44, Tom Hughes wrote:
> On 23/01/11 16:24, Erik Burrows wrote:
>> I was having great difficulty with applying the daily diffs to my
>> PostgreSQL database (8.4 and 9.0). I would get good performance right
> I wonder if in fact this is the performance problem that we saw using an
> 8.4 database. The general consensus was that it was somehow related to
> the GIN indexes but we never managed to work out exactly what it was.

Erik mentions encountering the same issue in 9.0. So either 
fastupdate=on is more intelligent in 9.0, or we're not on the right 
track to solve our 8.4 slowdown troubles.


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