Hi Tom, Thank you for the analyzes!
No problem, there is no problem to use "select wm_nfsp.*" but as my concern is to prevent this in the future I think I should apply the fix or is there a config parameter to abend the backend if it reaches some kind of storage limit? Thank you! Reimer On Tue, Nov 13, 2012 at 5:51 PM, Tom Lane <t...@sss.pgh.pa.us> wrote: > Carlos Henrique Reimer <carlos.rei...@opendb.com.br> writes: > > That is what I got from gdb: > > > ExecutorState: 11586756656 total in 1391 blocks; 4938408 free (6 > > chunks); 11581818248 used > > So, query-lifespan memory leak. After poking at this for a bit, I think > the problem has nothing to do with joins; more likely it's because you > are returning a composite column: > > select wm_nfsp from "5611_isarq".wm_nfsp ... > > I found out that record_out() leaks sizable amounts of memory, which > won't be recovered till end of query. You could work around that by > returning "select wm_nfsp.*" instead, but if you really want the result > in composite-column notation, I'd suggest applying this patch: > > http://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=c027d84c81d5e07e58cd25ea38805d6f1ae4dfcd > > regards, tom lane > -- Reimer 47-3347-1724 47-9183-0547 msn: carlos.rei...@opendb.com.br