[postgis-tickets] [PostGIS] #3846: KNN test hangs in PgSQL 11

PostGIS trac at osgeo.org
Wed Sep 13 06:29:07 PDT 2017


#3846: KNN test hangs in PgSQL 11
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 Reporter:  pramsey  |      Owner:  pramsey
     Type:  defect   |     Status:  new
 Priority:  blocker  |  Milestone:  PostGIS 2.5.0
Component:  postgis  |    Version:  trunk
 Keywords:           |
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 I have seen this really badly so far just on one machine, need to confirm
 that it's a v11 problem entirely. Reading the trace it looks like the
 index operator isn't actually calling into the index; the plan is a
 sequence, so the hang is to time it takes to run a KNN without the index,
 which is a long time on a big geograpy data set.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/3846>
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