The following bug has been logged on the website:
Bug reference: 6378
Logged by: Julian v. Bock
Email address: b...@openit.de
PostgreSQL version: 9.1.2
Operating system: Linux x86_64
Description:
When creating an index on an inet column the postmaster process tries to
allocate much more memory than it should in version 9.1.2.
In my test db (maintenance_work_mem = 1gb; shared_buffers = 256mb) the
CREATE INDEX in the script below runs out of memory after allocating several
GB. Note that this does not happen with version 9.1.1 (only a few hundred MB
are allocated).
-----------
create table iptest ( id serial primary key, ip inet );
insert into iptest ( ip )
( select ( '192.' || a || '.' || b || '.' || c )::inet
from generate_series( 0, 127 ) a,
generate_series( 0, 255 ) b,
generate_series( 0, 255 ) c );
create index iptest_idx_1 on iptest ( ip );
-----------
Regards,
Julian v. Bock
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