id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	launchpad_bug
2342	Too many open files	zooko		"I'm working with a client company that says they have hundreds of thousands of people inconvenienced by their Tahoe-LAFS installation failing. Initial investigation reveals this in the twistd.log of their gateway node:

{{{
2014-11-20 13:33:36+0530 [HTTPChannel,143180,192.168.51.230] Unhandled Error
        Traceback (most recent call last):
          File ""/data/allmydata-tahoe-1.10.0/support/lib/python2.6/site-packages/Twisted-13.0.0-py2.6-linux-x86_64.egg/twisted/python/log.py"", line 88, in cal
lWithLogger
            
          File ""/data/allmydata-tahoe-1.10.0/support/lib/python2.6/site-packages/Twisted-13.0.0-py2.6-linux-x86_64.egg/twisted/python/log.py"", line 73, in cal
lWithContext
            
          File ""/data/allmydata-tahoe-1.10.0/support/lib/python2.6/site-packages/Twisted-13.0.0-py2.6-linux-x86_64.egg/twisted/python/context.py"", line 118, i
n callWithContext
            
          File ""/data/allmydata-tahoe-1.10.0/support/lib/python2.6/site-packages/Twisted-13.0.0-py2.6-linux-x86_64.egg/twisted/python/context.py"", line 81, in
 callWithContext
            
        --- <exception caught here> ---
          File ""/data/allmydata-tahoe-1.10.0/support/lib/python2.6/site-packages/Twisted-13.0.0-py2.6-linux-x86_64.egg/twisted/internet/posixbase.py"", line 61
4, in _doReadOrWrite
            
          File ""/data/allmydata-tahoe-1.10.0/support/lib/python2.6/site-packages/Twisted-13.0.0-py2.6-linux-x86_64.egg/twisted/internet/tcp.py"", line 215, in 
doRead
            
          File ""/data/allmydata-tahoe-1.10.0/support/lib/python2.6/site-packages/Twisted-13.0.0-py2.6-linux-x86_64.egg/twisted/internet/tcp.py"", line 221, in 
_dataReceived
            
          File ""/data/allmydata-tahoe-1.10.0/support/lib/python2.6/site-packages/Twisted-13.0.0-py2.6-linux-x86_64.egg/twisted/protocols/basic.py"", line 581, 
in dataReceived
            
          File ""/data/allmydata-tahoe-1.10.0/support/lib/python2.6/site-packages/Twisted-13.0.0-py2.6-linux-x86_64.egg/twisted/web/http.py"", line 1609, in lin
eReceived
            
HeadersReceived

          File ""/data/allmydata-tahoe-1.10.0/support/lib/python2.6/site-packages/Twisted-13.0.0-py2.6-linux-x86_64.egg/twisted/web/http.py"", line 694, in gotLength

          File ""/usr/lib64/python2.6/tempfile.py"", line 475, in TemporaryFile

          File ""/usr/lib64/python2.6/tempfile.py"", line 228, in _mkstemp_inner

        exceptions.OSError: [Errno 24] Too many open files: '/GFS2_tahoe/.tahoe-filestore1/tmp/tmpmKDgf6'

}}}"	defect	new	normal	undecided	code	1.10.0