[ZODB-Dev] more lockup information / zope2.9.6+zodb 3.6.2

Jim Fulton jim at zope.com
Tue Apr 10 15:14:09 EDT 2007


On Apr 10, 2007, at 2:19 PM, Alan Runyan wrote:
...
> For Jim: We did not adjust the transaction timeout.  Would that have
> helped in the case of READ's?

Possibly, I'm not sure and I don't have time now to dig.  It might be  
worth trying, however:

> The customer was posting content throughout the slashdot.  The problem
> was that when the clients would update they would end up through 500s
>
> I am seeing something *very* strange in zeo.log:
> 2007-04-10T12:20:53 ERROR ZEO.zrpc.Connection(S)  
> (172.16.235.120:49351) Erro
> r caught in asyncore
> Traceback (most recent call last):
>  File "/usr/local/python-2.4.4/lib/python2.4/asyncore.py", line 69,  
> in read
>    obj.handle_read_event()
>  File "/usr/local/python-2.4.4/lib/python2.4/asyncore.py", line  
> 391, in han
> dle_read_event
>    self.handle_read()
>  File "/usr/local/zope/lib/python/ZEO/zrpc/smac.py", line 147, in  
> handle_re
> ad
>    d = self.recv(8192)
>  File "/usr/local/python-2.4.4/lib/python2.4/asyncore.py", line  
> 343, in rec
> v
>    data = self.socket.recv(buffer_size)
> error: (113, 'No route to host')
>
>
> but several more of these:
> 2007-04-10T13:55:36 ERROR ZEO.zrpc.Connection(S)  
> (172.16.235.119:44322) Erro
> r caught in asyncore
> Traceback (most recent call last):
>  File "/usr/local/python-2.4.4/lib/python2.4/asyncore.py", line 69,  
> in read
>    obj.handle_read_event()
>  File "/usr/local/python-2.4.4/lib/python2.4/asyncore.py", line  
> 391, in han
> dle_read_event
>    self.handle_read()
>  File "/usr/local/zope/lib/python/ZEO/zrpc/smac.py", line 147, in  
> handle_re
> ad
>    d = self.recv(8192)
>  File "/usr/local/python-2.4.4/lib/python2.4/asyncore.py", line  
> 343, in rec
> v
>    data = self.socket.recv(buffer_size)
> error: (110, 'Connection timed out')
> ------

Obviously, both of these are very suspicious.

Jim

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Jim Fulton			mailto:jim at zope.com		Python Powered!
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