id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	launchpad_bug
1729	memory leak in allmydata.test.test_web	zooko	Brian Warner <warner@…>	"Running {{{allmydata.test.test_web}}} with {{{--until-failure}}} results in memory usage increasing until it fails when a subprocess can't be created:

{{{
time  ./bin/tahoe @trial --rterror --until-failure allmydata.test.test_web
}}}
…
{{{
    test_welcome_page_mkdir_button ...                                     [OK]

-------------------------------------------------------------------------------
Ran 243 tests in 22.676s

PASSED (successes=243)
Test Pass 13
allmydata.test.test_web
  Grid
    test_add_lease ...                                                     [OK]
    test_blacklist ...                                                     [OK]
    test_deep_add_lease ...                                                [OK]
    test_deep_check ...                                                    [OK]
    test_deep_check_and_repair ...                                         [OK]
    test_exceptions ...                                                    [OK]
    test_filecheck ...                                                     [OK]
    test_immutable_unknown ...                                             [OK]
    test_mutant_dirnodes_are_omitted ...                                   [OK]
    test_repair_html ...                                                   [OK]
    test_repair_json ...                                                   [OK]
    test_unknown ...                                                       [OK]
  IntroducerWeb
    test_welcome ... Node._startService failed, aborting
[Failure instance: Traceback: <type 'exceptions.OSError'>: [Errno 12] Cannot allocate memory
/usr/lib/python2.7/threading.py:524:__bootstrap
/usr/lib/python2.7/threading.py:551:__bootstrap_inner
/usr/lib/python2.7/threading.py:504:run
--- <exception caught here> ---
/home/zooko/playground/twisted/twisted/twisted/python/threadpool.py:167:_worker
/home/zooko/playground/twisted/twisted/twisted/python/context.py:118:callWithContext
/home/zooko/playground/twisted/twisted/twisted/python/context.py:81:callWithContext
/home/zooko/playground/tahoe-lafs/dw/src/allmydata/util/iputil.py:224:_synchronously_find_addresses_via_config
/home/zooko/playground/tahoe-lafs/dw/src/allmydata/util/iputil.py:238:_query
/usr/lib/python2.7/subprocess.py:679:__init__
/usr/lib/python2.7/subprocess.py:1143:_execute_child
]
calling os.abort()

real    4m41.030s
user    4m20.853s
sys     0m13.239s
}}}

This is on my Macbook Pro running Ubuntu 12.04. Tahoe is current (darcs) trunk:

{{{
$ darcs pull
Pulling from ""zooko@tahoe-lafs.org:/home/source/darcs/tahoe-lafs/trunk""...
No remote changes to pull in!
$ python setup.py update_version
running update_version
darcsver: wrote '1.9.0-r5493' into src/allmydata/_version.py
$ ./bin/tahoe --version
allmydata-tahoe: 1.9.0-r5493,
foolscap: 0.6.3.post0,
pycryptopp: 0.6.0.1206569328141510525648634803928199668821045408958,
zfec: 1.4.24,
Twisted: 10.1.0,
Nevow: 0.10.0,
zope.interface: unknown,
python: 2.7.3,
platform: Linux-Ubuntu_12.04-x86_64-64bit_ELF,
pyOpenSSL: 0.12,
simplejson: 2.3.2,
pycrypto: 2.4.1,
pyasn1: unknown,
mock: 0.8.0beta3,
sqlite3: 2.6.0 [sqlite 3.7.9],
setuptools: 0.6c16dev3

}}}"	defect	closed	normal	1.9.2	code	1.9.1	fixed	test memory