Re: Large index operation crashes postgres

Frans Hals <fhals7@googlemail.com> writes:
> Whenever I try to add the follwing index to the table "placex", one of
> the postmaster processes dies and the server restarts.

Can you provide a stack trace from the crash?

> I try:
> CREATE INDEX idx_placex_sector ON placex USING btree
> (geometry_sector(geometry), rank_address, osm_type, osm_id);

> The table counts around 50.000.000 rows.
> The first 20.000.000 are indexed in 20-30 minutes. Nice!
> Then indexing becomes slow and slower, first taking 100.000 rows in
> ten minutes while further consequently decreasing speed.
> When the job reaches something around row 25.000.000 postgres goes down:

On what exactly do you base these statements about number of rows
processed?  CREATE INDEX doesn't provide any such feedback that I'm
aware of.

            regards, tom lane