Re: Strange Create Index behaviour

Tom Lane wrote:
> shared_buffers is unlikely to impact index build time noticeably in
> recent PG releases.  maintenance_work_mem would affect it a lot, though.
> What setting were you using for that?
> 

Also, i tried upping maintenance_work_mem to 65536 and it didn't make 
much difference (maybe 10% faster for the "normal" cases). Upping the 
shared_buffers *definitely* makes the bad cases worse though, but I 
agree I don't see why...

Regards,
Gary.