I'm pretty confident that the db component (the C layer) doesn't have
any GIL problems. However, the DA component (the Zope layer) *may*
have all sorts of unusual failure modes.
Debugging transaction concurrency problems is always tricky, but keep
in mind there are Python layer abstraction
Michael Mauws wrote:
Thanks yet again, Dieter, particularly for putting to rest a few of
the "solutions" I found while poking around. As you might expect, I've
been continuing to explore this problem and, at the moment, I'm
zeroing in on rollback segments. If this is indeed the problem, it
would
Thanks yet again, Dieter, particularly for putting to rest a few of
the "solutions" I found while poking around. As you might expect, I've
been continuing to explore this problem and, at the moment, I'm
zeroing in on rollback segments. If this is indeed the problem, it
would fit well with what you
Please always stay on the list!
Michael Mauws wrote at 2006-5-2 14:39 -0600:
> ...
>In light of the above, I don't think it's a GIL problem (without
>having a clue what a GIL actually is)
This is the "Global Interpreter Lock". It prevents more than
a single thread to run Python code at the same t
Michael Mauws wrote at 2006-5-1 19:02 -0600:
> ...
>However, the problem I'm having is that it's not just the
>"update request" that hangs. Rather, it's the whole Zope that hangs
>until this one request has been satisfied.
Even Zope requests that have nothing to do with Oracle?
This would indic
Michael Mauws wrote:
For better or for worse, I can live with the situation I've just
described. However, the problem I'm having is that it's not just the
"update request" that hangs. Rather, it's the whole Zope that hangs
until this one request has been satisfied.
Are you _sure_ your other req
I've built a rather complex OLTP application using Apache, Zope, and
Oracle (with DCOracle2 linking the latter two). I occasionally perform
lengthy database updates in the background and, during that time,
someone inevitably requests a page that updates a record that has been
locked by the backgro
