Hello, I'm processing  a 100Million row table.
I get error message about memory and I'ld like to know what can cause this 
issue.

...
psql:/home/ubuntu/create_topo.sql:12: NOTICE:  104855000 edges processed
psql:/home/ubuntu/create_topo.sql:12: NOTICE:  104856000 edges processed
psql:/home/ubuntu/create_topo.sql:12: NOTICE:  104857000 edges processed
psql:/home/ubuntu/create_topo.sql:12: NOTICE:  invalid memory alloc request 
size 1677721600
psql:/home/ubuntu/create_topo.sql:12: NOTICE:  UPDATE public.way_noded SET 
source = 88374866,target = 88362922 WHERE id =  142645362
 pgr_createtopology 
--------------------
 FAIL
(1 row)

The server  has a 10Gb of shared_buffer.
Do you thing this quantity of memory allowed should normaly be enough to 
process the data?

Thanks
Marc


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