[postgis-tickets] [PostGIS] #5379: ST_Buffer is slow at being interrupted

PostGIS trac at osgeo.org
Thu May 4 08:26:40 PDT 2023


#5379: ST_Buffer is slow at being interrupted
---------------------+--------------------------
 Reporter:  strk     |      Owner:  pramsey
     Type:  defect   |     Status:  new
 Priority:  medium   |  Milestone:  PostGIS GEOS
Component:  postgis  |    Version:  master
 Keywords:           |
---------------------+--------------------------
 As shown by running:
 {{{
 regress/run_test.pl -v regress/core/interrupt_buffer
 }}}

 The buffer code (at least as of GEOS 3.12.0dev-CAPI-1.18.0)
 is slow at being interrupted:

 {{{
 -buffer interrupted on time
 +buffer interrupted late: 00:00:13.774277
 }}}

 The statement_timeout in the test is 100ms, the operation interrupts after
 more than 13 seconds. This is likely to be caused by GEOS itself
-- 
Ticket URL: <https://trac.osgeo.org/postgis/ticket/5379>
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