Dear,
I am so sorry for sending email again. Memory error means out of RAM
problem. However, the specification of my machine is core i7-7th
generation, 16 GB RAM with ubuntu-mate(32 bit) version. Can it be related
with 32 bit version.
Best Regards,
Soe Ye Htet
On Sat, Sep 8, 2018 at 7:50 PM Soe Ye Htet <soeyehtet1...@gmail.com> wrote:
> Dear RYU Team,
>
> I think the the out of memory message is occured due to a lot of packet-in
> message is generated from Switch to Controller. This is because my current
> focusing is about the dynamic routing which need to be changed by the RYU
> controller. Currently, my setting is generating the packet-in message from
> OF Switch without buffer ID. I think that is main cause of memory problem
> in RYU controller. Is my guess wrong? When I see the main root cause, i
> will share in this group so that next person can avoid the similar problem.
>
> Best Regards,
> Soe Ye Htet
>
>
> On Tue, Sep 4, 2018 at 8:58 PM Soe Ye Htet <soeyehtet1...@gmail.com>
> wrote:
>
>> Dear RYU Team,
>>
>> I have faced the memory error in running RYU application. I try to fix
>> this but it was not successful. My error statement as per attached log.
>>
>> gateway1@gateway1:~/Desktop/ryu-master(Edited)/ryu/app$ ryu-manager
>> finalrerouting.py
>> loading app finalrerouting.py
>> loading app ryu.topology.switches
>> loading app ryu.controller.ofp_handler
>> instantiating app finalrerouting.py of node_failure
>> instantiating app ryu.topology.switches of Switches
>> instantiating app ryu.controller.ofp_handler of OFPHandler
>> Switch_ID 1152921504606846979 (IP address ('10.0.0.3', 54266)) is
>> connected
>> Current_Connected_Switch {1152921504606846979L: ('10.0.0.3', 54266)}
>> Switch_ID 1152921504606846980 (IP address ('10.0.0.4', 39202)) is
>> connected
>> Current_Connected_Switch {1152921504606846979L: ('10.0.0.3', 54266),
>> 1152921504606846980L: ('10.0.0.4', 39202)}
>> Switch_ID 1152921504606846981 (IP address ('10.0.0.5', 35620)) is
>> connected
>> Current_Connected_Switch {1152921504606846979L: ('10.0.0.3', 54266),
>> 1152921504606846980L: ('10.0.0.4', 39202), 1152921504606846981L:
>> ('10.0.0.5', 35620)}
>> Switch_ID 1152921504606846985 (IP address ('10.0.0.9', 34164)) is
>> connected
>> Current_Connected_Switch {1152921504606846985L: ('10.0.0.9', 34164),
>> 1152921504606846979L: ('10.0.0.3', 54266), 1152921504606846980L:
>> ('10.0.0.4', 39202), 1152921504606846981L: ('10.0.0.5', 35620)}
>> Switch_ID 1152921504606846978 (IP address ('10.0.0.2', 33202)) is
>> connected
>> Current_Connected_Switch {1152921504606846985L: ('10.0.0.9', 34164),
>> 1152921504606846978L: ('10.0.0.2', 33202), 1152921504606846979L:
>> ('10.0.0.3', 54266), 1152921504606846980L: ('10.0.0.4', 39202),
>> 1152921504606846981L: ('10.0.0.5', 35620)}
>> Switch_ID 255421810004811 (IP address ('10.0.0.8', 59836)) is connected
>> Current_Connected_Switch {1152921504606846978L: ('10.0.0.2', 33202),
>> 1152921504606846979L: ('10.0.0.3', 54266), 1152921504606846980L:
>> ('10.0.0.4', 39202), 1152921504606846981L: ('10.0.0.5', 35620),
>> 1152921504606846985L: ('10.0.0.9', 34164), 255421810004811L: ('10.0.0.8',
>> 59836)}
>> Switch_ID 1152921504606846982 (IP address ('10.0.0.6', 52652)) is
>> connected
>> Current_Connected_Switch {1152921504606846978L: ('10.0.0.2', 33202),
>> 1152921504606846979L: ('10.0.0.3', 54266), 1152921504606846980L:
>> ('10.0.0.4', 39202), 1152921504606846981L: ('10.0.0.5', 35620),
>> 1152921504606846982L: ('10.0.0.6', 52652), 1152921504606846985L:
>> ('10.0.0.9', 34164), 255421810004811L: ('10.0.0.8', 59836)}
>> Switch_ID 1152921504606846977 (IP address ('10.0.0.1', 35032)) is
>> connected
>> Current_Connected_Switch {1152921504606846977L: ('10.0.0.1', 35032),
>> 1152921504606846978L: ('10.0.0.2', 33202), 1152921504606846979L:
>> ('10.0.0.3', 54266), 1152921504606846980L: ('10.0.0.4', 39202),
>> 1152921504606846981L: ('10.0.0.5', 35620), 1152921504606846982L:
>> ('10.0.0.6', 52652), 1152921504606846985L: ('10.0.0.9', 34164),
>> 255421810004811L: ('10.0.0.8', 59836)}
>> Traceback (most recent call last):
>> File "/usr/lib/python2.7/logging/__init__.py", line 861, in emit
>> File "/usr/lib/python2.7/logging/__init__.py", line 734, in format
>> File "/usr/lib/python2.7/logging/__init__.py", line 481, in format
>> File "/usr/lib/python2.7/logging/__init__.py", line 439, in
>> formatException
>> File "/usr/lib/python2.7/traceback.py", line 125, in print_exception
>> File "/usr/lib/python2.7/traceback.py", line 67, in print_tb
>> File "/usr/lib/python2.7/traceback.py", line 13, in _print
>> MemoryError: out of memory
>> Logged from file app_manager.py, line 299
>> Error in the datapath 1000000000000002 from ('10.0.0.2', 33202)
>> Traceback (most recent call last):
>> File "/usr/local/lib/python2.7/dist-packages/eventlet/hubs/hub.py",
>> line 457, in fire_timers
>> File "/usr/local/lib/python2.7/dist-packages/eventlet/hubs/timer.py",
>> line 58, in __call__
>> cb(*args, **kw)
>> File
>> "/usr/local/lib/python2.7/dist-packages/eventlet/hubs/__init__.py", line
>> 154, in _timeout
>> current.throw(exc)
>> File "/usr/local/lib/python2.7/dist-packages/eventlet/greenthread.py",
>> line 214, in main
>> result = function(*args, **kwargs)
>> File "/usr/local/lib/python2.7/dist-packages/ryu/lib/hub.py", line 69,
>> in _launch
>> File "/usr/lib/python2.7/traceback.py", line 242, in format_exc
>> return ''.join(format_exception(etype, value, tb, limit))
>> File "/usr/lib/python2.7/traceback.py", line 141, in format_exception
>> list = list + format_tb(tb, limit)
>> File "/usr/lib/python2.7/traceback.py", line 76, in format_tb
>> return format_list(extract_tb(tb, limit))
>> File "/usr/lib/python2.7/traceback.py", line 100, in extract_tb
>> linecache.checkcache(filename)
>> File "/usr/lib/python2.7/linecache.py", line 64, in checkcache
>> stat = os.stat(fullname)
>> MemoryError
>> Error in the datapath 1000000000000005 from ('10.0.0.5', 35620)
>> hub: uncaught exception: Traceback (most recent call last):
>> File "/usr/local/lib/python2.7/dist-packages/ryu/lib/hub.py", line 59,
>> in _launch
>> return func(*args, **kwargs)
>> File
>> "/usr/local/lib/python2.7/dist-packages/ryu/controller/controller.py", line
>> 536, in datapath_connection_factory
>> File
>> "/usr/local/lib/python2.7/dist-packages/ryu/controller/controller.py", line
>> 456, in serve
>> hub.kill(send_thr)
>> File "/usr/local/lib/python2.7/dist-packages/ryu/lib/hub.py", line 95,
>> in kill
>> thread.kill()
>> File "/usr/local/lib/python2.7/dist-packages/eventlet/greenthread.py",
>> line 240, in kill
>> File "/usr/local/lib/python2.7/dist-packages/eventlet/greenthread.py",
>> line 294, in kill
>> g.throw(*throw_args)
>> MemoryError
>>
>> Traceback (most recent call last):
>> File "/usr/local/bin/ryu-manager", line 9, in <module>
>> load_entry_point('ryu==4.26', 'console_scripts', 'ryu-manager')()
>> File "/usr/local/lib/python2.7/dist-packages/ryu/cmd/manager.py", line
>> 114, in main
>> app_mgr.close()
>> File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py",
>> line 549, in close
>> self.uninstantiate(app_name)
>> File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py",
>> line 533, in uninstantiate
>> app.stop()
>> File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py",
>> line 185, in stop
>> hub.joinall(self.threads)
>> File "/usr/local/lib/python2.7/dist-packages/ryu/lib/hub.py", line 102,
>> in joinall
>> t.wait()
>> File "/usr/local/lib/python2.7/dist-packages/eventlet/greenthread.py",
>> line 175, in wait
>> return self._exit_event.wait()
>> File "/usr/local/lib/python2.7/dist-packages/eventlet/event.py", line
>> 121, in wait
>> return hubs.get_hub().switch()
>> File "/usr/local/lib/python2.7/dist-packages/eventlet/hubs/hub.py",
>> line 294, in switch
>> return self.greenlet.switch()
>> File "/usr/local/lib/python2.7/dist-packages/eventlet/hubs/hub.py",
>> line 348, in run
>> self.wait(0)
>> File "/usr/local/lib/python2.7/dist-packages/eventlet/hubs/poll.py",
>> line 85, in wait
>> presult = self.do_poll(seconds)
>> File "/usr/local/lib/python2.7/dist-packages/eventlet/hubs/epolls.py",
>> line 62, in do_poll
>> return self.poll.poll(seconds)
>> MemoryError
>>
>>
>> Best Regards,
>> Soe Ye Htet
>>
>>
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