[postgis-users] St_Union crashing

[David Rowley]

On Thu, Aug 1, 2013 at 6:47 AM, Bborie Park <dustymugs at gmail.com> wrote:

> David,
>
> How much RAM does the server have? How many records are there in the "demelevation"
> table?
>
> -bborie
>
>
I'm testing on my laptop which has 8GB of RAM.

test=# select count(*) from demelevation;
 count
--------
 375440
(1 row)

test=# show work_mem;
 work_mem
----------
 16MB
(1 row)


test=# show shared_buffers;
 shared_buffers
----------------
 128MB
(1 row)




>
> On Wed, Jul 31, 2013 at 11:43 AM, David Rowley <dgrowleyml at gmail.com>wrote:
>
>> I'm experiencing a crash with PostgreSQL 9.2 on windows 64 bit.
>>
>> psql 1060 idle 2013-08-01 06:34:21 NZST 0 LOG:  statement: select
>> st_union(rast) from demelevation limit 1;
>>  4124  2013-08-01 06:35:07 NZST 0 LOG:  server process (PID 1060) was
>> terminated by exception 0xC0000005
>>  4124  2013-08-01 06:35:07 NZST 0 DETAIL:  Failed process was running:
>> select st_union(rast) from demelevation limit 1;
>>  4124  2013-08-01 06:35:07 NZST 0 HINT:  See C include file "ntstatus.h"
>> for a description of the hexadecimal value.
>>  4124  2013-08-01 06:35:07 NZST 0 LOG:  terminating any other active
>> server processes
>>  3612  2013-08-01 06:35:07 NZST 0 WARNING:  terminating connection
>> because of crash of another server process
>>  3612  2013-08-01 06:35:07 NZST 0 DETAIL:  The postmaster has commanded
>> this server process to roll back the current transaction and exit, because
>> another server process exited abnormally and possibly corrupted shared
>> memory.
>>  3612  2013-08-01 06:35:07 NZST 0 HINT:  In a moment you should be able
>> to reconnect to the database and repeat your command.
>>  4124  2013-08-01 06:35:07 NZST 0 LOG:  all server processes terminated;
>> reinitializing
>>
>>
>> test=# select version();
>>                            version
>> -------------------------------------------------------------
>>  PostgreSQL 9.2.4, compiled by Visual C++ build 1600, 64-bit
>>
>> test=# select postgis_version();
>>             postgis_version
>> ---------------------------------------
>>  2.0 USE_GEOS=1 USE_PROJ=1 USE_STATS=1
>>
>> I can supply a full recreation script if required. In the meantime here
>> is the table definition of demelevation
>>
>>
>>                            Table "public.demelevation"
>>   Column  |  Type   |                         Modifiers
>>
>> ----------+---------+------------------------------------------------------------
>>  rid      | integer | not null default
>> nextval('demelevation_rid_seq'::regclass)
>>  rast     | raster  |
>>  filename | text    |
>> Indexes:
>>     "demelevation_pkey" PRIMARY KEY, btree (rid)
>>     "demelevation_rast_gist" gist (st_convexhull(rast))
>> Check constraints:
>>     "enforce_height_rast" CHECK (st_height(rast) = 16)
>>     "enforce_max_extent_rast" CHECK (st_coveredby(st_convexhull(rast),
>> '0103000020E6100000010000000C00000063C92F96FCDF64400E74DA40A70148C063C92F96FCBF64400E74DA4
>>
>> 0A78147C063C92F96FCBF64408C25BF58F27F46C063C92F96FC7F65408C25BF58F2FF40C0039D36D069C065408C25BF58F2FF40C0039D36D0690066408C25BF58F27F41C0039D36D0696066408C25BF58
>>
>> F27F42C0039D36D0696066400E74DA40A70144C0039D36D0692066400E74DA40A70145C0039D36D0696065400E74DA40A78147C0039D36D0692065400E74DA40A70148C063C92F96FCDF64400E74DA40A
>> 70148C0'::geometry))
>>     "enforce_nodata_values_rast" CHECK
>> (_raster_constraint_nodata_values(rast)::numeric(16,10)[] =
>> '{-32768}'::numeric(16,10)[])
>>     "enforce_num_bands_rast" CHECK (st_numbands(rast) = 1)
>>     "enforce_out_db_rast" CHECK (_raster_constraint_out_db(rast) =
>> '{f}'::boolean[])
>>     "enforce_pixel_types_rast" CHECK
>> (_raster_constraint_pixel_types(rast) = '{16BSI}'::text[])
>>     "enforce_same_alignment_rast" CHECK (st_samealignment(rast,
>> '01000000004F1BE8B4814E4B3F4F1BE8B4814E4BBF63C92F96FC7F65408C25BF58F2FF40C00000000000000000000000
>> 0000000000E610000001000100'::raster))
>>     "enforce_scalex_rast" CHECK (st_scalex(rast)::numeric(16,10) =
>> 0.000833333333333333::numeric(16,10))
>>     "enforce_scaley_rast" CHECK (st_scaley(rast)::numeric(16,10) =
>> (-0.000833333333333333)::numeric(16,10))
>>     "enforce_srid_rast" CHECK (st_srid(rast) = 4326)
>>     "enforce_width_rast" CHECK (st_width(rast) = 16)
>>
>> Regards
>>
>> David
>>
>>
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>>
>>
>
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