[tahoe-lafs-trac-stream] [tahoe-lafs] #1395: error doing a check --verify on files bigger than 1Gb on win32

tahoe-lafs trac at tahoe-lafs.org
Thu May 5 13:02:27 PDT 2011


#1395: error doing a check --verify on files bigger than 1Gb on win32
----------------------+---------------------------
 Reporter:  sickness  |          Owner:  nobody
     Type:  defect    |         Status:  new
 Priority:  minor     |      Milestone:  undecided
Component:  unknown   |        Version:  1.8.2
 Keywords:            |  Launchpad Bug:
----------------------+---------------------------
 on a grid with 10 storage nodes, all on win32, and a gateway/client on
 win32, with all the nodes up and all the shares ok, I can download all the
 files ok, and check all of them ok.
 only thing that doesn't work is check --verify of files bigger than 1Gb

 here's the error log of the gateway, and after it of a storage node:

 ######################################################################

 2011-05-05 20:33:34+0200 [HTTPChannel,42,10.100.9.71] [Failure instance:
 Traceback: <type 'exceptions.IOError'>: [Errno 22] invalid mode ('wb') or
 filename: u'C:\\tahoeclient\\logs\\incidents\\incident-2011-05-05--18:33
 :34Z-w2qn32q.flog'
 2011-05-05 20:33:34+0200 [HTTPChannel,42,10.100.9.71] c:\tahoe-
 lafs\support\Lib\site-
 packages\twisted-8.2.0-py2.6-win32.egg\twisted\internet\defer.py:106:maybeDeferred
 2011-05-05 20:33:34+0200 [HTTPChannel,42,10.100.9.71] c:\tahoe-
 lafs\src\allmydata\web\common.py:302:renderHTTP
 2011-05-05 20:33:34+0200 [HTTPChannel,42,10.100.9.71] c:\tahoe-
 lafs\src\allmydata\web\root.py:124:render_POST
 2011-05-05 20:33:34+0200 [HTTPChannel,42,10.100.9.71] c:\tahoe-
 lafs\support\Lib\site-
 packages\foolscap-0.6.1-py2.6.egg\foolscap\logging\log.py:210:msg
 2011-05-05 20:33:34+0200 [HTTPChannel,42,10.100.9.71] --- <exception
 caught here> ---
 2011-05-05 20:33:34+0200 [HTTPChannel,42,10.100.9.71] c:\tahoe-
 lafs\support\Lib\site-
 packages\foolscap-0.6.1-py2.6.egg\foolscap\logging\log.py:265:add_event
 2011-05-05 20:33:34+0200 [HTTPChannel,42,10.100.9.71] c:\tahoe-
 lafs\support\Lib\site-
 packages\foolscap-0.6.1-py2.6.egg\foolscap\logging\incident.py:35:event
 2011-05-05 20:33:34+0200 [HTTPChannel,42,10.100.9.71] c:\tahoe-
 lafs\support\Lib\site-
 packages\foolscap-0.6.1-py2.6.egg\foolscap\logging\log.py:278:declare_incident
 2011-05-05 20:33:34+0200 [HTTPChannel,42,10.100.9.71] c:\tahoe-
 lafs\support\Lib\site-
 packages\foolscap-0.6.1-py2.6.egg\foolscap\logging\incident.py:85:incident_declared
 2011-05-05 20:33:34+0200 [HTTPChannel,42,10.100.9.71] ]
 2011-05-05 20:42:33+0200 [HTTPChannel,43,10.100.9.71] Unhandled Error
         Traceback (most recent call last):
           File "c:\tahoe-lafs\support\Lib\site-
 packages\nevow-0.10.0-py2.6.egg\nevow\rend.py", line 569, in _renderHTTP
             return self.flattenFactory(doc, ctx, writer, finisher)
           File "c:\tahoe-lafs\support\Lib\site-
 packages\nevow-0.10.0-py2.6.egg\nevow\rend.py", line 528, in <lambda>
             flattenFactory = lambda self, *args:
 flat.flattenFactory(*args)
           File "c:\tahoe-lafs\support\Lib\site-
 packages\nevow-0.10.0-py2.6.egg\nevow\flat\__init__.py", line 14, in
 flattenFactory
             return deferflatten(stan, ctx, writer).addCallback(finisher)
           File "c:\tahoe-lafs\support\Lib\site-
 packages\nevow-0.10.0-py2.6.egg\nevow\flat\twist.py", line 63, in
 deferflatten
             _drive(iterable, finished)
         --- <exception caught here> ---
           File "c:\tahoe-lafs\support\Lib\site-
 packages\nevow-0.10.0-py2.6.egg\nevow\flat\twist.py", line 24, in _drive
             next = iterable.next()
           File "c:\tahoe-lafs\support\Lib\site-
 packages\nevow-0.10.0-py2.6.egg\nevow\flat\ten.py", line 85, in
 iterflatten
             straccum.append(item)
         exceptions.MemoryError:

 ######################################################################

 now for the storage log:

 ######################################################################

 2011-05-05 20:29:01+0200 [Negotiation,8,10.100.26.102] Unhandled Error
         Traceback (most recent call last):
           File "c:\tahoe-lafs\support\Lib\site-
 packages\twisted-8.2.0-py2.6-win32.egg\twisted\python\log.py", line 84, in
 callWithLogger
             return callWithContext({"system": lp}, func, *args, **kw)
           File "c:\tahoe-lafs\support\Lib\site-
 packages\twisted-8.2.0-py2.6-win32.egg\twisted\python\log.py", line 69, in
 callWithContext
             return context.call({ILogContext: newCtx}, func, *args, **kw)
           File "c:\tahoe-lafs\support\Lib\site-
 packages\twisted-8.2.0-py2.6-win32.egg\twisted\python\context.py", line
 59, in callWithContext
             return self.currentContext().callWithContext(ctx, func, *args,
 **kw)
           File "c:\tahoe-lafs\support\Lib\site-
 packages\twisted-8.2.0-py2.6-win32.egg\twisted\python\context.py", line
 37, in callWithContext
             return func(*args,**kw)
         --- <exception caught here> ---
           File "c:\tahoe-lafs\support\Lib\site-
 packages\twisted-8.2.0-py2.6-win32.egg\twisted\internet\selectreactor.py",
 line 146, in _doReadOrWrite
             why = getattr(selectable, method)()
           File "c:\tahoe-lafs\support\Lib\site-
 packages\twisted-8.2.0-py2.6-win32.egg\twisted\internet\tcp.py", line 180,
 in doWrite
             return Connection.doWrite(self)
           File "c:\tahoe-lafs\support\Lib\site-
 packages\twisted-8.2.0-py2.6-win32.egg\twisted\internet\tcp.py", line 431,
 in doWrite
             result = abstract.FileDescriptor.doWrite(self)
           File "c:\tahoe-lafs\support\Lib\site-
 packages\twisted-8.2.0-py2.6-win32.egg\twisted\internet\abstract.py", line
 101, in doWrite
             self.dataBuffer = buffer(self.dataBuffer, self.offset) +
 "".join(self._tempDataBuffer)
         exceptions.MemoryError:

 the gateway/client process quickly grow over 1,5Gbyte in ram, then it
 shrunk to 180mb, the storage process grow to 300Mb and stayed there

-- 
Ticket URL: <http://tahoe-lafs.org/trac/tahoe-lafs/ticket/1395>
tahoe-lafs <http://tahoe-lafs.org>
secure decentralized storage


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