[tahoe-lafs-trac-stream] [tahoe-lafs] #1729: memory leak in allmydata.test.test_web

[tahoe-lafs]

#1729: memory leak in allmydata.test.test_web
-------------------------+---------------------------
 Reporter:  zooko        |          Owner:
     Type:  defect       |         Status:  new
 Priority:  normal       |      Milestone:  undecided
Component:  code         |        Version:  1.9.1
 Keywords:  test memory  |  Launchpad Bug:
-------------------------+---------------------------
 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 at 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

 }}}

-- 
Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/1729>
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