Their is no grantee that python will use that exact same memory. It would also depend how frequently you use that function.
http://mg.pov.lt/blog/hunting-python-memleaks.html On Thu, May 10, 2012 at 12:57 AM, szimszon <szims...@gmail.com> wrote: > If I understand well then python release the mem. for reuse by itself but > not releasing at OS level. Fine. > > But then if I rerun the function I'll expect that the mem allocated for > python is not growing. Because python reuse it. > > I executed the controller function and my mem usage at OS level 2x as > after first run. It sounds not right. > > 2012. május 10., csütörtök 9:41:31 UTC+2 időpontban Bruce Wade a > következőt írta: > >> http://effbot.org/pyfaq/why-**doesnt-python-release-the-** >> memory-when-i-delete-a-large-**object.htm<http://effbot.org/pyfaq/why-doesnt-python-release-the-memory-when-i-delete-a-large-object.htm> >> >> That is a little more details >> >> On Thu, May 10, 2012 at 12:37 AM, szimszon <szims...@gmail.com> wrote: >> >>> Should the garbage collector not free up the memory? >>> >>> 2012. május 10., csütörtök 9:28:48 UTC+2 időpontban Bruce Wade a >>> következőt írta: >>> >>>> That is how python is. If you want something to clear the memory as >>>> soon as you are done with it you need C++ :D >>>> >>>> On Thu, May 10, 2012 at 12:27 AM, szimszon <szims...@gmail.com> wrote: >>>> >>>>> Yes I know but it happens over type the mem usage is linearly growing >>>>> and after the successful execution never released and that is why I ask :( >>>>> >>>>> 2012. május 10., csütörtök 9:14:14 UTC+2 időpontban Bruce Wade a >>>>> következőt írta: >>>>> >>>>>> WOW not a good idea: >>>>>> for row in db( db.file_**propert****ies.id > 0 ).select( >>>>>> >>>>>> If you have a lot of records that is going to kill your memory. >>>>>> >>>>>> On Thu, May 10, 2012 at 12:10 AM, szimszon <szims...@gmail.com>wrote: >>>>>> >>>>>>> I wonder if somebody could help me. >>>>>>> >>>>>>> The following code has eaten up ~1,5GB ram and after ended >>>>>>> successfully it is not released :( >>>>>>> >>>>>>> file_properties table has 137314 rows. >>>>>>> >>>>>>> Model: >>>>>>> db.define_table( 'files_store', >>>>>>> Field( 'name', 'string', >>>>>>> label = 'Fájlnév' , >>>>>>> ), >>>>>>> Field( 'content', 'upload', >>>>>>> uploadseparate = True, >>>>>>> autodelete = True, >>>>>>> label = 'Aláírt fájl', >>>>>>> ), >>>>>>> Field( 'status', 'string', >>>>>>> label = 'Állapot', >>>>>>> requires = IS_IN_SET( [ >>>>>>> 'empty', 'notsigned', 'senttosign', 'signed'], >>>>>>> >>>>>>> [ 'Üres', 'Aláiratlan', 'Aláírásra elküldve', >>>>>>> 'Aláírt'] ), >>>>>>> represent = lambda r,row >>>>>>> :T( r ) >>>>>>> ), >>>>>>> Field( 'state', 'string', >>>>>>> label = 'Státusz', >>>>>>> requires = IS_IN_SET( [ >>>>>>> 'ok', 'error'], >>>>>>> >>>>>>> [ 'Rendben', 'Hiba'] ), >>>>>>> represent = lambda r,row >>>>>>> :T( r ) >>>>>>> ), >>>>>>> Field( 'data_count', 'integer', >>>>>>> label = 'Adat >>>>>>> bejegyzések', >>>>>>> requires = IS_NOT_EMPTY >>>>>>> (), >>>>>>> default = 0, >>>>>>> ), >>>>>>> Field( 'dirname', 'string', >>>>>>> label = 'Könyvtár név' , >>>>>>> requires = IS_NOT_EMPTY >>>>>>> (), >>>>>>> ), >>>>>>> Field( 'md5sum', 'string', >>>>>>> label = T( 'MD5 Sum' ), >>>>>>> represent = lambdamd5sum >>>>>>> , junk: '[%s]' % md5sum, >>>>>>> writable = False ), >>>>>>> auth.signature, >>>>>>> format = '%(dirname)s/%(name)s (%(id)s)' >>>>>>> ) >>>>>>> db.files_store.created_on.read******able = True >>>>>>> db.define_table( 'file_properties', >>>>>>> Field( 'files_store_id', db. >>>>>>> files_store, >>>>>>> label = 'Aláírt fájl' , >>>>>>> ), >>>>>>> Field( 'kezdo_oldal', 'integer', >>>>>>> label = 'Számla kezdő >>>>>>> oldal', >>>>>>> requires = IS_NOT_EMPTY >>>>>>> (), >>>>>>> ), >>>>>>> Field( 'oldalszam', 'integer', >>>>>>> label = 'Számla >>>>>>> oldalainak száma', >>>>>>> requires = IS_NOT_EMPTY >>>>>>> (), >>>>>>> ), >>>>>>> Field( 'szamla_sorszama', 'string', >>>>>>> label = 'Számla >>>>>>> sorszáma', >>>>>>> #requires = >>>>>>> IS_NOT_IN_DB( db, 'file_properties' ), >>>>>>> unique = True, >>>>>>> ), >>>>>>> Field( 'ugyfel_azonosito', 'string', >>>>>>> label = 'Ügyfél >>>>>>> azonosító', >>>>>>> requires = IS_NOT_EMPTY >>>>>>> (), >>>>>>> ), >>>>>>> Field( 'folyoszamla_azonosito', >>>>>>> 'string', >>>>>>> label = 'Folyószámla >>>>>>> azonosító', >>>>>>> requires = IS_NOT_EMPTY >>>>>>> (), >>>>>>> ), >>>>>>> Field( 'teljesites_idopontja', >>>>>>> 'date', >>>>>>> label = 'Teljesítés >>>>>>> időpontja', >>>>>>> requires = IS_DATE( >>>>>>> '%Y.%m.%d.' ) ), >>>>>>> auth.signature, >>>>>>> ), >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> Controller: >>>>>>> >>>>>>> def autoadjust(): >>>>>>> lista = list() >>>>>>> last_row = None >>>>>>> next_page_number = 0 >>>>>>> for row in db( db.file_properties.id > 0 ).select( >>>>>>> >>>>>>> orderby = ( db.file_properties.files_**store >>>>>>> ****_id, >>>>>>> >>>>>>> db.file_properties.id ) >>>>>>> >>>>>>> ): >>>>>>> if last_row: >>>>>>> if last_row.files_store_id == row.files_store_id: >>>>>>> if next_page_number > row.kezdo_oldal: >>>>>>> row.update_record( kezdo_oldal =next_page_number >>>>>>> ) >>>>>>> >>>>>>> else: >>>>>>> last_row = row >>>>>>> else: >>>>>>> last_row = row >>>>>>> next_page_number = row.kezdo_oldal + row.oldalszam >>>>>>> >>>>>>> lista.append( TR( >>>>>>> TD( row.id ), >>>>>>> TD( row.files_store_id.name >>>>>>> ), >>>>>>> TD( row.kezdo_oldal ), >>>>>>> TD( row.oldalszam ) >>>>>>> ) ) >>>>>>> lista = TABLE( *lista ) >>>>>>> return dict( lista = lista ) >>>>>>> >>>>>>> >>>>>>> View: >>>>>>> {{extend 'layout.html'}} >>>>>>> {{block statusbar}} >>>>>>> <h4>Admin felület</h4> >>>>>>> {{end}} >>>>>>> >>>>>>> <h2>AdjustPage</h2> >>>>>>> >>>>>>> {{=lista}} >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> -- >>>>>> Regards, >>>>>> Bruce Wade >>>>>> http://ca.linkedin.com/in/**bruc****elwade<http://ca.linkedin.com/in/brucelwade> >>>>>> http://www.wadecybertech.com >>>>>> http://www.fittraineronline.**co****m<http://www.fittraineronline.com>- >>>>>> Fitness Personal Trainers Online >>>>>> http://www.warplydesigned.com >>>>>> >>>>>> >>>> >>>> >>>> -- >>>> -- >>>> Regards, >>>> Bruce Wade >>>> http://ca.linkedin.com/in/**bruc**elwade<http://ca.linkedin.com/in/brucelwade> >>>> http://www.wadecybertech.com >>>> http://www.fittraineronline.**co**m <http://www.fittraineronline.com>- >>>> Fitness Personal Trainers Online >>>> http://www.warplydesigned.com >>>> >>>> >> >> >> -- >> -- >> Regards, >> Bruce Wade >> http://ca.linkedin.com/in/**brucelwade<http://ca.linkedin.com/in/brucelwade> >> http://www.wadecybertech.com >> http://www.fittraineronline.**com <http://www.fittraineronline.com> - >> Fitness Personal Trainers Online >> http://www.warplydesigned.com >> >> -- -- Regards, Bruce Wade http://ca.linkedin.com/in/brucelwade http://www.wadecybertech.com http://www.fittraineronline.com - Fitness Personal Trainers Online http://www.warplydesigned.com
