import Wikidata json dump (.json.bz2) into Mongodb
-
Index fields:
{ id: 1 },{ sitelinks.enwiki.title: 1 } -
Partial Index for Covered Query:
{ sitelinks.enwiki.title: 1, id: 1 },{ labels.en.value: 1, id: 1 } -
Performance: ~3 hours for importing, ~1 hour for indexing (
--nworker 12,--chunk_size 10000, based on 20180717 dump (25 GB))