On Tue, 2007-10-09 at 11:28 +0200, Jan Poslusny wrote: > pg 8.2.4 on Fedora Core 6 x86-64, mostly default postgres.conf just > shared memory buffers increased to 256M. 1GB RAM. > I attempt to insert ~200k rows into table in one transaction from psql > console, calling stored function of plperlu language, which inserts row > by row via spi_exec_prepared. If table contains some foreign key > (id_parent int4 not null references this_table(id) on delete cascade), > memory allocated for processing child process grows and grows (roughly, > 1GB for first 100k rows is consumed) and is not released neither after > successful end of transaction nor after Ctrl-C. > If table does not contain that foreign key, consumed memory does not > grow in this way - all is O.K. > I do not know if I am missing something or if it is necessary or if it > is memory leak. If somebody will be interesting, I can provide my > postgres.conf and I can write script isolating and demonstrating this > phenomena.
It's a known side effect of the way FKs work currently. -- Simon Riggs 2ndQuadrant http://www.2ndQuadrant.com ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster
