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ruhri avatar ruhri commented on August 31, 2024

Bezogen auf obigen Eintrag habe ich die Änderung 7f82ac2 testweise rückgängig gemacht. Ergebnis: sehr großer zeitlicher Gewinn beim Postprocessing!

Mülheim a.d Ruhr, Duisburg, Oberhausen, Bottrop (zus. 33 GB): 299 min. (anstatt 482min.)
reines Postprocessing-Zeiten (ohne og2ogr, welcher jew. 62 min. beansprucht): 237min. (anstatt 420 min.)

--> das ist fast ein Halbierung der Postprocessing -Zeit aufgrund der o.g. 3 Zeilen SQL-Code in alkis-ableitungsregeln.sql! Sicherlich hängt das auch von der Datenmenge, der Hardware und der DB-Konfiguration ab...
Ich bitte eine Rückänderung des Codes abzuwägen.

Näher Infos zu obigen Testadaten, die Anzahl der Objekte ist sicherlich aussagekräftiger als die NAS-Datenmenge:

ALKIS-Modellart | #Objekte
-----------------+----------
DLKM | 2001479
NWABK | 1659923
DKKM500 | 1097529
DKKM1000 | 951847
NWDKOM | 596357
NWDKOMK | 451485
NWABKK5 | 68275

from alkisimport.

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