[PostGIS] #5798: Out of memory: Killed process

[PostGIS]

#5798: Out of memory: Killed process
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  Reporter:  Lars Aksel Opsahl  |      Owner:  strk
      Type:  defect             |     Status:  new
  Priority:  medium             |  Milestone:  PostGIS 3.5.1
 Component:  topology           |    Version:  3.4.x
Resolution:                     |   Keywords:
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Comment (by strk):

 If I understand the message correctly PostgreSQL autovacuum process is
 unable to allocate new memory for the TopTransactionContext memory pool.
 This isn't necessarely due to a leak, it could also "just" be higher
 memory consumption. To find a leak you should run a single process and see
 if the memory of that process keeps raising.
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5798#comment:7>
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