[Dieter Maurer]
> ...
> I think, Tim wanted to implement such a keep alive mechanism
> inside "ClientStorage" (to reliably detect disconnects) but
> in ZODB 3.4 it seems not yet available.
Right on all counts: I would like to add that, because it's currently
possible for ZEO to run "forever" with
On Wed, Nov 30, 2005 at 08:40:34PM +0100, Dieter Maurer wrote:
> Florent Guillaume wrote at 2005-11-30 01:51 +0100:
> > ... sending keepalive messages to ZEO ...
>
> >Why not use the max-disconnect-poll option of the zeoclient section in
> >zope.conf ?
>
> Our solution is quite old. At that time
Florent Guillaume wrote at 2005-11-30 01:51 +0100:
> ... sending keepalive messages to ZEO ...
>Why not use the max-disconnect-poll option of the zeoclient section in
>zope.conf ?
Our solution is quite old. At that time, there was definitely no
"max-disconnect-poll" yet.
In addition, "max-disco
Dieter Maurer wrote:
Paul Winkler wrote at 2005-11-28 15:37 -0500:
...
We had to implement a keep alive mechanism to prevent our firewall
from behaving in this nasty way.
OK. Can you give a high-level summary of what you did? I thought of
using heartbeat to detect loss of connection, but I
I have not seen any of the threading error exceptions--but then the patch
catches them in the ZMySQLDA adaptor and punts...
On Sun, 27 Nov 2005, Chris McDonough wrote:
> Does this mean that you haven't seen the errors since installing
> Andy's patch? If not, I'd declare victory and forget ab
Does this mean that you haven't seen the errors since installing
Andy's patch? If not, I'd declare victory and forget about using the
deadlock debugger (unless you want to do it for learning purposes only).
On Nov 27, 2005, at 8:46 PM, Dennis Allison wrote:
Just went throught that exercis
Just went throught that exercise with Andy and installed a patch to
MySQLDA that effectively ignores the 'release unlocked lock' problem that
has been plaguing us. I shoulda guessed that is the first place to look.
I'll get and install the DeadlockDebugger forthwith.
Thanks.
On Mon, 28 Nov
Dennis Allison wrote:
We have two recent instances in our production sites where Zope suddenly
stops responding. It is not a new problem, but we've now been confronted
with two clean examples and nothing to blame them on. The problem appears
to be independent of load as both incidents were on l
