<div class="gmail_quote">On Thu, Aug 1, 2013 at 7:00 AM, Bborie Park <span dir="ltr"><<a href="mailto:dustymugs@gmail.com" target="_blank">dustymugs@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">Are you using the latest version of PostGIS 2.0? What's the minor version?<div><br></div><div>SELECT postgis_full_version()</div><div><br></div></div></blockquote><div><br>Full version is:<br><br> POSTGIS="2.0.3 r11132" GEOS="3.3.8-CAPI-1.7.8" PROJ="Rel. 4.8.0, 6 March 2012" GDAL="GDAL 1.9.2, released 2012/10/08" LIBXML="2.7.8" LIBJSON="UNKNOWN" TOPOLOGY<br>
(topology procs from "2.0.1 r9979" need upgrade) RASTER<br><br><br>Regards <br><br>David<br> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">
<div></div><div>The exception <span style="font-family:arial,sans-serif;font-size:13px">0xC0000005 is indicative of a memory access error. The memory required for the query isn't crazy ( ~ 200 MB).</span></div><div class="im">
<div><br></div><div><span style="font-family:arial,sans-serif;font-size:13px">select st_union(rast) from demelevation limit 1;</span></div><div><span style="font-family:arial,sans-serif;font-size:13px"><br></span></div></div>
<span class="HOEnZb"><font color="#888888"><div>
-bborie</div></font></span></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><br><div class="gmail_quote">On Wed, Jul 31, 2013 at 11:53 AM, David Rowley <span dir="ltr"><<a href="mailto:dgrowleyml@gmail.com" target="_blank">dgrowleyml@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><br><div class="gmail_quote"><div>On Thu, Aug 1, 2013 at 6:47 AM, Bborie Park <span dir="ltr"><<a href="mailto:dustymugs@gmail.com" target="_blank">dustymugs@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div dir="ltr">David,<div><br></div><div>How much RAM does the server have? How many records are there in the "<span style="font-family:arial,sans-serif;font-size:13px">demelevation" table?</span></div><div><br>
</div>
<div>-bborie</div></div><div class="gmail_extra"><br></div></blockquote></div><div><br>I'm testing on my laptop which has 8GB of RAM.<br><br>test=# select count(*) from demelevation;<br> count<br>--------<br> 375440<br>
(1 row)<br>
<br>test=# show work_mem;<br> work_mem<br>----------<br> 16MB<br>(1 row)<br><br><br>test=# show shared_buffers;<br> shared_buffers<br>----------------<br> 128MB<br>(1 row)<br><br><br> </div><div><div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="gmail_extra"><br><div class="gmail_quote"><div><div>On Wed, Jul 31, 2013 at 11:43 AM, David Rowley <span dir="ltr"><<a href="mailto:dgrowleyml@gmail.com" target="_blank">dgrowleyml@gmail.com</a>></span> wrote:<br>
</div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div>I'm experiencing a crash with PostgreSQL 9.2 on windows 64 bit.<br><br>psql 1060 idle 2013-08-01 06:34:21 NZST 0 LOG: statement: select st_union(rast) from demelevation limit 1;<br>
4124 2013-08-01 06:35:07 NZST 0 LOG: server process (PID 1060) was terminated by exception 0xC0000005<br>
4124 2013-08-01 06:35:07 NZST 0 DETAIL: Failed process was running: select st_union(rast) from demelevation limit 1;<br> 4124 2013-08-01 06:35:07 NZST 0 HINT: See C include file "ntstatus.h" for a description of the hexadecimal value.<br>
4124 2013-08-01 06:35:07 NZST 0 LOG: terminating any other active server processes<br> 3612 2013-08-01 06:35:07 NZST 0 WARNING: terminating connection because of crash of another server process<br> 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.<br>
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.<br> 4124 2013-08-01 06:35:07 NZST 0 LOG: all server processes terminated; reinitializing<br>
<br>
<br>test=# select version();<br> version<br>-------------------------------------------------------------<br> PostgreSQL 9.2.4, compiled by Visual C++ build 1600, 64-bit<br><br>test=# select postgis_version();<br>
postgis_version<br>---------------------------------------<br> 2.0 USE_GEOS=1 USE_PROJ=1 USE_STATS=1<br><br>I can supply a full recreation script if required. In the meantime here is the table definition of demelevation<br>
<br><br> Table "public.demelevation"<br> Column | Type | Modifiers<br>----------+---------+------------------------------------------------------------<br>
rid | integer | not null default nextval('demelevation_rid_seq'::regclass)<br>
rast | raster |<br> filename | text |<br>Indexes:<br> "demelevation_pkey" PRIMARY KEY, btree (rid)<br> "demelevation_rast_gist" gist (st_convexhull(rast))<br>Check constraints:<br> "enforce_height_rast" CHECK (st_height(rast) = 16)<br>
"enforce_max_extent_rast" CHECK (st_coveredby(st_convexhull(rast), '0103000020E6100000010000000C00000063C92F96FCDF64400E74DA40A70148C063C92F96FCBF64400E74DA4<br>0A78147C063C92F96FCBF64408C25BF58F27F46C063C92F96FC7F65408C25BF58F2FF40C0039D36D069C065408C25BF58F2FF40C0039D36D0690066408C25BF58F27F41C0039D36D0696066408C25BF58<br>
F27F42C0039D36D0696066400E74DA40A70144C0039D36D0692066400E74DA40A70145C0039D36D0696065400E74DA40A78147C0039D36D0692065400E74DA40A70148C063C92F96FCDF64400E74DA40A<br>70148C0'::geometry))<br> "enforce_nodata_values_rast" CHECK (_raster_constraint_nodata_values(rast)::numeric(16,10)[] = '{-32768}'::numeric(16,10)[])<br>
"enforce_num_bands_rast" CHECK (st_numbands(rast) = 1)<br> "enforce_out_db_rast" CHECK (_raster_constraint_out_db(rast) = '{f}'::boolean[])<br> "enforce_pixel_types_rast" CHECK (_raster_constraint_pixel_types(rast) = '{16BSI}'::text[])<br>
"enforce_same_alignment_rast" CHECK (st_samealignment(rast, '01000000004F1BE8B4814E4B3F4F1BE8B4814E4BBF63C92F96FC7F65408C25BF58F2FF40C00000000000000000000000<br>0000000000E610000001000100'::raster))<br>
"enforce_scalex_rast" CHECK (st_scalex(rast)::numeric(16,10) = 0.000833333333333333::numeric(16,10))<br> "enforce_scaley_rast" CHECK (st_scaley(rast)::numeric(16,10) = (-0.000833333333333333)::numeric(16,10))<br>
"enforce_srid_rast" CHECK (st_srid(rast) = 4326)<br> "enforce_width_rast" CHECK (st_width(rast) = 16)<br><br>Regards<span><font color="#888888"><br><br>David<br><br>
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