Re: Rtree index creation very slow
Posted in 2005
Art S. Kagel — — source: Usenet: comp.databases.informix
Jose Luis Matute wrote: > Hi, Check for controller saturation. Art S. Kagel > I'm dealing with a rtree index that takes 75 hrs to get created. The > table has 22M rows, nearly 2Gb data. Creating primary/foreign keys is > reasonabily fast (1 - 1,5 hrs), but creating the rtree index is a > nightmare and won't fit in the 12 hr. window to stop the service (as the > trials ina a development machine shows - reasonabily similar boxes). > I've observed that the disk isn't saturated, nor does memory (buffer > pool/DSS memory). It doesn't parallel (only one CPU used, although PDQ > parameters are set 'correctly'). > > Any hint will be appreciated! > > Thanks in advance.