My mail reader didn't show the whole thread, and I missed all this
followup when first posting... anyway...
On Thu, 2003-08-07 at 08:10, Thomas E Jenkins wrote:
> For what it's worth I've had the same problems. It always follows my
> other problem, MySQL throwing (2013, 'Lost connection to MySQL server
> during query'). I get the sames symptoms with the webkit still
> listening but not responding. I have been unable to reproduce this
> problem reliably, it does happen about once a day.
It seems like databases are at the core of this. Maybe from a
combination of the C module and the sockets.
Obviously this sort of thing isn't happening this often in Zope -- it
has stalled thread issues, but they don't seem to be occurring as
consistently. I wonder if there's something we should learn from that.
A brief perusal through the code isn't enlightening me, though...
For instance, in ZMySQLDA.db.DB.query() it just does something like:
...
try:
...do the query...
except OperationalError, m
if m[0] in (MySQLdb.constants.CR.SERVER_GONE_ERROR,
MySQLdb.constants.CR.SERVER_LOST):
self.query(...)
I.e., it does a retry at that point. I dunno... I was hoping for deeper
magic somewhere, though, but I don't feel like I'm finding it.
Ian
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